● ModelsOct 29, 2026 · 04:368 sources
Google's Gemini 4 Carbon Tops Text Arena and Ranks No. 2 on Agent Arena at 72% Lower Cost Than Claude Opus 5.5
From marketbrief.now
AI;DR
Google's Gemini 4 Carbon model debuted at No. 1 on the Text Arena with 1,528 points, No. 2 on the Agent Arena, and No. 4 on the WebDev Code Arena with 1,768 points, operating at a $1.80 median cost per task, 72% cheaper than the top-ranked Claude Opus 5.5.
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Sources
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- SUPPORT@artificialanlys“Gemini 4 Carbon costs $7.76 per Intelligence Index task, ~23% less than Claude Opus 5.5 (max, $10.04) but ~1.2x GPT-6 Astra (max, $6.25).”x.com
- SUPPORT@valsai“Google DeepMind’s Gemini 4 Carbon debuts at #2 on the Vals Index v2.2. It also takes #1 on both the Finance Index and our Legal Research Benchmark.”x.com
- SUPPORT@hesamation“WHAT?! Gemini 4 Carbon beats Opus 5.5 on almost all of these benchmarks and “ranks #1 on Artificial Analysis V5””x.com
- SUPPORT@yitayml“Gemini 4 Carbon is the best frontier model right now! 😎 Sota on AA index and a bunch of other stuff!”x.com
- SUPPORT@artificialanlys“In Antigravity CLI, Gemini 4 Carbon scores 59 on the Artificial Analysis Coding Agent Index, behind only Claude Code with Claude Opus 5.5 (62).”x.com
- SUPPORT@synthwavedd“I hate this pattern of DeepMind announcing things that are weeks out from anyone being able to actually use. Fable 5.5 will beat you to it and be a better model, and you deserve that if you’re going to do things like this!”x.com