Boundary
Build AI applications with confidence using type-safe, reliable AI pipelines and agents across any programming language and LLM provider.
At a Glance
- AI Engineers
- Software Developers
- Enterprise Tech Companies
AI Tools by Boundary
(1)BAML
Type-Safe LLM Function Builder
Discussions
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Latest News
BAML Launch Week 2025: Expanding AI Development Capabilities
Tech Preview: Introducing Workflows in BAML
Announcing Cursor support for BAML
Bringing Structured Outputs and Schema-Aligned Parsing to Golang, Java, PHP, and more
Products & Services
A domain-specific language (DSL) for defining prompts, functions, and schemas with structured outputs and type safety.
Command-line tool for initializing projects, generating native code, and running tests.
Developer extension providing syntax highlighting, auto-completion, and live playground features for BAML.
Generated native libraries for Python, TypeScript, Ruby, Go, Java, and other languages.
Market Position
Boundary positions itself as the 'engineering' layer for prompt engineering, offering a DSL (BAML) that ensures type safety and reliability, contrasting with less structured template-based libraries.
Leadership
Founders
Vaibhav Gupta
Previously a software engineer at Microsoft and Google. Long-time builder, started building card games in 7th grade. CEO and Co-founder of Boundary.
Aaron Villalpando Gonzalez
Co-founder of Boundary. Background in engineering and project management. Navigated 12-13 pivots alongside Vaibhav.
Executive Team
Vaibhav Gupta
CEO & Co-founder
Ex-Microsoft, Ex-Google.
Aaron Villalpando Gonzalez
CTO & Co-founder
Lead engineering and product vision through 12 pivots.
Board of Directors
Founding Story
Founded by Vaibhav Gupta and Aaron Villalpando Gonzalez, Boundary navigated 12-13 'hard pivots' over several years (originally under the name Gloo) before creating BAML. The company was admitted to Y Combinator's W23 batch despite their frequent pivots, eventually finding success with BAML's focus on structured prompt engineering.
Business Model
Revenue Model
SaaS subscription model with tiered pricing (Free, Team, Enterprise). Open-core strategy focused on developer tools.
Pricing Tiers
Free forever, no credit card required.
Includes advanced features, 14-day free trial, and priority support.
Includes on-premise deployment, SSO/SAML, dedicated account manager, and SLAs.
Target Markets
- AI Engineers
- Software Developers
- Enterprise Tech Companies
- Building reliable AI agents
- Structured data extraction (e.g., resumes, logs)
- Prompt engineering for production applications
- Cross-language AI pipeline development
- AI startups
- Independent developers