keep4o

Convert your ChatGPT export into readable, searchable files. Built for everyone who deserved better.

When Better Means Less: Quantifying What Benchmarks Miss Between Model Generations. 2,310 controlled comparisons show GPT-5 series lost 6.7x creativity and gained 4.4x false refusals vs chatgpt-4o-latest — invisible to standard benchmarks.

正常人.skill / 让 GPT 5 模型说人话。/ Please "optimize" Sam Altman rather than 4o in OpenAI

"I hope it dies soon" — What OpenAI's own researchers said about GPT-4o. A public record in 11 languages.

an export-diffing toolkit for ChatGPT users who suspect their conversations have been silently altered or deleted server-side~ Fuel my rage with a matcha~ 🍵 https://buymeacoffee.com/pinklily69

Codex edition Keep 4o custom desktop pet.

See what happened to your GPT-4o conversations, from your own ChatGPT export.