Code that thinks the way you do.
Mohio is the first programming language where AI reasoning and compliance are native primitives — not a library import, not an API call, not a framework you bolt on. The ability to understand, infer, and reason is built directly into the language itself — with its own syntax, semantics, and runtime. Write logic the way you think: in outcomes, in context, in intent.
Most languages treat AI as something you call. Mohio treats it as something you are.
In every other language, you integrate AI through libraries, SDKs, or REST calls — it's always a guest. In Mohio, reasoning is a first-class citizen with its own syntax, semantics, and runtime. You don't call AI. You write in it.
Traditional programs describe how to compute. Mohio lets you describe what you want, and the runtime figures out the best path. Define outcomes, constraints, and context — the language bridges the gap between intent and execution.
Mohio's type system understands meaning, not just shape. Types carry semantic weight — a transaction isn't just a struct, it's a concept the runtime knows how to reason about, validate, and question when something feels wrong.
Every AI-native expression in Mohio produces an auditable trace. You can inspect why the runtime reached a conclusion, replay decisions with different context, and build systems where explainability is not an afterthought — it's a compile artifact.
Finance, healthcare, compliance, security — Mohio was built with correctness and auditability in mind from day one. The language enforces confidence thresholds, fallback logic, and escalation paths so that uncertainty is never silently swallowed.
The Mohio compiler, runtime, and standard library are open source. No vendor lock-in, no black-box inference engine you can't inspect. If you want to understand what your language is thinking, you can. That's the whole point.
Fraud detection in financial middleware — one sector declaration replaces weeks of compliance wiring. AI reasoning is native syntax, not an import.
// fraud_check.mho — sector: financial activates PCI_DSS + SOC2 automatically sector: financial connect db as postgres from env.DATABASE_URL connect cache as redis from env.REDIS_URL use mioauth use miolog on error miolog.error "Unhandled error: {{ error.message }}" give back 500 "Internal error" route POST "/screen" require role "screener" or "system" validate request.body requires transaction_id, amount, member_id set transaction = fetch one from transactions where id = request.transaction_id set member = fetch one from members where id = transaction.member_id cache for 5 minutes if transaction.amount > 10000 miolog.info "CTR threshold reached" with { amount = transaction.amount } cm.report "CTR" for transaction ai.decide is_fraudulent(transaction) returns boolean confidence above 0.85 weigh transaction.amount, transaction.location, member.transaction_history, member.typical_spend_pattern, transaction.device_fingerprint, transaction.velocity_score fallback give back pending "Referred to manual review" miolog.warn "Fraud check below threshold — manual review queued" ai.audit to fraud_audit_log consider is_fraudulent.result when true update transactions set status = "blocked" where id = transaction.id miomail.send to member.email subject "Transaction blocked" body fraud_alert_template with { transaction = transaction } miolog.alert "Transaction blocked" via slack env.FRAUD_CHANNEL with { id = transaction.id, amount = transaction.amount } give back 200 "Transaction blocked" when false update transactions set status = "approved" where id = transaction.id give back 200 "Transaction approved"
mio run fraud_check.mho
Mohio is open core — the compiler, runtime, and standard library will be publicly available. No black boxes. No lock-in.
The Mohio compiler, language specification, and standard library will be published as open source. Star the repo to get notified the moment we go live.
Connect with early adopters, share ideas, and follow development in real time. The Mohio Discord is where the language gets built — in public, with the community.
Mohio is built without VC backing or corporate overhead. If you believe the world needs an AI-native language built in the open, consider buying us a coffee to keep the work moving.
Mohio is in active development. Join the waitlist for early access to the language, the compiler, and the community when we launch.