# GEPA prompt optimizer

12 Hacker News commenters recommended GEPA prompt optimizer and 1 criticized it, November 2025 to November 2026. It was recommended in 3 of 13 months.

**Verdict:** Recommended for automatically improving prompts and skill content, with clear tracking of changes. Results vary by model: it can work well for some and poorly for others.

## Why people recommend it

- Optimizes prompts and skill content (4 comments): "To avoid that bias, I use GEPA to optimize the prompt for each model/tool/harness combination" ([source](https://news.ycombinator.com/item?id=47331845)) "using GEPA where you optimize the skill content instead of the prompt works really well" ([source](https://news.ycombinator.com/item?id=46879951)) "It extends GEPA (our prompt optimizer, discussed here previously)" ([source](https://news.ycombinator.com/item?id=47108521))
- Strong prompt optimization results (2 comments): "it's really the optimizer (ex. GEPA) doing the heavy-lifting." ([source](https://news.ycombinator.com/item?id=47491489)) "impressed by its prompt optimization results" ([source](https://news.ycombinator.com/item?id=47117438))

## What people warn about

- Uneven results across different models (1 comments): "It actually ended up working really well for some models and horrible for others" ([source](https://news.ycombinator.com/item?id=46880074))

## Cite as

Hacker Approved, "GEPA prompt optimizer", https://hackerapproved.com/p/gepa/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).