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The first programming language with AI reasoning built in · live now

Mohio™

moh-hee-oh  ·  Māori for "to understand"

Write code. Change the world.

The first commercially available programming language with AI reasoning built in - generation, connection, integration, and agents, with no libraries to wire up. Reads close to plain English, runs anywhere, builds anything from a one-page site to a full-stack app.

Start building ▶  Play the live demo See what it looks like
Find us
GitHub Discord @mohiolang LinkedIn Instagram 🤗 Hugging Face
Is this for me?

If you build things, yes.

Mohio isn't only for one kind of developer. It's a full language that runs anywhere and covers any kind of app - so it meets you wherever you build.

Builders & indie devs

Ship a whole app - front, back, and database - in one language you can actually read.

Startups & SaaS

Move fast without gluing ten tools together. AI, auth, and scaffolding come standard.

Mobile, PWA & web

From a one-page site to a full app - pick your architecture and Mohio builds the bones.

Government & public sector

Accountability built in - every AI decision can carry an audit trail by default.

Education & new coders

A first language that reads like English - and a Young Pioneers track to learn it.

Regulated industries

Finance, healthcare, logistics and more - compliance in one word. See Enterprise ↗

No bolt-ons. No glue. One file.

This is a whole app. You can read every line.

If you've tried to vibe-code an app and gotten stuck because you couldn't tell what the AI actually built, this is for you.

The program below is real. It compiles and runs. No separate backend framework, no JavaScript file, no SQL, nothing bolted on. It is all Mohio. Read it once, top to bottom. Every part is labeled. The point is not that there is nothing to learn. The point is that you can read your own app and understand what it does, without being a developer.

screen.mho mohio 
sector: financial

connect db as postgres from env.DATABASE_URL

shape Transaction
    amount as number
    history as text
shape: done

listen for new sh.Transaction
    ai.decide is_fraud returns boolean
        confidence above 0.85
        weigh
            transaction.amount, transaction.history
        not confident
            give back pending "Sent to a fraud analyst for review"
    ai.decide: done

    save to db.transactions
        amount transaction.amount
        flagged is_fraud
    save: done

    give back 200 "Screened"
listen: done

listen for click on #review
    notify "Opening the review queue"
listen: done
Compliance sector: financial turns on the rules for finance, declared once. You did not wire it. It is just on.
Backend listen for new sh.Transaction is the server. A request comes in, this handles it.
The AI ai.decide is the AI, built in. When it is not sure, the not confident line sends it to a human. That fallback is required, so it can never just guess and move on.
Database save to db.transactions writes to the database. No ORM, no separate query language to learn.
Browser listen for click on #review is the front end, a button click on the page, the same listen for you already read above.

Look again: it is two listen for blocks, the same word on the server and in the browser.
The stack did not get easier to manage. It collapsed into one language.

A real, compiling program. Re-checked against the live compiler before every release.

The code
What it means
sector: financial
this app is for the financial sector
connect db as postgres from env.DATABASE_URL
connect to the database (a postgres one), using the address kept safely in env
shape Transaction
make a shape called Transaction
amount as number
it has an amount, as a number
history as text
it has a history, as text
shape: done
and that's it for the shape
listen for new sh.Transaction
listen for a new transaction to come in
ai.decide is_fraud returns boolean
have ai decide "is_fraud," which gives back a boolean (a yes or no)
confidence above 0.85
only if its confidence is above 0.85
weigh
weighing
transaction.amount, transaction.history
the transaction's amount and history
not confident
if not confident
give back pending "Sent to a fraud analyst for review"
give back a status of pending, "Sent to a fraud analyst for review"
ai.decide: done
and that's it for the ai decision
save to db.transactions
save to the transactions in the database
amount transaction.amount
the amount, from the transaction's amount
flagged is_fraud
and flagged, from is_fraud
save: done
and that's it for the save
give back 200 "Screened"
give back a 200 (all good), "Screened"
listen: done
and that's it for this listener
listen for click on #review
listen for a click on the review button
notify "Opening the review queue"
notify them, "Opening the review queue"
listen: done
and that's it

Vibe coding made it easy to say what you want. Mohio makes it easy to own what gets built.

A language you can read and control - with AI reasoning, compliance, and integration built in - so your time goes to logic and the people you're building for, not to plumbing. The scaffolding is the language's job. The idea is yours.

Pioneer Program · invite-and-apply Get in before public launch - two ways to pioneer. A track for working developers, and one for young builders 16 & under. Free, and the first-mover window is six to twelve months.
Apply for early access
Start coding

Your first program, running in about a minute.

No account. No sign-up wall. Clone it, run it, and watch a real AI decision execute with a confidence threshold and an audit trail the compiler made mandatory.

1
Clone & install
Python 3.12+, then pip install lark anthropic. That's the whole toolchain.
2
Run the fraud demo
mio run a complete sector: financial program - PCI, AML, and an ai.decide block, all live.
3
Plug in real reasoning
Add your ANTHROPIC_API_KEY and the same program calls a real model - confidence, fallback, and audit handled by the language.
4
Or skip ahead
Play the live Zork demo - a real Mohio web app running right now.
bash - mohio quickstart
$ git clone https://github.com/countart/mohio
$ cd mohio/compiler && pip install lark anthropic
 
$ mio check tests/fraud_demo.mho --security
✓ structural check passed · 10 security checks passed
 
$ export ANTHROPIC_API_KEY=sk-...
$ mio run tests/fraud_demo.mho --seed tests/seed.json --ai
[ai.decide] isFraudulent
result: true confidence: 0.95 threshold: 0.85
[ai.audit] → fraud_audit_log (immutable)
Response 422 Transaction blocked pending review
What makes it different

Everything you'd normally bolt on is already built in.

No AI library to import. No auth to wire. No boilerplate to copy. The hard parts of modern software are part of the language itself - so you spend your time on the thing you're actually building.

01

AI, built in - not bolted on

Generation, connection, integration, decisions - AI is part of the grammar, not an API you call. Write ai.decide the way you'd write a normal instruction, with confidence and a fallback handled for you. Other languages call AI. Mohio thinks in it.

02

AI agents that stay in their lane

The agentic era needs guardrails. In Mohio they're enforced by the language, not left to hope - an agent does what you authorized and stops at the boundary you set. Powerful agents, on a leash you control.

03

One line builds your whole app

Pick an architecture - a single page or a full-stack app - and Mohio scaffolds it for you. The single-page command alone sets up your sitemap, robots.txt, routing, an .htaccess, and a starter database. Literally one line of code.

04

Vibe-code it today

Drop Mohio's config into Claude Code right now and build by describing what you want - Copilot, Cursor, and Windsurf next. Because the AI works in a language with everything baked in, you get real, readable, finished code. Deploy to our platform, coming soon.

05

The no-if revolution

We retired the tangle of nested if / else. Mohio reads like a list of instructions a person would actually give - so anyone can follow the logic, and chasing down a bug doesn't mean untangling a knot.

06

Lock-blocks keep code from tangling

Every block locks shut with its own name, so you always know exactly where you are and code can't get crossed up. Clear structure you can read top to bottom - power without the mess.

Self-architecture

One line. Whole app.

Choose how you want to build - a single page or a full-stack app - and Mohio scaffolds everything you need, the way you need it. No setup checklist. No copy-pasting config from old projects.

Two architectures are live today, with more on the way. Pick one with a single command and Mohio lays down the foundation automatically - so you start on your actual idea, not the plumbing.

  • Single-page: sitemap and robots.txt (AI-crawler friendly by default)
  • Routing & a journey file so navigation just works
  • An .htaccess wired up for clean URLs
  • A starter database structure ready to grow into
  • Full-stack: a complete front-to-back skeleton, one command
bash - mohio
$ mio new myapp --single-page
✓ created sitemap.xml
✓ created robots.txt (AI crawlers welcome)
✓ created routes + journey.mho
✓ created .htaccess
✓ created database (starter schema)
 
Your app is ready. Start building.
$ mio run
This just ran

Real programs. Real AI decisions. Real audit trails.

One terminal, four programs. The language conceived sixty days ago is serving live web applications today.

Live now · zork.mohio.io

Play a text adventure built entirely in Mohio

Zork - rebuilt on the Mohio runtime. Type a command, the AI responds in real time, the world remembers where you've been. Phrase something unexpected and it tries to work out what you meant. Simple on the surface; underneath, it's the same engine that powers a fraud check or a patient intake flow.

▶  Play it now About this demo
sector: financial
Fraud detection

A $74,500 charge from an unknown device. The model returns 0.95 confidence against an 0.85 floor - blocked, audited, done.

422 · Transaction blocked
sector: healthcare
Patient intake

A clinical triage call falls below the 0.95 confidence floor the sector enforces. It routes to a human automatically - as the language required.

202 · Referred to human
sector: financial
Invoice saga

Charge a card, write the invoice, email the receipt - atomic. If any step fails, the rollback fires in reverse automatically.

201 · Order confirmed
Verified claims

Genuine firsts. Independently verified.

Every claim below was checked against publicly available language specifications and documentation. These aren't marketing positions - they're structural facts about what Mohio does that no language did before.

Verified first
First language where AI reasoning is a compiler-enforced native primitive - not a library, not an API, not a decorator
Verified first
First language where a missing AI fallback is a build error - you cannot ship without defining failure
Verified first
First language where, within a declared sector, AI decision audit trails are compiler-mandatory
Verified first
First language where sector compliance activates a full regulatory framework from a single declaration
Verified first
First language where one shape declaration is the contract for database, API, validation, and compliance at once
Verified first
First language where regulatory confidence floors are declared in the sector profile, ready for enforcement
Verified first
First language designed for domain expertise to be installable via a community shape and rule library
Verified first
First language where natural-language readability is the primary, non-negotiable design filter
Verified first
First language where, within a declared sector, human-review requirements on AI decisions are part of the profile
Verified first
First language where sector field types (PHI, PCI, PII) are classified and enforced natively
Verified first
First language where named AI provider connection groups and fallback chains are a language primitive
Verified first
First language where regulatory thresholds (CTR, SAR, OFAC) are defined in the financial sector profile

Verified via independent AI-assisted research against public documentation.  ·  Challenge any claim on GitHub

See what it looks like

Same logic. Read it out loud.

You don't have to be a developer to follow Mohio. Here's ordinary code next to the Mohio version - the difference is the whole point.

The no-if revolution

Nested if / else if / else is where logic goes to hide. Mohio reads like the instructions you'd actually give.

Before · typical codejavascript
if (order.total > 100) {
  return "free shipping";
} else if (order.member_tier === "gold") {
  return "free shipping";
} else {
  return "standard shipping";
}
After · Mohiomohio
check order
    when total above 100 or member_tier is "gold"
        give back "free shipping"
    otherwise
        give back "standard shipping"
check: done

Lock-blocks, named closers

Every block closes with its own name, so you always know what just ended - and one on.failure catches anything above it.

Before · typical codejavascript
function processBooking(booking, member) {
  try {
    if (booking.nights > 0) {
      if (member.status === "active") {
        return confirmBooking(booking);
      } else {
        return { error: "inactive member" };
      }
    } else {
      return { error: "invalid dates" };
    }
  } catch(e) {
    return { error: e.message };
  }
}
After · Mohiomohio
check booking.nights
    when above 0
        check member.status
            when "active"   give back confirm(booking)
            otherwise       give back 400 "Inactive member"
        check: done
    otherwise               give back 400 "Invalid dates"
check: done

on.failure give back 500 "Booking failed"

Retrieve, authorize, comply - in one read

A database lookup, a 404, an auth check, and the business logic. Add sector: financial at the top and the compliance rules activate on their own.

Before · typical codephp
function getShippingRate($orderId, $userId) {
    $order = $db->query(
        "SELECT * FROM orders WHERE id = ?", [$orderId]
    )->fetch();
    if (!$order) {
        http_response_code(404);
        return json_encode(["error" => "Order not found"]);
    }
    if ($order['user_id'] !== $userId) {
        http_response_code(403);
        return json_encode(["error" => "Not authorized"]);
    }
    if ($order['total'] > 100 || $order['member_tier'] === 'gold') {
        return json_encode(["rate" => "free"]);
    }
    return json_encode(["rate" => "standard"]);
}
After · Mohiomohio
retrieve order from db.orders
    match id to request.order_id
    on.failure give back 404 "Order not found"
retrieve: done

check order.user_id is session.user_id
    on.failure give back 403 "Not authorized"
check: done

check order
    when total above 100 or member_tier is "gold"
        give back "free"
    otherwise
        give back "standard"
check: done

You've seen what it does

Now come build the thing only you can build.

Become a Pioneer Join the Discord Instagram LinkedIn Let's talk

Early access. A community of pioneers. And a direct line to tell us what you want to build.

From the Mohio team

Read the thinking behind it

Technical writing on language design, MioQL, and building without ceremony.

All articles
Syntax preview

Read it like a prompt. Run it like a program.

Real programs, start to finish - the everyday page first, then the regulated ones. Read each like instructions; run each exactly as written.

Mohio
// rates.mho - one file, one page. visit bnbcast.com/rates
connect db as postgres from env.DATABASE_URL

listen for
    new sh.Request

        retrieve cabin from db.cabins
            match slug to "stoneridge"
            on.failure give back 404 "Page not found"
        retrieve: done

        hold display_price cabin.nightly_rate as USD
        hold display_date  now() as date "MMMM D, YYYY"

        give back 200 view "rates_page"
        view "rates_page"
            title       cabin.name
            price       display_price
            updated     display_date

    new: done
listen: done
// PCI_DSS + SOC2 + AML rules activated. One word.
sector: financial

listen for
    new sh.Transaction
        require role "screener"

        // Pull member history. Cache it five minutes.
        find member in db.members
            where id is transaction.member_id
            cache for 5 minutes
        find: done

        // Ask the AI. Require 85% confidence.
        ai.decide isFraudulent returns boolean
            confidence above 0.85
            weigh
                transaction.amount
                transaction.velocity_score
                transaction.device_fingerprint
                member.transaction_history
            ai.audit to fraud_audit_log
            not confident
                give back 202 "Referred to manual review"
            on.failure
                give back 503 "Fraud check unavailable"
        ai.decide: done

        check isFraudulent
            when true
                update db.transactions
                    match id to transaction.id
                    status "blocked"
                update: done
                give back 422 "Transaction blocked"
            otherwise
                give back 200 "Approved"
        check: done
    new: done
listen: done
// HIPAA + HITECH activated. PHI encrypted. Audit trail on.
sector: healthcare

listen for
    new sh.PatientIntake
        require role "clinician" or "staff"

        // save auto-applies: AES-256, phi_audit_log, 6-year retention
        save to db.patients
            mrn             request.mrn
            patient_name    request.patient_name
            diagnosis       request.diagnosis
            created_at      now()
        save: done

        // Clinical AI triage. 0.95 floor enforced by sector.
        ai.decide assess_triage returns text
            confidence above 0.95
            weigh
                request.chief_complaint
                request.vital_signs
            ai.audit to phi_audit_log
            not confident
                give back 202 "Clinical review required"
        ai.decide: done

        give back 201 "Patient intake complete"
    new: done
listen: done
sector: financial
CompliancePCI-DSS v4, SOC2, BSA/AML thresholds
Fieldscard_cvv never stored, card_number tokenized, ssn format-checked, 5-year retention
Thresholds$10k cash triggers a CTR, $5k flagged needs a SAR (0.95 confidence + human review), OFAC checked on every transaction
AI floorstransactions 0.85, credit 0.90 with review on denial
SecurityAES-256 at rest, TLS 1.2+, 15-minute sessions
Auditevery read, write, and ai.decide logged

One word. Everything above. Need more precision? Stack subsectors with dots: sector: financial.banking.retail

mio run rates.mho

MioQL · Mohio Query Language

The database, without the ceremony

Built in. No library. No type string. No injection surface. Fields are bound by name and the compiler handles the rest.

Before · PHPbind_param("ssidi",...)
$stmt = $conn->prepare(
  "INSERT INTO members
   (name, email, age, tier, balance)
   VALUES (?, ?, ?, ?, ?)"
);
$stmt->bind_param(
  "ssidi",
  $name, $email, $age, $tier, $balance
);
$stmt->execute();
After · Mohiofields bound by name
save to db.members
    name     request.name
    email    request.email
    age      request.age
    tier     request.tier
    balance  request.balance
save: done

The full CRUD surface. Six words, one job each.

save to db.members// insert
update db.members// update
upsert db.members// insert or update
retrieve member from// single read
find members in// collection read
remove from db.members// delete
Full MioQL walkthrough Includes complex joins, aggregates, and the raw SQL escape hatch.
Domain expertise, installable

A sector profile is institutional knowledge you can import

Profiles teach the language your industry - its field types, retention rules, thresholds, and AI constraints. There are three tiers, and anyone can build one.

Community
Built by anyone

Open and free. Fork an existing profile, write your own, share it. Use at your own risk - community profiles are not reviewed or supported by Mohio.

Open · unsupported
Certified
Reviewed & approved

Mohio reviews the profile and approves it, and the author pledges to support and update it as rules change. The trust layer between community and us.

Mohio-reviewed · author-maintained
Mioservices
Built & maintained by Mohio

Professionally built, legally reviewed, and kept current by the Mohio team as regulations change. Fully supported. Charged by sector.

Mohio-maintained · commercial

Build a profile. Build a langfile. Shape the ecosystem.

Encode a domain you know, or translate Mohio into your language - Portuguese, Spanish, Hindi and beyond. Contributions are how the language learns the world.

Start on GitHub Ask in Discord

Mohio activates technical enforcement controls - it does not guarantee compliance. Qualified legal counsel does.

Where we were · where we're going

A production-ready compiler in 87 days. We beat our own 90-day goal by 3.

Built in the open, by one developer and one AI. The goal was a working compiler in 90 days. We hit a production-ready one in 87 - and we have not stopped since.

March 23, 2026 · Day 0
Conceived
Core syntax sketched on a phone at a Dunkin' drive-thru, then refined roadside on I-77. Charlotte, NC.
+ 13 days
Compiler running real code
The first ai.decide block parsed, executed, and audited. Tree-walking interpreter on a Lark Earley grammar.
May 2026
Grammar green · serving live apps
Full grammar suite passing. sector: financial and sector: healthcare active. Zork live at zork.mohio.io.
June 2026 · the final sprint
Full Zork, a second program, and working langmaps
The complete original Zork - every room, puzzle, and item, plus easter eggs - refactored to compile in under a minute. A second program joined it: World Validator, which takes a JSON seed and runs the map end to end to confirm a Zork build is completable. Then working langmaps: Mohio written in Spanish and Portuguese, compiling correctly.
Day 87 · June 18 · 3 days early
Production-ready compiler
The 90-day goal was a working compiler. We hit a production-ready one in 87 days, with real programs running on it - and we keep building, testing, and hardening it every day.
Day 90 · June 21
Announced
The milestone goes public, five days inside the three-month mark.
Day 91 · June 22
Playground live to the public
Anyone can write and run Mohio in the browser at playground.mohio.io - no install, no account, fully working.
Day 95 · June 26
MioScript complete
MioScript, the scripting layer, completed, fully tested, and compiling. The best part is you barely notice it - it blends into Mohio so well you do not realize you are scripting at all, the same way you never realize you are querying a database when you write MioQL.
Day 97 · June 28
Working langmaps
Mohio written in Spanish and Portuguese, compiling correctly - code in your own human language, the same program underneath. A milestone on its own; public release follows production testing, with more languages after that.
Next · in active development
Translate, persist, and a Rust core
Public language packs (Spanish & Portuguese first, after production testing), mio fmt, mioknow persistent memory, miostream, mioschedule - and a Rust rewrite of the core for enterprise-grade performance.
On the horizon

The platform around the language

The language is here today. These are the surfaces being built around it - get on the waitlist and you'll be first in.

Coming soon
getmohio.com
Get everything · marketplace
One place to grab it all - a visual builder, downloadable langfiles and sector profiles, VS Code and Claude Code packages, and a showcase of apps built in Mohio you can use or buy.
Later 2026
mohioflow.com
Vibecoding platform
Describe what you want, watch it become real Mohio code, deploy it to our servers. AI metered by usage - with the Mohio twist: every decision is still audited and compliance-aware.
Coming soon
mohiou.com
Learn Mohio
Onboarding, lessons, real projects, and certification paths - from your first program to Mohio Certified Developer. Home of the Young Pioneers program.
Young Pioneers · 16 and under

The best first language is one that reads like English.

Mohio's whole design - code a manager can read in three seconds - turns out to be exactly what makes it a brilliant way to learn. The Young Pioneers program is a gamified path for builders aged 13 to 17, run with a parent or guardian alongside.

1 Learn the basics
2 Earn badges on real projects
3 Build your own Zork
4 Young Pioneer certificate → path to official Mohio certification
Learn at mohioU

Parent-involved by design. Meet our Founding Young Pioneers soon.

unlock a real tool
Apply with a use case - tell us what you want to build. Learn to write your intent, and the tool unlocks.
the capstone
Build and deploy your own live text adventure - the same project the language launched with.
Pioneer Program

Two ways to pioneer.

Get in before public launch and help shape the language. There's a track for working developers and a track for young builders aged 13 to 17. The first-mover window is genuinely narrow - six to twelve months, and we're early in that window.

Track 1

Sector Pioneer

Financial & healthcare developers

  • Early runtime access before public launch
  • A free certified sector profile - kept as a Founding Member
  • A direct line to the team; your feedback shapes the design
  • Founding Member status + locked founder pricing later

No contract. No cost. No obligation.

Track 2

Young Pioneer

Builders aged 13-17 · with a parent or guardian

  • A gamified path in a language that reads like plain English
  • Badges on real projects, at your own pace
  • Build & deploy your own Zork as the capstone
  • A Young Pioneer certificate → path to Mohio certification

Free. Parent-involved by design.

Apply for early access - choose your track

We use this to tailor age-appropriate guidance and send you a birthday hello. It is never shown publicly.

First cohort: 10–20 developers per sector. Young Pioneers apply with a parent or guardian and start with a guided first project.

Questions

Straight answers.

The things people ask first - including the one every developer is thinking about right now.

What is Mohio?
Mohio is the first commercially available programming language with AI reasoning built into the syntax. AI generation, connection, integration, and agents are native to the language, alongside compliance and audit trails. It reads close to plain English, runs anywhere, and builds anything from a single page to a full-stack app.
Is Mohio free?
Yes. Mohio is open core: the language and base runtime are available under the Apache 2.0 license. Certified sector profiles, the hosted platform, and the commercial runtime are paid tiers - but the language itself will never be closed.
Do I need to know how to code to use it?
Mohio is designed to read like plain English, so it's approachable for beginners - and you can vibe-code it through AI tools like Claude Code today. You're always the author of the program: you direct it, the language executes.
What does "write intent" actually mean?
It means your code states what you want to happen, in near-plain language, and the language handles how. When a decision needs judgment, you write that as intent too - ai.decide lets you state the goal, a confidence threshold, an audit trail, and a fallback. It is not "describe your app and AI writes it." You author every line. Intent over syntax.
If anyone can vibe-code an app in two days, why does the world need a new language?
Because vibe coding still has to output something. Today that's one language glued to JavaScript, with AI, auth, compliance, and audit bolted on by hand or wired through libraries an agent loops on for hours. Mohio is the foundation underneath - a full language that runs anywhere, with AI reasoning, compliance, self-architecture, audit trails, and version and cost control baked in. Whether a human writes it or a platform built on Mohio does, the result is cleaner, readable, audit-ready code - and when something breaks, a person can actually find and fix it. Better foundation, better everything built on top.
What happens to developers if AI writes the code?
AI isn't replacing the developer who can direct it - it's replacing the parts that were never the point: boilerplate, glue code, wiring the same auth and audit for the hundredth time. Mohio keeps you in the author's seat. You set the intent and the architecture, AI does the grunt work, and because the code reads like plain language you can review and debug what AI produces. That directing-and-reviewing skill is exactly what stays valuable.
Can I build AI agents with Mohio?
Yes - agents are native, with the guardrails enforced by the language rather than left to chance. An agent does what you authorized and stops at the boundary you set.
Does it work with Claude Code?
Yes. You can vibe-code Mohio in Claude Code today using Mohio's config files, with GitHub Copilot, Cursor, and Windsurf coming next. A dedicated platform - and deploy-to-our-servers - is on the way.
News & press

Built in public. Covered in public.

Where the project's been written about, and the milestones along the way.

Technology · Fair Side News · May 30, 2026

The Future of Coding Started in a Dunkin' Drive-Thru

How a Charlotte-area founder sketched the core of a new programming language on his phone during a roadside breakdown on I-77 - and had it running live on the web less than two months later, built by one developer and one AI working together.

Read the article
May 2026
Zork goes live at zork.mohio.io - a real Mohio web app anyone can play.
Apr 2026
First live compiler test: ai.decide parsing, calling a real model, audit confirmed.
Mar 23, 2026
Mohio is born - core syntax designed at a Dunkin' drive-thru, Mooresville, NC.
Open core & community

Open core. The language is open. The intelligence is earned.

Mohio is open core: the language, compiler, and base runtime are available under Apache 2.0. Certified profiles, the hosted platform, and the commercial runtime are the revenue layer. The base language will never be closed.

Free forever · Apache 2.0
  • ✓  Language syntax & compiler
  • ✓  Base runtime & mio CLI
  • ✓  Community shape & profile library
  • ✓  mio* service syntax
Commercial
  • ✓  Certified & Mioservices profiles
  • ✓  Hosted runtime & platform
  • ✓  Compliance dashboards & audit export
  • ✓  Advanced services - agents, memory, chain
GitHub Repository

The Mohio compiler and base runtime - Apache 2.0. Clone it, run the demos, open an issue. Star the repo to follow along.

github.com/countart/mohio
Discord Community

Follow development in real time, meet early adopters, and help shape what Mohio becomes. Built in public, with the community.

Join Discord
Support Development

Mohio is built without VC backing or corporate overhead. If you believe the world needs an AI-native language built in the open, help keep it moving.

☕ Buy us a coffee
Early access

Be here when the window opens.

Mohio is in active development and the first-mover window is short. Join for early access to the runtime, the sector profiles, the platform, and the community - and to help shape what comes next.

Live
runtime + demos
12+
verified firsts
2
sectors live
∞
no cost to join

Reserve your spot - no spam, ever.

✓ No spam✓ No cost✓ Cancel anytime

Building something serious? There's a deeper end of the pool.

When AI makes real decisions — money, health, eligibility, safety — you need compliance, agents you can govern, persistent memory, audit trails, and cost control you can prove. Finance, healthcare, government, logistics, and more.

See Mohio Enterprise