WHAT NEW IN X11.06 FRI

AI collections from X · 23 collections · 70,791 posts

gpt-6IMAGE

Code Arena WebDev: Claude Opus 5.5 overtakes GPT-6 Astra

Claude Opus 5.5 tops the Code Arena WebDev leaderboard with 1818 points, 26 ahead of GPT-6 Astra, and reshapes the Pareto frontier.

Arena.ai
@arenaArchived 2026.09.25Originally posted 2026.09.24
Code Arena WebDev: Claude Opus 5.5 overtakes GPT-6 Astra
Arena.ai @arenaOriginally posted 2026.09.24
Open original on X

Big news: Claude Opus 5.5 (Max) by @AnthropicAI just topped #1 in Code Arena: WebDev with 1818 pts and reshapes the Pareto frontier! This is a solid +26pt lead ahead of the next best model, GPT-6 Astra (Max) and a huge +126pt improvement over previous Opus 5 (Max) at 1692. Across categories, we can see that Opus 5.5 (Max) lands in the top spots across domains for: - #1 Brand and Marketing, Reference-Based Design, Data & Analytics, Simulations and Gaming! - #2 Consumer Product Stay tuned for more domain and categorical insights to land as more votes come in. Congrats to @AnthropicAI on the release!

This post quotes another post: “Anthropic releases Claude Opus 5.5 model”

x.com/arena/status/2102952767614779403Archived 2026.09.25 10:11