LLM testing made easy with a spreadsheet-like interface. Score tests with natural language, pattern matching, or code. Optimize LLM apps by experimenting with models, parameters, and prompts. Gain insights from test results and analytics.

Langtail is an LLMOps platform that helps teams speed up the development of AI-powered apps and ship to production with fewer surprises. With Langtail, you can debug prompts, run tests, and observe what’s happening in production.