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

    Browse tools

    887 results in the directory

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    ModelsHeliconeOpen Source

    Zai GLM-4.6

    Helicone model · glm

    FreemiumInspect tool
    ModelsNvidiaOpen source

    Gemma 2 2b It

    Nvidia model

    Free (OSS)Inspect tool
    ModelsNvidiaOpen source

    Llama 3.1 70b Instruct

    Nvidia model

    Free (OSS)Inspect tool
    ModelsHeliconeOpen Source

    xAI Grok 4

    Helicone model · grok

    FreemiumInspect tool
    ModelsHeliconeOpen Source

    Meta Llama 3.1 8B Instant

    Helicone model · llama

    FreemiumInspect tool
    ModelsMistralOpen source

    Mistral Nemo

    Mistral model · mistral-nemo

    Free (OSS)Inspect tool
    ModelsOpenRouterOpen source

    Gemma 2 9B (free)

    OpenRouter model · gemma

    Free (OSS)Inspect tool
    ModelsNovita AIOpen source

    Hermes 2 Pro Llama 3 8B

    Novita AI model · llama

    Free (OSS)Inspect tool
    ModelsOpenAIPROPRIETARY

    o3-deep-research

    OpenAI model · o

    Usage-basedInspect tool
    ModelsOpenAIPROPRIETARY

    o4-mini-deep-research

    OpenAI model · o-mini

    Usage-basedInspect tool
    ModelsHeliconeOpen Source

    Google Gemma 2

    Helicone model · gemma

    FreemiumInspect tool
    ModelsAmazon BedrockCOMMERCIAL

    Claude Sonnet 3.5

    Amazon Bedrock model · claude-sonnet

    FreemiumInspect tool

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