Claude Code Opus 4.8: nearly twice the tokens, more bugs, slower work
In use, the workflow, kinds of requests, and prompt structure stayed the same, yet Claude Code with began behaving differently around July 14, 2026. Its nearly doubled.
It repeatedly added bugs to the code. It also spent about 10 minutes through even the simplest requests.
Key points
- The workflow, request types, and prompt structure did not change.
- The different behavior began around July 14, 2026.
- rose to almost twice its previous level.
- Claude Code repeatedly introduced bugs into the code.
- Even very simple requests took about 10 minutes.