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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    ModelsAzureFreemium

    GPT-4.1 nano

    Azure model · gpt-nano

    Pay-as-you-goInspect tool
    ModelsHeliconeOpen Source

    OpenAI GPT-4.1

    Helicone model · gpt

    FreemiumInspect tool
    ModelsHeliconeOpen Source

    OpenAI GPT-4.1 Mini

    Helicone model · gpt-mini

    FreemiumInspect tool
    ModelsHeliconeOpen Source

    OpenAI GPT-4.1 Mini

    Helicone model · gpt-mini

    FreemiumInspect tool
    ModelsHeliconeOpen Source

    OpenAI GPT-4.1 Nano

    Helicone model · gpt-nano

    FreemiumInspect tool
    ModelsNvidiaOpen source

    Llama 3.1 Nemotron Nano VL 8B v1

    Nvidia model · nemotron

    Free (OSS)Inspect tool
    ModelsNvidiaOpen source

    Llama 3.1 Nemotron Ultra 253B

    Nvidia model · nemotron

    Free (OSS)Inspect tool
    ModelsNvidiaOpen source

    Llama 3.3 Nemotron Super 49B v1

    Nvidia model · nemotron

    Free (OSS)Inspect tool
    ModelsNovita AIOpen source

    Llama 4 Maverick Instruct

    Novita AI model · llama

    Free (OSS)Inspect tool
    ModelsNovita AIOpen source

    Llama 4 Scout Instruct

    Novita AI model · llama

    Free (OSS)Inspect tool
    ModelsAzureOpen source

    Llama 4 Maverick 17B 128E Instruct FP8

    Azure model · llama

    Free (OSS)Inspect tool
    ModelsAmazon BedrockOpen source

    Llama 4 Maverick 17B Instruct

    Amazon Bedrock model · llama

    Free (OSS)Inspect tool

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