Professional job rejection email template generator

Create personalized, empathetic job rejection emails that maintain professional relationships and keep promising candidates in your talent pool. Perfect for HR and hiring managers.

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.