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OpenSourceAlternatives

Tag

openai-compatible

8 catalogue entries use this topic; each Project's license policy is labeled separately.

LiteLLM

LiteLLMAIOpen

Open-source AI gateway unifying 100+ LLMs behind one API

Stars60.1K
Commitjust now
LicenseMIT

LiteLLM is an open-source AI gateway that calls more than 100 large language model providers through one OpenAI-compatible interface.

Alternative toBifrost
LocalAI

LocalAIAIOpen

Self-hosted OpenAI-compatible runtime for local AI models

Stars49.5K
Commitjust now
LicenseMIT

LocalAI is a self-hosted runtime that runs AI models locally behind OpenAI-compatible endpoints.

Alternative toOllamaChatGPT
Jan

JanOpen

Open-source desktop app for chatting with AI models fully offline

Stars44.9K
Commitjust now
LicenseApache-2.0

Jan is a free, open-source desktop app for chatting with AI models on your own computer, working fully offline once models are downloaded.

Alternative toOllamaLM Studio
Portkey AI Gateway

Portkey AI GatewayOpen

Open-source AI gateway routing 200+ providers with fallbacks

Stars13.2K
Commit3mo ago
LicenseMIT

Portkey AI Gateway is an open-source gateway that routes app traffic across 200+ LLM providers with fallbacks, load balancing, caching, and guardrails.

Bifrost

BifrostOpen

Self-hosted LLM gateway with one OpenAI-compatible API

Stars8,531
Commitjust now
LicenseApache-2.0

Bifrost is a self-hosted gateway that puts every large language model call behind one OpenAI-compatible API. An application points its existing OpenAI client at the gateway, and Bifrost routes the request to whichever provider is configured, so switching models or spreading load across providers is a configuration change rather than a rewrite.

Envoy AI Gateway

Envoy AI GatewayAIOpen

Self-hosted AI gateway routing LLM traffic through Envoy

Stars2,182
Commitjust now
LicenseApache-2.0

Envoy AI Gateway is a self-hosted gateway that routes application traffic to 17 language model providers through one OpenAI-compatible API.

Alternative toLiteLLMBifrost
Proxed AI

Proxed AIAIOpen

Open-source proxy securing AI API keys in iOS apps with DeviceCheck

Stars8
Commitjust now
LicenseAGPL-3.0

Proxed AI is an open-source proxy that keeps AI API keys off iOS devices, checking each request with Apple DeviceCheck while adding rate limits and usage tracking.

LLM Gateway

LLM GatewayAIOpen

Open-source, OpenAI-compatible LLM gateway with cost and latency tracking

Stars2
Commit19d ago
LicenseMIT

LLM Gateway is an open-source gateway that puts OpenAI, Anthropic, and Gemini calls behind one OpenAI-compatible API. An application keeps its existing OpenAI client and points it at the gateway, so switching providers or spreading load across them is a configuration change rather than a rewrite.

Alternative toLiteLLMBifrost