Detailed comparison across 10 dimensions
Winner: Langsmith
LangSmith clearly comes out ahead of Lumigo on Staquest's weighted six-dimension score. Both offer a free tier. Paid plans start at $39/mo for LangSmith and $119/mo for Lumigo.
| Overview | ||
|---|---|---|
| Type | ai tool | saas tool |
| Company | LangChain Inc. | Lumigo |
| Free Tier | ||
| Has API | ||
| Open Source | ||
| Learning Curve | - | - |
| Integration | - | - |
| Trending | Stable | Stable |
| GitHub Stars | - | - |
| Industries | DevelopmentMarketingAI & Machine LearningSaaS & Cloud | DevelopmentSaaS & Cloud |
| Categories | observability-apmai-chatbotai-agents-frameworks | observability-apm |
| Website | Visit | Visit |
Langsmith
freemium
per seat
custom
freemium
flat
flat
custom
| Feature | langsmith | lumigo |
|---|---|---|
| 1 Free Dev-Sized Deployment | ||
| 100Gb/Mo Log Volume | ||
| 1 Seat | ||
| 14 Day Trace Retention | ||
| 10,000 Base Traces/Month Included Per Seat | ||
| 150K Traces | ||
| 5,000 Base Traces/Month Included | ||
| 1M Traces | ||
| Access To Langsmith (Tracing, Evaluation, Prompt Hub, Playground, Canvas, Annotation Queues) | ||
| 30 Days Log Retention | ||
| Advanced Administration And Authentication | ||
| 40Gb/Mo Log Volume | ||
| Annual Invoicing Options | ||
| 5Gb/Mo Log Volume | ||
| Collaboration Features (Multiple Workspaces) | ||
| 5M Traces | ||
| Custom Deployment Options (Including Byoc And Self-Hosting) | ||
| 7 Days Log Retention | ||
| Dedicated Support | ||
| Ai Rca, Ai Insights, Ai Issue Triage | ||
| Enhanced Rate Limits And Throughput | ||
| Copilot (Advanced) | ||
| Includes All Developer Features | ||
| Copilot In Slack & Teams | ||
| Unlimited Seats | ||
| Custom Log Retention | ||
| Custom Log Volume | ||
| Custom Metric Retention | ||
| Custom Metric Volume | ||
| Custom Number Of Traces |
Showing 30 of 30 features
Dashes mean the feature isn't listed in our data. The tool may still support it.
On Staquest's weighted six-dimension scoring, LangSmith comes out ahead overall, though Lumigo can be the better fit depending on your priorities — see the dimension-by-dimension breakdown above.
LangSmith's paid plans start at $39/mo and Lumigo's start at $119/mo, so LangSmith is the lower entry price. Check the pricing comparison for higher tiers and per-seat costs.
Both LangSmith and Lumigo offer a free tier.
LangSmith scores higher on pricing value in Staquest's analysis. It is the highest-weighted dimension in this comparison.