# LangWatch

> Evaluate and monitor AI application behavior.

LangWatch helps users evaluate and monitor AI application behavior. Its main capabilities include agent testing, evaluations and simulations, observability. Practical starting points include evaluate an agent before release and monitor application quality over time. Use representative test cases and verify metric interpretation.

## Quick facts

- Categories: Developer Tools
- Official site: https://langwatch.ai/
- Last checked: 2026-09-25

## Key features

- Agent testing
- Evaluations and simulations
- Observability

## Use cases

- Evaluate an agent before release
- Monitor application quality over time

## Links

- Nextool.ai page: https://nextool.ai/tools/langwatch/
- Alternatives: https://nextool.ai/alternatives/langwatch/

Source: Nextool.ai (https://nextool.ai/tools/langwatch/). Pricing and features change; confirm on the provider's site before relying on them.