OpenAI API alternatives in 2026: 24 tools like OpenAI API

Closest: Hosted Model APIs

Anthropic API

APIs for Claude language models

Curated

1 use thisCompare with OpenAI API
fal

Generative media platform: 1,500+ image, video and audio models behind one API

CuratedWeb

1 use thisCompare with OpenAI API
Google Gemini API

Direct API access to Gemini models via AI Studio

CuratedWeb

1 use thisCompare with OpenAI API
Mistral API

API access to Mistral models via La Plateforme

Curated

1 use thisCompare with OpenAI API
Wiro

One API for 1,000+ image, video, audio and language models

CuratedWeb

1 use thisCompare with OpenAI API
AWS Bedrock

AWS managed service for foundation models from Anthropic, Meta, and Mistral

CuratedWeb

0 use thisCompare with OpenAI API
Cerebras Inference

LLM inference API and cloud running on Cerebras wafer-scale hardware

Curated

0 use thisCompare with OpenAI API
DeepInfra

Hosted inference API for open models

Curated

0 use thisCompare with OpenAI API
GroqCloud

Ultra-low-latency LPU inference API for open models

Curated

0 use thisCompare with OpenAI API
inference.net

Hosting, fine-tuning and monitoring for open and custom language models

CuratedWeb

0 use thisCompare with OpenAI API
Prodia

Inference API for image and video generation, tuned across GPUs and AI chips

CuratedWeb

0 use thisCompare with OpenAI API
Replicate

Run open-source ML models via API

Curated

0 use thisCompare with OpenAI API
Together AI

Cloud platform for running open-source models

CuratedWeb

0 use thisCompare with OpenAI API
Zyphra Cloud

AMD-based inference cloud for open models and long-horizon agents

CuratedWeb

0 use thisCompare with OpenAI API

More in LLM Gateways & APIs

Cloudflare AI Gateway

Caching, rate limiting, retries, and fallback across AI providers

Curated

1 use thisCompare with OpenAI API
LiteLLM

Unified API gateway for 100+ LLM providers

Curated

1 use thisCompare with OpenAI API
AI21 Gateway

Drop-in endpoint that cuts token cost for coding and other agents

Curated

0 use thisCompare with OpenAI API
LLM Gateway

Open-source LLM gateway: one API key for 250+ models, cost tracking, failover

CuratedWeb

0 use thisCompare with OpenAI API
Martian

Intelligent LLM router for cost and performance optimization

CuratedWeb

0 use thisCompare with OpenAI API
OpenRouter

Unified interface for frontier AI models

CuratedWeb

0 use thisCompare with OpenAI API
PortKey

AI gateway with observability and fallback routing

CuratedWeb

0 use thisCompare with OpenAI API
Vercel AI Gateway

Gateway for routing requests to models from many providers

Curated

0 use thisCompare with OpenAI API
Featherless

Serverless API for running thousands of open-weight models from Hugging Face

CommunityWeb

0 use thisCompare with OpenAI API
WaveSpeedAI

Fast hosted APIs for image, video and audio generation models

CommunityWeb

0 use thisCompare with OpenAI API

Questions

What are the closest alternatives to OpenAI API?

Anthropic API, fal and Google Gemini API sit on the same sub-line as OpenAI API (Hosted Model APIs) on AI Landscape, with 11 more.

How are these alternatives chosen?

They are the other products on the LLM Gateways & APIs stop of the map: curated products first, the ones on OpenAI API's sub-line before the rest, then by name until members have marked enough of them.