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BAML documentation

Overview
Get started
Book
Language reference
- Functions
Standard packages
Language bridges
- TypeScript

Products

BAML CLI
Cloud

Resources

Tutorials
- Structured extraction
Examples
- Classify support tickets
- Images and vision models

Home BAML CLI Cloud Tutorials Examples

Sections

Overview
Get started
Book
Language reference
- Functions
Standard packages
Language bridges
- TypeScript

Products

BAML CLI
Cloud

Resources

Tutorials
- Structured extraction
Examples
- Classify support tickets
- Images and vision models

BAML CLIv0.20.1-nightly.20260918.aCommandstoolchainpin

baml toolchain pin

Select in the nearest baml.toml

Reference version

Usage

baml toolchain pin <canary|nightly|version|path>

On this page

Usage

Build with BAML

Start with the language guide and a checked BAML function.

Continue into generated package and CLI references for the exact selected toolchain.

Developer documentation for BAML and Boundary products. Source available on GitHub. View release notes