Agent Infrastructure

LangSmith

Observability, evaluation and tracing platform for LLM apps and agents.

CategoryAgent Infrastructure
PlatformsCloud
PricingFreemium
Official sitehttps://www.langchain.com/langsmith

Comparisons

LangSmith alternatives

Langfuse

Open-source LLM engineering platform: tracing, evals, prompt management.

AgentOps

Monitoring and session replay for AI agents.

E2B

Secure cloud sandboxes for running AI-generated code.

Browserbase

Headless browser infrastructure for AI agents.

Mem0

Memory layer for AI agents and assistants.

Composio

Tool integrations and auth layer for AI agents.

Tavily

Search API built for AI agents and RAG.

Get the weekly agent tools digest

New agent frameworks, MCP servers and coding agents, once a week. Free.

Subscribe free →