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Rewind.ai

Free tier

Every AI tool, completely free — 400+ models in one place

Free tier available·All audiences·Powered by Multiple (Qwen, FLUX, Wan, Kokoro, Whisper, Llama, DeepSeek, GPT-4o, Claude, Gemini)·API available

Key strengths

400+ AI tools across 18 categories in a single platformGenuinely free tier with no credit card required and commercial use allowedOpenAI-compatible REST API for developer access to all modelsCovers chat, image, video, voice, music, code, writing, and moreSupports 100+ languages with 200+ translation language pairs
Free tier + paid plans · from $5 USD/mo
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Developer API — Rewind.ai

Authentication & Base URL

All API requests require a Bearer token. Generate your API key from your free account dashboard.

Base URL: https://api.rewind.ai/v1/

Chat Completions (OpenAI-Compatible)

The API follows the OpenAI chat completions schema, making it a drop-in replacement for existing OpenAI integrations.

curl -X POST https://api.rewind.ai/v1/chat/completions/ \
  -H "Authorization: Bearer sk-rewind-..." \
  -H "Content-Type: application/json" \
  -d '{
    "model": "qwen/qwen-2.5-7b-instruct",
    "messages": [{"role": "user", "content": "Hello"}],
    "stream": true
  }'

Key Parameters

ParameterTypeDescription
modelstringModel identifier (e.g. qwen/qwen-2.5-7b-instruct, deepseek/deepseek-r1)
messagesarrayChat history in OpenAI message format
streambooleanEnable server-sent event streaming

Available Model Categories

  • Chat/Code: Qwen 3 Coder, Llama 3, DeepSeek R1, GPT-4o, Claude, Gemini
  • Image: FLUX, Seedream
  • Video: Wan 2.6, Seedance
  • TTS: Kokoro (174 voices, 37 languages)
  • STT: Whisper
  • Music: ACE-Step

Pricing

Token-based. Free tier: 5K tokens/day. Paid plans from $5/mo. Full documentation available at /api/.