Alternatives

Best OpenAI API alternatives

10 tools similar to OpenAI API, ranked by how closely they match what it does among ai infrastructure. All 10 have a free option.

OpenAI API alternatives at a glance

Tool	Pricing	Compare
OpenAI API(this tool)	Freemium
Together AI	Freemium	vs OpenAI API
Hugging Face	Freemium · from $20/mo	vs OpenAI API
Vercel AI SDK	Free	vs OpenAI API
Replicate	Freemium
Groq	Freemium
Ollama	Freemium · from $20/mo
fal.ai	Freemium · from $1.89/mo
Rewind.ai	Freemium · from $5/mo
LiveKit	Freemium · from $50/mo
Open WebUI	Freemium

Top 10 alternatives to OpenAI API

Together AI

Free

AI infrastructure

The AI Native Cloud — full-stack platform for inference, compute, and model shaping

Usage-based pricing for serverless inference (per token), batch inference, provisioned throughput (token-based capacity with SLAs), dedicated model inference, and dedicated container inference. GPU compute clusters also available.

GPU ClustersModel LibraryInference APIsFine-tuning+1

Free tierDevAPI

Open-source models (e.g., DeepSeek, Gemma, Llama, Qwen, GLM, MiniMax, Kimi)Popular

Hugging Face

Free

AI infrastructure

The GitHub of AI — host, share, and run models with 500K+ models, datasets, and Spaces.

Team & Enterprise starting at $20/user/month; GPU compute starting at $0.60/hour for Inference Endpoints

GitHubDiscordPyTorchTensorFlow

Free tierDevAPIOSSSelf-host

Community (various)162k10M+ users

Vercel AI SDK

Free

AI infrastructure

TypeScript toolkit for building streaming AI chat apps with React and multiple LLM providers

Free · AI Gateway available

ReactNext.jsVueSvelte+1

FreeDevAPIOSSSelf-host

Multi-provider (100+ models via Vercel AI Gateway)27k10M+ users

Replicate

Free

AI infrastructure

Run open-source AI models in the cloud via a simple API — images, video, audio, and LLMs.

Free tier available

Node.jsPythonHTTP

Free tierDevAPIOSS

Various (open-source)Popular

Groq

Free

AI infrastructure

Fast, low-cost AI inference powered by custom LPU silicon

Free API key available; see pricing page for details

OpenAIDiscordDocs API

Free tierEveryoneAPI

Groq (third-party models hosted on LPU infrastructure)Popular

Ollama

Free

AI infrastructure

The easiest way to build and run open-source AI models locally

Free tier · Pro $20/mo or $200/yr · Max $100/mo

OpenClawClaude

Free tierEveryoneAPIOSSSelf-host

Open-source models (Llama, Mistral, Gemma, etc.)Popular

fal.ai

Free

AI infrastructure

Generative media platform for developers — run 1,000+ image, video, audio & 3D models at lightning speed.

Serverless: pay-per-output · Compute: from $1.89/hr for H100s

PythonJavaScriptAPI

Free tierDevAPI

Multiple (FLUX, Kling, Seedance, Veo, Ideogram, and 1,000+ others)10M+ users

Rewind.ai

Free

Chat assistants

Every AI tool, completely free — 400+ models in one place

Free (5K tokens/day) · $5/mo (200K) · $19/mo (1M) · $49/mo (5M)

OpenAIGPT-4ClaudeGemini+3

Free tierEveryoneAPI

Multiple (Qwen, FLUX, Wan, Kokoro, Whisper, Llama, DeepSeek, GPT-4o, Claude, Gemini)Popular

LiveKit

Free

AI infrastructure

The open source framework and cloud platform for voice, video, and physical AI agents

Free tier ($0/mo, 1,000 free agent session minutes/month); Ship plan starting at $50/mo; Scale plan starting at $500/mo; Enterprise with custom pricing. Usage-based pricing per minute for agent sessions, telephony, LLM, STT, TTS, and observability.

GitHubSlack

Free tierDevAPIOSSSelf-host

15kGrowing

Open WebUI

Free

Chat assistants

The freedom AI stack — run any model, on your own terms, without compromise.

Free · Enterprise options available

OllamaOpenAIAnthropic

Free tierEveryoneAPIOSSSelf-host

Any (Ollama, OpenAI, Anthropic, or any OpenAI-compatible endpoint)141kPopular

Free OpenAI API alternatives

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