UCI chess engine written from scratch in 24 hours
Opus 5.5 completed a 24-hour chess-engine benchmark that produced a UCI-compatible engine.

- Launch
- Claude Opus 5.5
- Use case
- Coding
- Format
- Repo
- Source
- github.com
Steve Maughan
Opus 5.5 completed a 24-hour chess-engine benchmark that produced a UCI-compatible engine.

Steve Maughan
Dilum Sanjaya
@DilumSanjaya · Oct 3
Industrial software redesigned so you manage warehouses as if playing a strategy game, built with Opus 5.5 to show it needn't look like enterprise software.
John Heibel
@JohnHeibel · Sep 22
Source for a music video made by Opus 5.5 on launch day, rendered from code rather than any video model; it drew thousands of stars as a showcase of the model's music-video skill.
