LLM APIs

OpenAI · Anthropic · Groq · 11 tools tracked

Excellent

OpenAI API

The most widely used LLM API. Powers GPT-4o and o1 models with best-in-class reasoning, vision, and structured outputs. Largest ecosystem of tutorials, integrations, and community support.

TypeScriptPythonREST

Compare:vs Anthropic API

Excellent

Anthropic API

Claude's family of models leads on coding, analysis, and long-context tasks with a 200k token context window. Known for lower hallucination rates and nuanced instruction following.

TypeScriptPythonREST

Compare:vs OpenAI API

Strong

Groq API

The fastest LLM inference API available. Groq's LPU hardware delivers 10-20x faster token generation than GPU-based providers, making it ideal for latency-sensitive applications.

TypeScriptPythonREST

Compare:vs OpenAI API vs Anthropic API +1

Strong

Vercel AI SDK

Unified TypeScript SDK for building AI-powered streaming UIs with any LLM provider — OpenAI, Anthropic, Google, and more.

TypeScriptReactStreaming

Compare:vs OpenAI API vs Anthropic API +1

Strong

Google Gemini API

Google's Gemini models offer best-in-class multimodal reasoning, a 2M token context window, and generous free tier via Google AI Studio.

TypeScriptPythonMultimodal

Compare:vs OpenAI API vs Anthropic API +1

Strong

Ollama

Run large language models locally on your own machine with a simple CLI and REST API — no cloud, no data sharing.

GoLocalOpen Source

Compare:vs OpenAI API vs LiteLLM +1

Strong

Mistral API

European AI company offering high-quality open-weight models via API. Mistral models excel at code and reasoning with competitive pricing and EU data residency options.

TypeScriptPythonREST

Compare:vs OpenAI API vs Anthropic API +1

Strong

LiteLLM

Single Python interface and proxy server for 100+ LLM providers — call any model with the OpenAI SDK format.

PythonOpen SourceMulti-provider

Compare:vs Vercel AI SDK vs OpenRouter +1

Good

Cohere

Enterprise-focused AI platform specializing in text understanding, embeddings, and RAG. Cohere's Embed and Rerank models are industry-leading for production search and retrieval.

TypeScriptPythonREST

Compare:vs OpenAI API vs Anthropic API +1

Good

OpenRouter

Unified API gateway to 200+ LLMs with automatic fallbacks, cost routing, and a single API key — drop-in OpenAI SDK compatible.

TypeScriptMulti-providerPaid

Compare:vs LiteLLM vs OpenAI API +1

Good

Together AI

Cloud platform for running open-source AI models at scale. Together AI hosts 100+ models including Llama, Mistral, and FLUX with fast inference and OpenAI-compatible API.

TypeScriptPythonREST

Compare:vs OpenAI API vs Groq API +1

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