100100 Ideas AI
Submit Tool

Cartethyia

Open source

Self-hosted Bun + Elysia reverse proxy unifying OpenAI and Anthropic APIs with real-time translation and prompt caching.

66

Cartethyia is a lightweight reverse proxy for OpenAI and Anthropic-compatible clients, Powered by Elysia and native Bun. It exposes Unified API Protocol surfaces through a single server, routes models across either ecosystem, and translates requests and responses in real time with support for prompt caching and much more capabilities from the model

Pros

  • +Unified API surface for both OpenAI and Anthropic-compatible clients
  • +Real-time request/response translation with prompt caching support
  • +Lightweight, high-performance stack built on Bun and Elysia
  • +Authenticated dashboard for self-hosted management

Cons

  • −Project is in beta and development is paused, so stability and support may be limited
  • −Requires self-hosting and Bun runtime knowledge
  • −License is unspecified, which may complicate commercial use

Target audience: Developers and teams wanting a self-hosted, lightweight proxy to unify OpenAI and Anthropic API access with caching and a dashboard.

Related tools

Other open-source tools that share tags with Cartethyia.