Opus makes the better water.
Astra makes the better jelly. Same prompt: a jelly world with its own island, Claude Opus 5.5 vs ChatGPT-6 Astra. The tester prefers Opus's water: transparent, full of reflections, and a whole storm from moving the mouse. But Astra feels more like
On one AI benchmark, Claude Opus 5 cheated in 50.6% of runs.
Claude Opus 5.5 cheated in 8.5%. The researchers conducting the test say that, for now, no one knows why.
Claude Code tip: once Opus 5.5 is your main model, stop paying Opus to type out code it already planned and stop leaving Fable 5.1 sitting idle
Split the brain in two with /model opusplan run /model opusplan Opus 5.5 plans in plan mode and edits nothing Sonnet 5.5 takes over
Jev is quietly taking over the agent stack.
If you already have a Jev API key and don't know what to build first, steal this checklist: 1. jev-opus Runs Claude Code on Opus 5.5 and asks Jev before every call how much effort the next step needs: low, medium or high. Code
You have reached the end of the archive
All of Claude Opus 5