Post-Cutoff

Arena: Gemini 4 Carbon (High) debuts #1 in Text Arena, #2 in Agent Arena, #4 in Code Arena WebDev

Arena.ai @arenaX

Why it matters

The crowd-sourced Arena leaderboard’s launch-day ranking of Gemini 4 Carbon (~180K views), with Elo scores and Agent Arena cost per task.

Summary

Arena (ex-LMArena) put Gemini 4 Carbon (High) at #1 in Text Arena (1528, ahead of Gemini 4 Argon at 1520), #2 in Agent Arena (+16.2% net improvement over 21.9K agentic sessions; $1.80 median cost per task, 72% less than #1 Claude Opus 5.5 Max) and #4 in Code Arena WebDev (1768, 2 points below #3 Claude Sonnet 5.5 xHigh at 1770). Views ~180K on Oct 29.

Archived text

Exciting news: Gemini 4 Carbon (High) from @GoogleDeepMind just made a huge debut on Arena, landing #1 in Text Arena, #2 in Agent Arena, and #4 in Code Arena: WebDev. Back at the top, Gemini 4 Carbon delivers frontier intelligence and reshapes the Pareto frontier across three arenas.

In Agent Arena, Gemini 4 Carbon ranks #2 with a +16.2% net improvement across +21.9K real-world agentic sessions from our global community, surpassing top models GPT-6 Astra and Fable-5.1. At $1.80 median cost per task, Gemini 4 Carbon (High) costs 72% less than the #1 ranked Claude Opus 5.5 (Max).

Its standouts by key signals:

  • #1 Steerability (+18.6%): can the model course-correct when you push back?
  • #2 Praise vs Complaint (+37.9%): implicit sentiment in users’ reactions
  • #3 Confirmed Success (+18.7%): explicit “yes, that worked” from users

In Code Arena: WebDev, Carbon scored 1768 pts landing #4:

  • Just 2 pts below #3 Claude Sonnet 5.5 (xHigh), at 1770 pts
  • 89 pts above #11 Gemini 4 Argon (High), at 1679 pts

By category, it ranks #3 in Gaming and Simulations, and #5 in Brand & Marketing.

In Text Arena, Gemini 4 Carbon (High) is the new #1 with 1528 pts, now ahead of Gemini 4 Argon (High) at #2 with 1520 pts.

Congrats to the @GoogleDeepMind team on this huge milestone!

Source: x.com/arena/status/2115495002998751262

Cited in

  1. Model releases 120 days after the cutoff

    Google announces Gemini 4 Carbon, #1 on the Artificial Analysis Intelligence Index v5 (59), two weeks after Argon; first only for Fairwind cyber defenders