Stay free if you only need 5,000 base traces/month and tracing and debugging. Upgrade if you need custom trace volumes and hybrid/self-hosted options. Most solo builders can start free.
Why it matters: Primarily designed for LangChain applications (limited framework support)
Available from: Plus
Why it matters: Steep pricing jump from Plus to Enterprise tier
Available from: Plus
Why it matters: Pay-as-you-go model can become expensive for high-volume applications
Available from: Plus
Why it matters: Enterprise features require annual contracts
Available from: Plus
Why it matters: 14-day retention on base traces may be insufficient for some use cases
Available from: Plus
Why it matters: Advanced feature not available in free plan.
Available from: Plus
The free plan covers basic analytics & monitoring needs. For professional use with advanced features and higher limits, consider upgrading to a paid plan.
Check the comparison above for the most affordable paid tier that includes premium features beyond the free plan limitations.
Many tools offer free trials of paid tiers. Visit LangSmith's website to check current trial offerings and duration.
Most tools allow downgrades, but you may lose access to paid features and data. Check LangSmith's policy before upgrading.
Start with the free plan — upgrade when you need more.
Get Started Free →Still not sure? Read our full verdict →
Last verified March 2026