Boundary AI
Last Updated on: Sep 12, 2025
Boundary AI
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What is Boundary AI?
BoundaryML.com introduces BAML, an expressive language specifically designed for structured text generation with Large Language Models (LLMs). Its primary purpose is to simplify and enhance the process of obtaining structured data (like JSON) from LLMs, moving beyond the challenges of traditional methods by providing robust parsing, error correction, and reliable function-calling capabilities.
Who can use Boundary AI & how?
  • Developers: Building applications that rely on structured data output from LLMs.
  • Machine Learning Engineers: Integrating LLMs into workflows where reliable data formats are crucial.
  • Data Scientists: Extracting specific, structured information from large volumes of text generated by LLMs.
  • AI Researchers: Experimenting with and optimizing LLM interactions for structured output.
  • Anyone working with LLMs: Who struggles with inconsistent or verbose LLM responses and needs clean, formatted data.
  • Software Architects: Designing robust systems that leverage LLMs for data processing and automation.

How to Use BoundaryML.com?
  • Installation: Begin by installing BAML into your Python environment using pip: `pip install baml-py`.
  • Define Schema & Functions: Use BAML's expressive syntax to define the desired output schema (e.g., JSON structure) and functions for your LLM interactions. This transforms prompt engineering into a more structured coding approach.
  • Integrate with LLMs: Connect BAML with your chosen LLM (e.g., GPT-3.5, GPT-4o). BAML's parser and function-calling capabilities work across various models.
  • Develop in Playground: Utilize the BAML playground environment to develop, test, and refine your structured text generation workflows.
  • Get Structured Output: Execute your BAML code. The parser ensures robust JSON error correction, handles "LLM yapping," and coerces output to your defined schema, providing reliable structured data.
What's so unique or special about Boundary AI?
  • LLM-Specific Parser: Features a robust parser built from the ground up for LLMs, offering superior JSON error correction, immunity to irrelevant LLM chatter ("LLM yapping"), and automatic schema coercion.
  • Universal Function-Calling: Enables reliable function-calling across virtually every LLM, providing consistent performance regardless of the underlying model.
  • State-of-the-Art Performance: Achieves benchmark-setting results in function-calling, particularly noted for its efficiency and token reduction with models like GPT 3.5.
  • Prompt Engineering as Code: Transforms the often-unpredictable art of prompt engineering into a structured, type-safe coding process with features like classifiers, multimodal inputs, and dynamic prompts.
  • Static Analysis & Type-Safety: Provides static analysis and type-safety for LLM interactions, reducing errors and increasing reliability in development.
Things We Like
  • Simplifies the complex task of getting structured data from LLMs.
  • Robust parser with excellent JSON error correction and "anti-yapping" capabilities.
  • Enables reliable function-calling across a wide range of LLM models.
  • Transforms prompt engineering into a more reliable and systematic coding process.
  • Achieves state-of-the-art results in LLM function-calling benchmarks.
  • Offers features like static analysis and type-safety for increased development reliability.
  • Supports multi-modal inputs, expanding LLM interaction possibilities.
  • Includes a dedicated playground for easier development and testing.
  • Helps in reducing token usage and improving efficiency for LLM interactions.
Things We Don't Like
  • Primarily a developer tool, not suitable for non-technical users seeking a no-code solution.
  • Requires installation and familiarity with coding environments (e.g., Python).
  • Learning curve associated with adopting a new language syntax (BAML).
  • Currently focused on structured text generation; might not cover all LLM interaction needs.
  • Specific performance gains or limitations for lesser-known LLMs are not explicitly detailed.
Photos & Videos
Screenshot 1
Pricing
Freemium

Starter

$ 0.00

Get structured data from LLMs reliably
VSCode playground testing, with multimodal capabilities
VSCode playground real-time prompt preview
Community support via Discord and Github

Enterprise

custom

SLA guarantees
Dedicated Slack channel
Architectural reviews with our experienced AI engineers
Prioritized feature requests
Access to Boundary Studio
Boundary Studio includes observability, data labeling, fine-tuning engineering support and more
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Popular Mention

FAQs

BAML is an expressive language offered by BoundaryML.com designed to simplify and enhance the process of obtaining reliable structured data from Large Language Models (LLMs).
Its main purpose is to provide robust JSON error correction, ignore irrelevant LLM output ("yapping"), and ensure reliable schema coercion when extracting structured data from LLMs.
BAML is primarily for developers, ML engineers, data scientists, and anyone working with LLMs who needs structured and reliable output.
You can install BAML using pip: pip install baml-py.
Yes, BAML enables function-calling for virtually every LLM and is highlighted for its performance with models like GPT 3.5.

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