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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

Stack layer

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

All Tools467Models886Environment6Action Space411Observation19Reward / Eval10Policy Serving35Training Infra5Safety / Guardrails7Orchestration16

Browse tools

886 results in the directory

Suggest a tool
ModelsHeliconeOpen Source

Google Gemini 3 Pro Preview

Helicone model · gemini-pro

FreemiumInspect tool
ModelsNovita AIOpen source

Skywork R1V4-Lite

Novita AI model · skywork

Free (OSS)Inspect tool
ModelsHeliconeOpen Source

xAI Grok 4.1 Fast Non-Reasoning

Helicone model · grok

FreemiumInspect tool
ModelsHeliconeOpen Source

xAI Grok 4.1 Fast Reasoning

Helicone model · grok

FreemiumInspect tool
ModelsAzureFreemium

GPT-5.1

Azure model · gpt

Pay-as-you-goInspect tool
ModelsAzureFreemium

GPT-5.1 Chat

Azure model · gpt-codex

Pay-as-you-goInspect tool
ModelsAzureFreemium

GPT-5.1 Codex

Azure model · gpt-codex

Pay-as-you-goInspect tool
ModelsAzureFreemium

GPT-5.1 Codex Mini

Azure model · gpt-codex

Pay-as-you-goInspect tool
ModelsGitHub CopilotPaid

GPT-5.1

GitHub Copilot model · gpt

FreemiumInspect tool
ModelsOpenAIPROPRIETARY

GPT-5.1

OpenAI model · gpt

Usage-basedInspect tool
ModelsOpenRouterFREEMIUM

GPT-5.1

OpenRouter model · gpt

Usage-basedInspect tool
ModelsOpenCodeOpen Source

GPT-5.1

OpenCode model · gpt

Free (open source)Inspect tool

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