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← LangSmith

Alternatives

LangSmith alternatives

LangSmith provides tracing, monitoring, and evaluation for LLM applications and AI agents. Here are 24 similar tools on DevHunt, starting with the closest matches.

Quick answerThe closest LangSmith alternative is Moda, for AI agent production monitoring. Pick Better Stack for general app uptime, or Datadog for full-stack cloud monitoring.

At a glance

4 closest to LangSmith
ToolBest forPricingVotesComparison
ModaAI agent production monitoringPaid—vs LangSmith →
Better StackGeneral app uptimePaid—vs LangSmith →
DatadogFull-stack cloud monitoringPaid—vs LangSmith →
New RelicApp & infra observabilityPaid—vs LangSmith →

How to choose

  • For AI agent production monitoring: Moda (paid)
  • For general app uptime: Better Stack (paid)
  • For full-stack cloud monitoring: Datadog (paid)
  • For app & infra observability: New Relic (paid)
  • For LLM app observability: LangSmith itself

Closest alternatives

compared with LangSmith
  • Moda▲ 0 · Subscription

    Moda focuses on production monitoring and evals for AI agents, while LangSmith adds full tracing, SmithDB query engine and self-hosted deployment options. LangSmith vs Moda →

  • Better Stack▲ 0 · Subscription

    Better Stack provides general uptime, logs and incident tracking, not specialized LLM trace analysis. LangSmith vs Better Stack →

  • Datadog▲ 0 · Subscription

    Datadog offers broad cloud-app observability but lacks built-in LLM agent tracing and eval features. LangSmith vs Datadog →

  • New Relic▲ 0 · Subscription

    New Relic is an observability platform for apps and infrastructure, not tailored to LLM agent pipelines. LangSmith vs New Relic →

More Monitoring tools

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  3. 3🪢 Langfuse🪢 Langfuse · Open Source Observability & Analytics for LLM Apps 🕵️‍♂️89
  4. +your ad here · $99/weekopen spot
  5. 4ServBayServBay · The next generation Web development environment63
  6. 5KeelKeel · The backend for your apps, the tools for your teams46
  7. 6groundcovergroundcover · Observability, for the Cloud.39
  8. 7OpenObserveOpenObserve · Open source observability built for petabyte scale39
  9. 8DrumbeatsDrumbeats · Never miss a beat! Unified monitoring for cron jobs, workers, and uptime.37
  10. 9LAN OrangutanLAN Orangutan · Try our new network scanner with full Tailscale support!35
  11. 10PullNotifierPullNotifier · The most efficient PR notifications on Slack ⚡️33
  12. 11IndieHubIndieHub · Explore the best tools to help you ship your next application faster and better.32
  13. +your ad here · $99/weekopen spot
  14. 12EventSendEventSend · Track your app's events in a searchable feed, route them to Slack, phone or webhook.32
  15. 13LAN SheriffLAN Sheriff · Nothing leaves town unnoticed 🤠 Every server your devices talk to, live on a world map. Self-hosted, open source, zero config.32
  16. 14HookdeckHookdeck · A reliable event gateway for event-driven applications30
  17. 15CapMonster Cloud MCPCapMonster Cloud MCP · MCP server that lets AI agents solve CAPTCHAs29
  18. 16Domain DiggerDomain Digger · Full open-source toolkit for next-level domain analysis27
  19. 17OctomindOctomind · End-to-end tests easy to build, easier to maintain26
  20. 18Syrin - Static Contract Analysis for MCP ServersSyrin - Static Contract Analysis for MCP Servers · Catch MCP failures before the agent does24
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FAQ

What is the best alternative to LangSmith?+

The closest LangSmith alternatives are Moda (AI agent production monitoring), Better Stack (general app uptime) and Datadog (full-stack cloud monitoring). New Relic is also close. Each one links to a side-by-side comparison with LangSmith.

What is the best free alternative to LangSmith?+

None of the closest LangSmith alternatives are free, but Pulsetic, Automock and groundcover are free Monitoring tools on DevHunt.

Is there an open source alternative to LangSmith?+

Among similar Monitoring tools on DevHunt, Automock, Langfuse and Keel are open source.

What is LangSmith used for?+

LangSmith provides tracing, monitoring, and evaluation for LLM applications and AI agents. Common uses: debugging a multi-turn agent to locate latency spikes, monitoring production agents for cost overruns and error rates and automatically clustering trace data to discover common failure modes.

Is LangSmith free?+

LangSmith has a free tier and paid plans.