Side by side
Cognifity Verdict vs LangSmith
Both stand on llm monitoring. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxMacWeb+1
Visit Cognifity Verdict 
Free plan APILinuxMac+3
LangSmith combines agent evaluation with prompt tools and observability, including cost and trajectory tracking. Teams should account for trace-retention limits and the pay-as-you-go structure when comparing plans.
Visit LangSmithThe facts
| Cognifity Verdict | LangSmith | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | No |
| Runs on | Linux, Mac, Web, Windows | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Not published | See the plans |
| Plans published | None | 3 |
| Maker | Not published | Not published |
| Website | cognifity.ai | langchain.com |
| On llm monitoring | #20 of 26 | #16 of 26 |
Cognifity Verdict: what it does well
LangSmith: what it does well
- Offline and real-time evaluation options
- Human, heuristic, LLM, pairwise, and custom evaluators
- Tracing includes cost tracking and trajectory monitoring
- Free Developer plan with up to 5k base traces monthly
- Enterprise offers self-hosted and hybrid deployment
What to know first
- Base traces have 14-day retention
- Extended 180-day retention costs extra
- Developer includes one seat and community support
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