NEW · Severity High. On November 10 Google expanded Gemini 4 Carbon beyond its initial vetted cybersecurity cohort to paid Gemini API developers, enterprises and Google AI Ultra users. Google positions Carbon for long-horizon coding and scientific reasoning, and previews multi-agent /swarm in Antigravity. What changed: broad paid access and agent orchestration, rather than the October 28 restricted model introduction. Who it affects: paid API builders, enterprise users and Ultra subscribers. Action: benchmark Carbon against Argon and test /swarm only on noncritical workflows. Deadline: introductory API rates of $2 per million input tokens and $10 per million output tokens end November 30; published subsequent rates are $4/$20.
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