Ai text generator agent

Step-by-step AI assistant that guides users through article creation with structured prompts for audience, tone, length, and content planning. Perfect for content creators and writers.

Test your LLM apps easily

Langtail is a low-code platform for testing your AI apps.

Forget Spreadsheets.
Langtail makes testing LLM apps easy.

Product screenshot
Easy for everyone
If you can use spreadsheets, you can test LLM apps with Langtail.
Beyond vibe checks
Truly understand how your AI apps work with comprehensive tests.
Update with confidence
Change prompts or models safely with a robust test dataset.