🔧 AI Tools Directory
Browse AI tools, assistants, frameworks, and infrastructure in one directory
4 tools found
AgentOps
AgentOps review: developer observability for tracing, replaying, debugging, securing, and monitoring AI-agent sessions, tool calls, token use, and cost.
Freemium
Arize Phoenix
Arize Phoenix is an open-source AI observability and evaluation platform for tracing, testing, and improving LLM applications and agents.
Free open-source (Elastic License 2.0); hosted Arize Cloud tier; enterprise Arize AX
Langfuse
An open-source observability and evaluation platform for language-model applications.
Free tier + Cloud plans from $29/month
LangSmith
LangSmith is LangChain's commercial observability, evaluation and prompt management platform for LLM apps and agents in production.
Free Developer tier; Plus $39/user/month; Enterprise custom
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