Who supports which standard

272 vendors · 18 standards

Who offers an OpenAI-compatible API?

Supported by 43 of 272 vendors

An endpoint that accepts OpenAI SDK requests, so switching providers is a base URL and a key.

EndpointSep 25, 2026
Aleph Alpha
Aleph Alpha serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Alibaba Cloud
Alibaba Cloud serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Anthropic
Anthropic serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Anyscale
Anyscale serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Arcee AI
Arcee AI serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
AWS
AWS serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Baseten
Baseten serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Cerebras
Cerebras serves an OpenAI-compatible API, per its own documentation.
EndpointOct 8, 2026
Cloudflare
Cloudflare serves an OpenAI-compatible API, per its own documentation.
EndpointOct 8, 2026
Cohere
Cohere serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Crusoe
Crusoe serves an OpenAI-compatible API, per its own documentation.
EndpointOct 8, 2026
Databricks
Databricks serves an OpenAI-compatible API, per its own documentation.
EndpointOct 8, 2026
DeepSeek
DeepSeek serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
DigitalOcean
DigitalOcean serves an OpenAI-compatible API, per its own documentation.
EndpointOct 8, 2026
Fireworks AI
Fireworks AI serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Google Cloud
Google Cloud serves an OpenAI-compatible API, per its own documentation.
EndpointOct 8, 2026
Groq
Groq serves an OpenAI-compatible API, per its own documentation.
EndpointOct 8, 2026
Hugging Face
Hugging Face serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
LM Studio
LM Studio serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Manus
Manus serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Meta
Meta serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Microsoft
Microsoft serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Modular
Modular serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Moonshot AI
Moonshot AI serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Nebius
Nebius serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Nvidia
Nvidia serves an OpenAI-compatible API, per its own documentation.
EndpointOct 8, 2026
Ollama
Ollama serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
OpenPipe
OpenPipe serves an OpenAI-compatible API, per its own documentation.
EndpointOct 8, 2026
OpenRouter
OpenRouter serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Perplexity
Perplexity serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Pinecone
Pinecone serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Positron
Positron serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Prime Intellect
Prime Intellect serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Reka
Reka serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Runpod
Runpod serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Sail Research
Sail Research serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
SambaNova
SambaNova serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Smallest.ai
Smallest.ai serves an OpenAI-compatible API, per its own documentation.
EndpointOct 8, 2026
SpaceXAI
SpaceXAI serves an OpenAI-compatible API, per its own documentation.
EndpointOct 8, 2026
Together AI
Together AI serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Vercel
Vercel serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
vLLM
vLLM serves an OpenAI-compatible API, per its own documentation.
EndpointSep 25, 2026
Z.ai
Z.ai serves an OpenAI-compatible API, per its own documentation.
About OpenAI-compatible API

An endpoint that accepts OpenAI SDK requests, so switching providers is a base URL and a key.

Server: the vendor documents an OpenAI-compatible endpoint for its models. Evidence: the vendor's own documentation naming it, with the sentence kept, or the specification project's adopter page.

Issued by De facto standard set by OpenAI's Chat Completions API. Also searched as OpenAI compatible API providers, OpenAI SDK compatibility.

Also in Model APIs and runtimes: ONNX