Jamon
@jamonholmgren
On my code base, everything Codex seems to work better than everything Claude.
Very interesting results.
JJamonXView on XHere's the feature tier list. Again, Sol and Astra did great, Luna punched above its weight as did Sonnet. Haiku did very poorly. Opus not S-tier, but pretty good ... still made many more mistakes than Astra and Sol did.
Opus 5.5 is #1 on Design Arena for React Native.
I wish it tracked Swift too (and had Opus 5.5 on the Kotlin board) so there'd be some sort baseline for how agents do on RN vs native platforms.
DDesign ArenaXView on XSince Opus 5.5 by @AnthropicAI was released just over 2 weeks ago, it has become a fan-favorite amongst developers, designers, and casual users alike.
It has taken 1st place on 4 of Design Arena’s leaderboards (Overall Frontend, Data Visualization, 3D Design, and React Native). Additionally, it is Top 3 on our Game Dev and UI Components leaderboards.
We noticed a couple of reasons why this may be the case: