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OpenRouter

Chatbot

One API for every AI model

4.5(1,200)
Freemium · from Pay per use

About OpenRouter

OpenRouter provides a unified API that gives you access to GPT-4, Claude, Gemini, Llama, Mixtral, and dozens more models — one key, one format, pay only for what you use.

Key Features

  • Unified API for all models
  • Pay-per-use pricing
  • Model comparison
  • Automatic fallbacks
  • Usage analytics

Pros & Cons

Pros

  • Access all models with one key
  • Fair pay-per-use pricing
  • Good fallback system
  • Active community

Cons

  • Adds latency
  • Markup over direct API
  • Free models are slow
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Plans start from Pay per use.

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