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Velvet

Velvet made a developer gateway to analyze, evaluate, and monitor AI-powered features.

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Velvet built a developer gateway for analyzing, evaluating, and monitoring AI-powered features. The company was acquired by Arize in 2025, and its founders joined Arize to work on its unified AI platform.

12 alternatives to Velvet

Ranked by how well each tool replaces Velvet: shared features, audience, price and popularity.

  1. OpenRouter

    The unified interface for every model

    Covers 7 of 15 key features.

    Free planOpen source
    59 out of 100 matchFree

  2. Experiential Labs

    The open source AI gateway

    Covers 9 of 15 key features.

    Free planOpen source
    58 out of 100 match$20/mo

  3. DeepInfra

    AI Inference cloud for developers

    Covers 7 of 15 key features.

    Free plan
    57 out of 100 matchUsage-based

  4. Google Research

    Explore Our Latest Research in Science and AI.

    Covers 3 of 15 key features.

    Free plan
    57 out of 100 matchFree

  5. DeepSeek

    Into the Unknown

    Covers 1 of 15 key features.

    Open source
    56 out of 100 match—

  6. Novita AI

    AI & Agent Cloud for Developers

    Covers 5 of 15 key features.

    Free plan
    56 out of 100 matchUsage-based

  7. Mozilla.ai

    Open, transparent AI for real world impact. Built for developers, creators, and teams.

    Covers 5 of 15 key features.

    Open source
    56 out of 100 match—

  8. AI21 Labs

    AI Systems Built for the Enterprise

    Covers 3 of 15 key features.

    Free plan
    56 out of 100 matchUsage-based

  9. LiteLLM

    Open-source AI gateway that puts your AI stack behind one OpenAI-compatible key.

    Covers 9 of 15 key features.

    Free planOpen source
    56 out of 100 matchFree

  10. deepset

    The sovereign AI platform for agents.

    Covers 10 of 15 key features.

    Free planOpen source
    56 out of 100 matchFree

  11. Opper AI

    The European AI gateway for agents.

    Covers 3 of 15 key features.

    Free plan
    55 out of 100 matchContact sales

  12. Eden AI

    One API to route AI models from many providers

    Covers 8 of 15 key features.

    55 out of 100 matchUsage-based