Blog

Articles and release notes from the team building BAML.

Latest releaseOctober 25, 2026

BAML 0.23.0

Global variables, clearer AI traces, OpenAI structured outputs, Rust SDK improvements, and migrations for reflection, JSON, strings, and error handling.

Read release notes

All posts

55 posts

Software Factories Still Need Human Operators: Building 6 BAML SDKs for 6 Programming Languages in 1 Week

2025

Dec 30

article

1 co-founder, 5 years, 12 pivots, still not dead

Dec 14

article

Structured Outputs Create False Confidence

Nov 27

article

LLMs do not understand numbers

Nov 17

article

Beware When Using TOON

2024

Dec 6

article

Cursor support for BAML

Dec 6

article

Structured outputs with Open AI O1

Dec 3

article

A new trick for generating code in JSON

Nov 27

article

Announcing LLM Eval Support for Python, Ruby, Typescript, Go, and more.

2023

Nov 25

article

Blog

BAML 0.23.0

All posts

2026

BAML 0.23.0

OpenAI Decisions is coming to BAML v1

BAML 0.21.0

BAML 0.20.1

TypeSafe AI's Jev model is coming to BAML v1

BAML 0.19.0

BAML 0.18.0

BAML 0.17.0

Software Factories Still Need Human Operators: Building 6 BAML SDKs for 6 Programming Languages in 1 Week

2025

1 co-founder, 5 years, 12 pivots, still not dead

Structured Outputs Create False Confidence

LLMs do not understand numbers

Beware When Using TOON

2024

Cursor support for BAML

Structured outputs with Open AI O1

A new trick for generating code in JSON

Announcing LLM Eval Support for Python, Ruby, Typescript, Go, and more.

2023

Announcing BAML - The typesafe interface to LLMs, with built-in testing, guardrails and observability

A cautionary tale on vibes

You could invent the next coding agent!

Using UUIDs in prompts is bad

Advanced Prompting Workshop Notes

How to write a Zed extension for a made up language

The curious case of environment variables

Tech Preview: Workflows

Lambda the Ultimate AI Agent

Tutorial - An Agentic AI App with Streaming

Tool use with Llama API (and reasoning)

Structured outputs with Llama 4

Structured outputs with QwQ 32B

Full stack BAML with React/Next.js

Structured outputs with Gemini 2.0

Structured outputs with o3-mini

BAML Launch Week Day 5

BAML Launch Week Day 4

BAML Launch Week Day 3

BAML Launch Week Day 2

BAML Launch Week Day 1

AI Agents Need a New Syntax

BAML Launch Week Announcement

Structured outputs with Deepseek R1

Generating Structured Output from a Dynamic JSON schema

Every Way To Get Structured Output From LLMs

Semantic Streaming vs Token-based Streaming

Bringing Structured Outputs and Schema-Aligned Parsing to Golang, Java, PHP, Ruby, Rust, and More

Structured Output with Ollama

Beating OpenAI's structured outputs on cost, accuracy and speed — An interactive deep-dive

Prompting vs JSON Mode vs Function Calling vs Constrained Generation vs SAP

Transparency as a Tenet

Building a New Programming Language in 2024, pt. 1

Use Audio with your LLMs!

Announcing Gemini Support!

Building RAG in Ruby, using BAML, with streaming!

Build RAG with citations in NextJS (with streaming!)

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