AI Tools Directory

    Discover the tools behind real AI build, eval, and deployment workflows.

    Browse by role in the stack, not just by vendor. Compare fit here, then open a tool detail page when it earns deeper inspection.

    Open My AI StackBrowse Agent Capabilities

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    Narrow the directory by what the tool does in the workflow.

    All Tools468Models887Environment6Action Space411Observation19Reward / Eval10Policy Serving36Training Infra5Safety / Guardrails7Orchestration16

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    887 results in the directory

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    ModelsOpenAIPROPRIETARY

    GPT-5 Mini

    OpenAI model · gpt-mini

    Usage-basedInspect tool
    ModelsOpenRouterFREEMIUM

    GPT-5 Nano

    OpenRouter model · gpt-nano

    Usage-basedInspect tool
    ModelsOpenCodeOpen Source

    GPT-5 Nano

    OpenCode model · gpt-nano

    Free (open source)Inspect tool
    ModelsOpenAIPROPRIETARY

    GPT-5 Nano

    OpenAI model · gpt-nano

    Usage-basedInspect tool
    ModelsAzureFreemium

    GPT-5 Nano

    Azure model · gpt-nano

    Pay-as-you-goInspect tool
    ModelsNvidiaPROPRIETARY

    Qwen Image

    Nvidia model · qwen

    Usage-basedInspect tool
    ModelsNovita AIOpen source

    OpenAI GPT OSS 120B

    Novita AI model · gpt

    Free (OSS)Inspect tool
    ModelsNovita AIOpen source

    OpenAI: GPT OSS 20B

    Novita AI model · gpt

    Free (OSS)Inspect tool
    ModelsHeliconeOpen Source

    Anthropic: Claude Opus 4.1

    Helicone model · claude-opus

    FreemiumInspect tool
    ModelsHeliconeOpen Source

    Anthropic: Claude Opus 4.1 (20250805)

    Helicone model · claude-opus

    FreemiumInspect tool
    ModelsOpenRouterFREEMIUM

    Claude Opus 4.1

    OpenRouter model · claude-opus

    Usage-basedInspect tool
    ModelsOpenCodeOpen Source

    Claude Opus 4.1

    OpenCode model · claude-opus

    Free (open source)Inspect tool

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