Gemini 4 Carbon debuts #1 on Text Arena, #2 on Agent Arena at 72% less cost
prajdabre · x · 2026-10-29
LMArena announced that Google's Gemini 4 Carbon (High) debuted at #1 on Text Arena, #2 on Agent Arena (+16.2% across 21.9K real-world agentic sessions), and #4 on Code Arena/WebDev, surpassing GPT-6 Astra and Fable-5.1.
Key data:
- #1 Steerability (+18.6%)
- $1.80 median cost per task — 72% cheaper than #1-ranked Claude Opus 5.5 (Max)
- Arena claims it reshapes the Pareto frontier across all three arenas
Related event: Google Launches Gemini 4 Carbon, Topping Artificial Analysis Index(91 posts)→
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