Boundary
Boundary (BoundaryML) builds BAML, a typesafe programming language for AI agents that makes AI pipelines reliable, observable, and easy to test.
At a Glance
- Enterprise AI Engineering Teams
- SaaS Startups
- AI Infrastructure
AI Tools by Boundary
(1)
BAML
AI Agent Programming Language
Discussions
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Latest News
Software Factories Still Need Human Operators: Building 6 BAML SDKs for 6 Programming Languages in 1 Week
1 co-founder, 5 years, 12 pivots, still not dead
Tech Preview: Workflows release
BAML Launch Week 2025: Roadmap to BAML 1.0
Products & Services
A domain-specific programming language for LLMs that ensures type-safe structured outputs, streaming, and observability.
A specialized IDE extension for prompt engineering with live previews, debugging, and testing features.
Type-safe client libraries for Python, TypeScript, Go, Ruby, Java, PHP, and Rust.
A prompting copilot integrated directly into the development environment to assist with agent creation.
Market Position
Boundary positions BAML as the engineering-first alternative to LangChain and PydanticAI, focusing on a dedicated DSL that prioritizes reliability and observability in production environments.
Leadership
Founders
Vaibhav Gupta
Co-founder & CEO. Previously built on-device depth and face-unlock systems for Google Pixel 4 and worked on Microsoft HoloLens. Expert in CV/ML algorithms and assembly. YC alum.
Aaron Villalpando
Co-founder & CTO. Spent seven years at Amazon, scaling EC2 internal monitoring and building live-streaming features for Prime Video and Twitch. Former YouTuber. YC alum.
Executive Team
Vaibhav Gupta
CEO & Co-founder
Expert in AI performance optimization; formerly at Google, Microsoft, and D.E. Shaw.
Aaron Villalpando
CTO & Co-founder
Formerly Senior Software Engineer at Amazon, specialized in EC2 monitoring and Prime Video infrastructure.
Board of Directors
Founding Story
The company was born from 12 pivots over five years. The founders started as side projects while at Google and Amazon, quitting in 2022. After being rejected by YC initially, they were accepted in W23 and pivoted to building the 'TypeScript for LLMs' to address the fragility of existing AI development frameworks.
Business Model
Revenue Model
Open-core model. The core BAML language and SDKs are free and open source. Monetization occurs through a cloud-based enterprise platform for observability and team collaboration.
Pricing Tiers
Core language, compiler, and local development tools.
Enterprise observability, governance, and management features.
Target Markets
- Enterprise AI Engineering Teams
- SaaS Startups
- AI Infrastructure
- AI agents
- Structured data extraction
- Production AI pipelines
- Multi-service LLM architectures
- Product Hunt
- GovEagle
- Actual AI
- VetRec