Athina AI vs LangSmith
A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.
Athina AI Evaluation |  LangSmith Evaluation | |
|---|---|---|
| Tagline | Collaborative LLM evaluation and observability platform for teams shipping AI features to production. | LangChain's eval + observability platform. |
| Category | Evaluation | Evaluation |
| Pricing | Freemium· Starter free (10k logs/mo); Pro & Enterprise custom | Freemium· Developer: $0 · Plus: $39 · Enterprise: Custom pricing |
| Model | Multi-model | Platform (any LLM) |
| Editorial score | 8.1 / 10 | 8.7 / 10 |
| Use cases | llm-evaluationprompt-managementllm-observabilityproduction-monitoringdataset-experimentation | LLM tracingevalsLangChain integration |
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| Website | athina.ai | www.langchain.com |
Pick Athina AI if
- ✅ 50+ preset evals plus custom LLM-judge and Python evaluators
- ✅ Covers experimentation, evaluation, and production tracing in one workspace
- ✅ Free tier with 10k logs/month and unlimited prompts
- ✅ Roles for PMs, QA, data scientists, and engineers, not just devs
Pick LangSmith if
- ✅ Tight LangChain integration
- ✅ Strong tracing UX
- ✅ Mature dataset/eval flows
- ✅ Reasonable per-seat pricing