Polyrouter

Spec sheet

Product

Polyrouter is an open-source LLM gateway that puts one endpoint in front of multiple model providers.Read 8 Oct 2026 · polyrouter.app

Deployment

Self-hosting requires Docker with Compose v2 and runs the SPA, API, and proxy alongside PostgreSQL 16 and Redis.Read 8 Oct 2026 · polyrouter.app

Integrations

Provider options include API keys, OAuth subscriptions, compatible custom endpoints, and self-hosted local models including Ollama, LM Studio, and llama.cpp.Read 8 Oct 2026 · polyrouter.app

Security

Provider and notification credentials are encrypted at rest, and user-supplied URLs are checked against private and metadata address ranges.Read 8 Oct 2026 · polyrouter.app

Privacy

Request logs are metadata-only by default, and prompt or response capture is an opt-in self-hosted feature that is off by default.Read 8 Oct 2026 · polyrouter.app

Support

The maker directs bug reports, feature requests, and questions to GitHub.Read 8 Oct 2026 · polyrouter.app

License

Polyrouter is open source under the AGPL-3.0 license.Read 8 Oct 2026 · polyrouter.app

Maker

Polyrouter is built and maintained by Anthony Izzo.Read 8 Oct 2026 · polyrouter.app

Agent compatibility

Any client that accepts a configurable base URL and API key can connect, including OpenAI- and Anthropic-compatible SDKs.Read 8 Oct 2026 · polyrouter.app

Budgets

Spend budgets can apply globally or per agent over day, week, or month windows and can alert or block requests at a threshold.Read 8 Oct 2026 · polyrouter.app

Fallbacks

Ordered fallback chains and per-provider circuit breakers help requests continue when a provider degrades.Read 8 Oct 2026 · polyrouter.app

Managed hosting

Polyrouter Cloud is described as coming soon, with a waitlist for early access.Read 8 Oct 2026 · polyrouter.app

Protocols

It supports OpenAI- and Anthropic-compatible APIs and translates requests between the two protocols.Read 8 Oct 2026 · polyrouter.app

Routing

It supports explicit model selection, header rules, routing tiers, and optional automatic routing layers.Read 8 Oct 2026 · polyrouter.app

Plans and prices

Every Polyrouter plan and price →

Where Specifiction places it

• LLM gateways#21 of 337.8
• LLM Gateway Software#22 of 347.6