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7 tools21 comparisons

Best AI APIs Tools(2026)

Add AI capabilities to your applications with leading model providers. We compared 7tools so you don't have to.

O

OpenAI API

From $0.15/1M tokens (GPT-4o mini)

paid

Build AI-powered applications

GPT-4oAssistants APIFine-tuning
A

Anthropic Claude API

From $0.25/1M tokens (Claude Haiku)

paid

AI safety company and Claude model provider

200K context windowComputer useTool use
G

Groq

From $0.05/1M tokens

freemium

The fastest AI inference

Ultra-fast inference (500+ tokens/s)Llama 3Mistral
G

Google Gemini API

From $0 (free tier available)

freemium

Google's most capable AI model

Gemini 1.5 Pro (1M context)Multimodal (text + image + audio)Function calling
T

Together AI

From $0.20/1M tokens

paid

Fast and cheap open source model inference

50+ open modelsCustom fine-tuningOpenAI-compatible API
M

Mistral AI

From $0.25/1M tokens (Mistral Small)

freemium

Frontier AI built in Europe

Mistral Large 2Codestral (code model)Multilingual
C

Cohere

From $0.40/1M tokens (Command)

freemium

AI language models for enterprise

Command (generation)Embed (embeddings)Rerank

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