PromptSlice

Your prompts don't have to suck

Stop shipping vague instructions. Build precise, versioned prompts that actually work.

Early access beta • Limited availability

Initial Version

+0 -0 ~0
1
You are a helpful assistant.
2
Write me a blog post.

Assistant

Finally, a sane way to manage your prompts

Because copy-pasting from a Google Doc isn't a strategy

Git for prompts

Every change tracked. Every version saved. Roll back bad ideas instantly.

v1.0 → v2.0 → v2.1

Battle-test everything

Test across all major providers. Compare performance instantly.

OpenAI Anthropic Gemini + others

Stop the prompt wars

One source of truth. No more "which Slack thread had the good version?"

+3

Everything you need to ship AI features

Because great AI products need more than just good prompts

A/B Test Everything

Run experiments. Compare variants. Ship what performs.

Automated Evals

Generate test cases. Catch regressions. Sleep better.

Tool Definitions

Design, test, and version your function calling schemas.

Test Data Generator

Create edge cases. Validate outputs. Ship confidently.

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