Best LLM APIs and inference

GPT-5.6, embeddings, image, and speech APIs — the default LLM API for most AI apps

Claude models API — 200K-token context, tool use, vision, and computer use for building production AI applications

Ultra-fast LLM inference API — run Llama, Mixtral, and Gemma at 500+ tokens/second on custom LPU hardware

Open-source LLM inference and fine-tuning API — run Llama, Mistral, and 100+ models with competitive pricing

Enterprise LLM API — embeddings, RAG, and generation with enterprise security, compliance, and private cloud deployment

GPT-5.6 family (Sol, Terra, Luna) — OpenAI's current generation for ChatGPT and the API

Anthropic's long-context AI assistant

Run thousands of open-source ML models via API — LLMs, image generation, audio, and video without GPU management

The AI community hub — 900K+ models, 200K+ datasets, Inference API, and Spaces for the open-source ML ecosystem

Run LLMs locally — pull and run Llama, Mistral, Gemma, and 100+ models with one command and OpenAI-compatible API

TypeScript AI SDK for React and Node — streaming, tool use, and multi-provider LLM integration with 1M+ npm downloads/week

Open-source LLM application framework — chains, agents, RAG, and 700+ integrations with 127K GitHub stars

Python RAG framework — connect LLMs to 160+ data sources with production-grade retrieval pipelines