AI Tools with API Access

Claude API (Anthropic)

★★★★★ Paid

Production-grade API for building applications powered by Claude models

DALL-E 3

★★★★☆ Freemium

OpenAI's image generator with natural language understanding and ChatGPT integration

OpenRouter

★★★★☆ Freemium

Unified API access to 300+ AI models from a single endpoint

Groq

★★★★☆ Freemium

AI inference at 10x the speed of GPU clouds - powered by custom LPU chips

Together AI

★★★★☆ Paid

High-performance open-source model inference and fine-tuning cloud

Cohere

★★★★☆ Freemium

Enterprise AI platform for search, summarization, and text generation via API

Deepgram

★★★★★ Freemium

High-accuracy speech-to-text API with real-time transcription and noise robustness

AssemblyAI

★★★★☆ Freemium

Speech AI API for transcription, summarization, topic detection, and audio intelligence

ElevenLabs

★★★★★ Freemium

Best-in-class AI voice synthesis for realistic speech and voice cloning

Play.ht

★★★★☆ Freemium

AI voice generator with 900+ voices and ultra-realistic voice cloning

Replicate

★★★★☆ Usage-Based

Run open-source AI models via API without managing infrastructure

Firecrawl

★★★★☆ Freemium

Turn any website into clean, LLM-ready data with one API call

Tavily

★★★★☆ Freemium

Search API purpose-built for AI agents that returns structured, relevant results

Google AI Studio

★★★★☆ Free

Google's free web-based IDE for prototyping with Gemini models and building AI apps