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OneProvider

Claude, GPT, Gemini and more · One API key

One key for production AI models.

Use Claude, GPT, Gemini, DeepSeek and other models through Anthropic-compatible and OpenAI-compatible APIs. Keep one prepaid balance and pay as you go.

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Featured Claude models

A truthful, curated model showcase

These featured Claude cards stay stable even when an upstream catalogue is stale.

  • Frontier

    Fable 5

    Frontier multimodal Anthropic model available through the Universal catalog.

    1M context

  • Flagship

    Claude Opus 5

    Current Opus generation for maximum reasoning capability.

    1M context

  • Balanced

    Claude Sonnet 5

    Production Anthropic model available through the Universal catalog.

    1M context

  • Speed

    Claude Haiku 4.5 20251001

    Production Anthropic model available through the Universal catalog.

    200K context