FRONTIER MODELS

Google makes Gemini 4 Carbon available for demanding multi-step work

By IDAKIM Digital · Published November 11, 2026

Paid API access and an Ultra rollout bring the model beyond its earlier cybersecurity program.

Google made Gemini 4 Carbon available on November 10 through the Gemini API in Google AI Studio and Gemini for business for paying developers and enterprises. It is also rolling out to Google AI Ultra subscribers in Antigravity, the Gemini app and AI Mode in Search. Google positions Carbon for difficult coding, debugging, research and complex knowledge work, while recommending Argon for most everyday engineering and knowledge tasks. Carbon can use more tokens to explore alternatives and run extended verification loops. The announced introductory API price is $2 per million input tokens and $10 per million output tokens; introductory pricing should be checked again before budgeting a deployment. Antigravity’s accompanying /swarm preview coordinates agents in isolated workspaces, with Carbon usable for roles such as architecture and auditing. Google reports strong benchmark and prerelease results, but those claims do not establish performance on a reader’s repository or scientific problem. Cybersecurity access through Fairwind retains its program context.

Why it matters

Compare accepted changes, total tokens and review effort on a representative task. Treat the model and its multi-agent tooling as one launch, and preserve human review of consequential outputs.

Source: Google · November 10, 2026

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