Gemini 4 Carbon Claims SOTA but Remains Unavailable Across All Tiers

Original title: Where can I actually use Gemini 4 Carbon?
34AI Score

Developer Yuchen Jin notes that Gemini 4 Carbon, announced last month as SOTA and ranked #1 on Artificial Analysis, is unavailable to free, Pro, and Ultra users as well as via API. The post only flags the availability gap, offering no model specs, timeline, or official response.

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Yuchen Jin (@Yuchenj_UW) · 2026-11-08 18

Where can I actually use Gemini 4 Carbon?

Free users: Not available Pro users: Not available Ultra users: Not available API: Not available

Announced late last month as SOTA. Ranks #1 on Artificial Analysis.