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BoundaryML/baml

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The programming language for agents

24 mentions on Hacker News by 12 people: 7 stories, 17 comments · first 2024-03-26 · latest 2026-07-15

Mentions per year 24 mentions · busiest year 2025 (13)
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  1. ▲ 8
    Baml: The Programming Language for Agents
    story by pykello · 2026-07-15 · 5 comments
  2. We are working on making our programming language BAML turing-complete. https://github.com/boundaryml/baml It is a language that is embeddable in other programming languages, with the type system similar to typescript, and a runtime that…
    comment by aaronvg · 2026-05-11 · in Ask HN: What are you working on? (May 2026)
  3. …so long as it's generated for you, but I'd rather write something human readable and debuggable. 1. https://github.com/BoundaryML/baml
    comment by porker · 2025-11-15 · in Structured outputs on the Claude Developer Platform
  4. ▲ 1
    BAML is hiring compilers/rust engineers (YC W23)
    story by hellovai · 2025-11-13 · 0 comments
  5. …programming language (BAML) to build AI agents -- the "typescript" for LLMs. We are open source: https://github.com/BoundaryML/baml A big part of this language is all the tooling around visualizing non-deterministic code, visualizing code,…
    comment by aaronvg · 2025-11-03 · in Ask HN: Who is hiring? (November 2025)
  6. …ideas in BAML [1], what do you think are the differences and advantages of Pipelex over it? [1]: https://github.com/boundaryml/baml
    comment by novoreorx · 2025-10-30 · in Show HN: Pipelex – Declarative language for repeatable AI workflows
  7. You may also want to check out BAML https://github.com/BoundaryML/baml - a DSL for prompt templates that are literally treated like functions. the prompt.yaml format (which this project uses) suffers from the fact that it doesn't address…
    comment by aaronvg · 2025-08-10 · in POML: Prompt Orchestration Markup Language
  8. ▲ 2
    BAML
    story by handfuloflight · 2025-07-09 · 0 comments
  9. Have you tried BAML? https://github.com/BoundaryML/baml
    comment by invinciblycool · 2025-06-30 · in Ask HN: What Are You Working On? (June 2025)
  10. We're making a prompting DSL (BAML https://github.com/BoundaryML/baml ) and what we've found is that all the syntax rules can easily be encoded into a Cursor Rules file, which we find LLMs can follow nicely. DSLs are simple by nature so…
    comment by aaronvg · 2025-06-17 · in LLMs pose an interesting problem for DSL designers
  11. I've been using using [BAML]( https://github.com/boundaryml/baml ) to do this, and it works really well. Lets you have multiple different fallback and retry policies, and returns strongly typed outputs from LLMs.
    comment by thesandlord · 2025-04-07 · in Use the Gemini API with OpenAI Fallback in TypeScript
  12. …a converter and ajv [3]. [1] https://github.com/inferablehq/l1m/blob/main/api/src/schema.... [2] https://github.com/boundaryml/baml [3] https://ajv.js.org
    comment by lunarcave · 2025-02-27 · in Show HN: A lightweight LLM proxy to get structured results from most LLMs
  13. …that implement tool calling or json mode, by by relying on schema-aligned parsing. Check it out! https://github.com/BoundaryML/baml
    comment by joatmon-snoo · 2025-02-20 · in Run structured extraction on documents/images locally with Ollama and Pydantic
  14. ▲ 7
    Show HN: Structured Outputs with Deepseek R1
    story by aaronvg · 2025-01-27 · 2 comments
  15. For structured output from anywhere I'm finding https://github.com/BoundaryML/baml good. It's more accurate than gpt-04-mini will do on its own, and any of the other JSON schema approaches I've tried.
    comment by porker · 2025-01-12 · in Phi 4 available on Ollama
  16. …literal functions, with input and output types. Playground link here https://www.promptfiddle.com/ https://github.com/BoundaryML/baml (tried pasting code but the formatting is completely off here, sorry). We think we could run some…
    comment by aaronvg · 2024-12-07 · in DSPy – Programming–not prompting–LMs
  17. ▲ 4
    BAML is a language that helps you get structured data from LLMs
    story by Anon84 · 2024-11-14 · 0 comments
  18. Have you tried BAML ( https://github.com/boundaryml/baml )? It's really good at structured output parsing. We integrated it directly into our pipeline builder.
    comment by skull8888888 · 2024-09-05 · in Show HN: Laminar – Open-Source DataDog + PostHog for LLM Apps, Built in Rust
  19. ▲ 2
    Show HN: PromptFiddle – Open-source WASM-based LLM playground
    story by hellovai · 2024-08-24 · 0 comments
  20. …which leads to these UIs to figure out what the heck is actually going on. For our DSL (BAML https://github.com/BoundaryML/baml ) we found that adding a VSCode playground to visualize LLM function inputs and outputs was a massive win in…
    comment by aaronvg · 2024-08-09 · in LangGraph Engineer
  21. …instead of json schema. You can take a look at our BFCL results on that site or the github: https://github.com/BoundaryML/baml We'll be publishing our comparison against OpenAI structured outputs in the next 2 days, and a deeper dive into…
    comment by aaronvg · 2024-08-06 · in Structured Outputs in the API
  22. we recently added dynamic type support with this snippet! (docs coming soon!) Python: https://github.com/BoundaryML/baml/blob/413fdf12a0c8c1ebb75c... Typescript: https://github.com/BoundaryML/baml/blob/413fdf12a0c8c1ebb75c... Snippet:…
    comment by hellovai · 2024-06-18 · in Every Way to Get Structured Output from LLMs
  23. …of different techniques to get more usefully structured data out. You can check it out over at https://github.com/BoundaryML/baml . Would love to talk if this is something that seems interesting!
    comment by joatmon-snoo · 2024-06-02 · in What we've learned from a year of building with LLMs
  24. ▲ 18
    Show HN: BAML - A new programming language to get structured data from LLMs
    story by hellovai · 2024-03-26 · 2 comments