Claude Opus 5

Google released Gemini 4 Carbon, a frontier model it says delivers significant gains in coding, agentic tasks, and cybersecurity. Google claims Carbon tops the Artificial Analysis Intelligence Index v5.0, ahead of Claude Opus 5.5 and GPT-6 Astra.

AI Models • The Verge AI

Artificial Analysis launched Intelligence Index v5, adding two new coding and science benchmarks and three upgrades, with most of the index now built on private datasets. Claude Opus 5.5 (max) leads at a score of 58, according to the organization.

AI Research • Techmeme

Creativity

Simon Willison reports that Claude Opus 5.5 shows meaningful improvements in 3D modeling, music generation, and game design, with game design being key to making games actually fun rather than just game-like.

Google's Gemini 4 Carbon is the new #1 on the Artificial Analysis Intelligence Index v5 with a score of 59, driven by leading performance in complex reasoning, knowledge, and scientific tasks. It ranks second only to Claude Opus 5.5 on the Coding Agent Index, with large coding and knowledge-work gains over prior Gemini models.

Model Release • Hacker News