LangWatch vs PromptLayer
LangWatchAI Observability
From EUR 59 / moPublished price
PromptLayerPrompt Engineering Tools
From $50 / seat / moPublished price
LangWatch AI Observability Observability and evaluations for AI apps. | PromptLayer Prompt Engineering Tools Prompt engineering, evals, and observability for production AI. | |
|---|---|---|
| Overview | ||
| Category | AI Observability | Prompt Engineering Tools |
| What it is | LangWatch helps teams monitor prompts, traces, and quality signals across production LLM applications and agent workflows. | PromptLayer is a platform for prompt management, AI observability, evaluation workflows, and release control across LLM apps and agent systems. |
| Pricing | ||
| Published price | From EUR 59 / mo LangWatch offers free evaluation access and paid observability plans starting at EUR 59 per month. | From $50 / seat / mo Free tier ($0) with up to ~5,000 requests and 7-day log retention. Pro is $50/user/mo with unlimited log retention and advanced features. Enterprise is custom-quoted, adding SSO/R… |
| Pricing model | Tiered plans | Tiered plans |
| Free options | Free plan · Free trial | Free plan · No free trial |
| Deal on Cubbie | None right now | None right now |
| Company | ||
| Founded | 2023 | 2021 |
| Team size | 1-10 employees | Not available |
| Headquarters | Amsterdam, Netherlands | New York City, NY |