M3.1-Flash is the worst performer, and gpt-6-astra is astonishingly bad at this, only M3.1-Flash was worse
Let me know in DMs if you want me to test more models on this private gamefeel/gamedev benchmark.
Only tested one subsection of Opus 5.5 on this as I ran out of credits.
M3E Canvas sketches Material 3 Expressive screen prototypes in the browser and generates a detailed prompt for AI coding tools like Cursor, Codex, or Claude Code.
M3 traffic got wild, so we shipped overnight.
Inference serving upgraded at 22:00 Beijing / 7:00 AM PT.
TPS much smoother now. Most users should be seeing 50–70 TPS.