Yagnesh Khamar

Yagnesh Khamar

Co-Founder, AppUnik. Always building.
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Maker History

  • Phasio
    PhasioTest your LLM prompts before they break production
    Apr 2026
    • 🎉
    Joined Product HuntMarch 23rd, 2026

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Phasiop/phasioYagnesh Khamar•

2mo ago

Try testing your PROMPT output before you go prod

So, I found that each time we update any prompt in prod it may break due to some type of negligence.

So to address this, I found that I can test the Prompts before going to prod, but I didn't find anyone with

proper npm package to make it happen locally and no extra steps to configure. So I have built this phasio.dev

to solve this particular issue from my end.

Yagnesh Khamar•

2mo ago

Phasio - Test your LLM prompts before they break production

Phasio brings Jest-style testing to LLM prompts. Write test cases with contains, notContains, and llmJudge validators. Run evals across OpenAI and Anthropic in one command. Catch regressions in CI before your users do.
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