Google has opened Gemini 4 Carbon to paying business and developer customers, with access also rolling out for Google AI Ultra subscribers. The AI model targets harder coding and research tasks, but longer reasoning can make each task cost more than with Argon.
Google is making Gemini 4 Carbon available through the Gemini API and its business offering. Google AI Ultra subscribers get access through Antigravity, the Gemini app and Search’s AI Mode. Google positions Carbon for complex coding and scientific research, while recommending Argon for most software engineering and office work.
Carbon starts at $2 per million input tokens and ten dollars per million output tokens, matching Argon’s launch pricing. Those rates will rise to $4 and $20 after the introductory period. Carbon reasons for longer and uses more tokens per task, so matching token prices do not mean matching task costs.
Google also previewed a swarm feature in Antigravity that turns a single prompt into a team of AI agents. Carbon can coordinate the work, with cheaper models handling routine tasks and other agents testing changes. For builders, this offers another way to divide complex work between models, but the feature is still a preview rather than a proven production workflow.
Paying developers now have another frontier AI model available for demanding coding and research workflows.
Teams need to measure cost per completed task because longer reasoning can outweigh low token prices.
The agent-team preview suggests a broader development workflow, but its reliability in production remains unproven.
Written automatically by the Made in 10 Newsroom from the source above.
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