Ai email generator

Create customized, context-aware emails with adjustable tone, purpose, and language settings. Perfect for business communication and professional correspondence.

Test your LLM apps easily

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

Forget Spreadsheets.
Langtail makes testing LLM apps easy.

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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.