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Baml

BAML looks like TypeScript, but every feature is built so agents make fewer mistakes: It has a type system like Rust, but compiles even faster than Go. Types persist at runtime. There is no any nor casting dangerously to any type. Errors are typed and statically analyzed. The filesystem describes the modules/namespaces. Has green threads, and colorless concurrency like Go Built-in tests / eval framework Built-in stdlib for agents Every baml tool is natively designed for agents, with no garbage outputs, etc. Can be run standalone or adopt incrementally (you can call a BAML function from TS, Py, Go, C#, Java, etc). We're hiring software engineers who love Rust. Email us or reach out on Discord.

View Baml on GitHub
Navid Moazzezby Navid Moazzez·Updated Sept 30, 2026·1 min read
Baml

BAML looks like TypeScript, but every feature is built so agents make fewer mistakes: It has a type system like Rust, but compiles even faster than Go. Types persist at runtime. There is no any nor casting dangerously to any type. Errors are typed and statically analyzed. The filesystem describes the modules/namespaces. Has green threads, and colorless concurrency like Go Built-in tests / eval framework Built-in stdlib for agents Every baml tool is natively designed for agents, with no garbage outputs, etc. Can be run standalone or adopt incrementally (you can call a BAML function from TS, Py, Go, C#, Java, etc).

We're hiring software engineers who love Rust. Email us or reach out on Discord.

Baml at a glance

Stars9.3k
Forks492
LanguageRust
LicenseApache-2.0
Last update2026-09-26
Contributors109

How to install Baml

bash brew install baml 

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