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Interactive BAML Tour

Learn by doing. Go from zero to production-ready in ~35 minutes.

Hello BAMLWrite an LLM function in 10 lines. See typed outputs, not strings.

Prompt TransparencySee exactly what prompt gets sent to the model. No hidden abstractions.

Types That WorkYour schema IS your prompt. Define types that drive parsing automatically.

Union TypesHandle multiple outcomes with type safety. Success, errors, and clarifications.

Attributes@description, @alias, @skip—fine-tune how types become prompts.

MatchExhaustive handling of union types. The compiler ensures you handle every case.

TestingPrompts deserve tests too. CI/CD for prompts with assertions.

StreamingStream typed data, not just text. Access fields as they arrive.

ReliabilityRetry policies and fallback chains. Declarative reliability without code.

IntegrationCall BAML from TypeScript, Python, and more. Types flow through.

Dynamic TypesAdd fields at runtime with TypeBuilder. Schemas that adapt to your needs.

Real-WorldBuild a production-ready Customer Support Triage Bot. Everything combined.