Bifrost
The fastest open-source AI gateway for routing, governance, guardrails, and observability. Compatible with all model SDKs and built for enterprise scale.
Bifrost is an open-source alternative to:
Bifrost is the fastest, most resilient enterprise-grade AI gateway designed for routing, governance, guardrails, and observability. Built for real-world scale, it provides a unified control plane to manage budgets, track audit logs, enforce access control via SSO, and protect models with real-time guardrails.
Key Features
- Ultra-low latency routing: 20 microseconds added latency and 5,000 requests/second throughput
- Multi-provider support: Access 8+ providers and 1000+ AI models through a unified interface
- Budgeting & cost control: Set spending limits and track costs across teams, projects, and models
- Provider fallback: Automatic fallback to ensure high availability and reliability
- MCP gateway: Built-in support for Model Context Protocol (MCP) to use tools within agents
- Real-time guardrails: Blocks unsafe outputs, enforces compliance, and keeps agents secure
- Audit & governance: Track audit logs and maintain access control via SSO
- Drop-in replacement: Change just one line of code to work with OpenAI, Anthropic, Vercel AI SDK, LangChain, and more
Tech / Self-Hosting
Bifrost is open-source and can be self-hosted. It supports deployment on any infrastructure and is compatible with all major AI SDKs. The project is available on GitHub and can be installed via npx @maximhq/bifrost.