Announcement and availability
Google introduced Gemini 4 Carbon on 28 October, highlighting coding, long-running tasks and cybersecurity. Initial access is for selected defenders and partners; the announcement does not describe immediate general availability.
Before choosing a model
Check that your account and application offer the exact version you want to test. Compare equivalent tasks and record corrections, time and cost. Provider rankings do not replace evaluation with your documents and criteria, or confirm model availability in iabot.
Sources and documentation
Provider announcements and results are attributed to their sources. Use cases are editorial proposals, not our own tests or confirmation of model availability in iabot.