Tweet by mitsuhiko
July 4, 2026
I had some vibes that Opus 4.8 was performing worse than older ones for some of uses that are off distribution and now I have the receipts. Latest Opus/Sonnet are causing tool invocation failures on Pi's edit tool when older ones did not! I wrote about it. https://t.co/96Qd8zfdVc
- Author
- mitsuhiko
- Date
- July 4, 2026
- Canonical URL
- /tweets/mitsuhiko-2073488508816151038-a56984