What is Manifest?
Manifest is an open source LLM gateway that connects AI agents and agentic workflows to many model providers, including local and custom ones. It adds observability for usage, reliability and costs, plus automatic error handling. Developers can self-host it or use the hosted version.
Key facts
- Pricing
- Open source
- Category
- Coding
- Website
- https://manifest.build/
- Listing updated
- Nov 11, 2026
Manifest FAQ
What is Manifest?
Manifest is an open source LLM gateway that connects AI agents and agentic workflows to many model providers, including local and custom ones. It adds observability for usage, reliability and costs, plus automatic error handling. Developers can self-host it or use the hosted version.
What does Manifest cost?
Manifest pricing is listed as Open source.
What are alternatives to Manifest?
Coding alternatives to Manifest include GitHub Copilot, Together AI, Baseten, Straion, Cursor and Pinecone.