# Self-hosted OpenAI API alternatives on Cloudflare

> 2 open-source apps that replace OpenAI API and run on your own Cloudflare account.

Page: https://openflarestack.com/alternatives/openai-api/. Updated 2026-10-13.

## 1. Gemini to OpenAI Proxy

Lets you use Gemini's free AI models through any tool that expects an OpenAI API endpoint. Self-hosted alternative to OpenAI API.

- Repository: https://github.com/PublicAffairs/openai-gemini (MIT, 3667 stars, last commit 2026-03-17)
- Creates: no bindings found
- Deploy: https://deploy.workers.cloudflare.com/?url=https://github.com/PublicAffairs/openai-gemini
- Details: https://openflarestack.com/apps/openai-gemini.md

## 2. FreeGen-2API

Wraps FreeGen as an OpenAI-compatible API for AI image generation, with a stylish WebUI. Self-hosted alternative to OpenAI API.

- Repository: https://github.com/lza6/freegen-2api-cfwork (Apache-2.0, 12 stars, last commit 2026-04-22)
- Creates: no bindings found
- Deploy: https://deploy.workers.cloudflare.com/?url=https://github.com/lza6/freegen-2api-cfwork
- Details: https://openflarestack.com/apps/freegen-2api-cfwork.md