Vendor 1
LangSmithAI Observability
LangSmith is LangChain's platform for debugging, testing, evaluating, and monitoring LLM applications and agent workflows.
$39+ / seat / monthPriceNo reviewsRating2023Founded
LangSmith vs LangWatch
Vendor decision canvas
Vendor 2
LangWatchAI Observability
LangWatch helps teams monitor prompts, traces, and quality signals across production LLM applications and agent workflows.
$66.12+ / monthPriceNo reviewsRating2023Founded
Carry this decision forward
LangSmith + LangWatch can move into a shared evaluation.
Evidence sheet
2-vendor view| Vendor 1 LangSmith AI Observability Debug, test, and monitor LLM apps. | Vendor 2 LangWatch AI Observability Observability and evaluations for AI apps. | |
|---|---|---|
| Overview | ||
| Category | AI Observability | AI Observability |
| What it is | LangSmith is LangChain's platform for debugging, testing, evaluating, and monitoring LLM applications and agent workflows. | LangWatch helps teams monitor prompts, traces, and quality signals across production LLM applications and agent workflows. |
| Pricing | ||
| Price | $39+ / seat / month | $66.12+ / month |
| Pricing model | Tiered plans | Tiered plans |
| Free options | Free plan, Free trial | Free plan, Free trial |
| Company | ||
| Founded | 2023 | 2023 |
| Team size | 201-500 employees | 1-10 employees |
| Headquarters | San Francisco, CA | Amsterdam, Netherlands |
Where these sit in AI Observability
- LangSmith$39 / month
- LangWatch$66.12 / month
- AI Observability median$79.5 / month
Typical monthly range: $39.25–$186.75 per seat. 32% are priced on request.
See the whole AI Observability market