Google Brings Gemini 4 Carbon to Paid Users, Teases Agent Swarms

WHO:

Techmeme - Koray Kavukcuoglu, Google DeepMind senior vice president and Google chief AI architect, announced the rollout.

The Verge - Google said Gemini 4 Carbon is its “strongest model” yet and can compete with leading systems from Anthropic and OpenAI.

The Verge - Google described Argon as “the ideal choice for the majority of software engineering and knowledge work,” while Carbon is “built for tasks that test the limits of a model’s intelligence.”

Engadget - Google is making Gemini 4 Carbon widely available around the world after a limited release to cybersecurity companies.

WHAT:

Techmeme - Google expanded Gemini 4 Carbon access to paying API and AI Ultra users after an earlier release to cyber defenders.

The Verge - Carbon is intended for complex, multi-step coding and open-ended scientific research.

The Verge - Google previewed a “swarm” feature for Antigravity that can turn one prompt “into a coordinated team of agents.”

The Verge - Carbon’s introductory prices are $2 per million input tokens and $10 per million output tokens. Google’s cited comparisons put those prices at about one-fifth of OpenAI’s GPT-6 Astra and one-quarter of Anthropic’s Fable 5.2.

The Verge - Carbon’s prices are set to double when the introductory pricing period ends; even then, Google said they would remain significantly below frontier rivals on a per-token basis.

The Verge - Google’s benchmarks indicate Carbon is among the strongest models on most measured metrics, behind Fable 5.2; the article notes companies can select benchmark results that favor their products.

WHERE:

The Verge - Paying developers and enterprises can access Carbon through the Gemini API in Google AI Studio and Gemini for business. Google AI Ultra subscribers can use it in the Gemini app, AI Mode in Search, and Antigravity.

Engadget - Google described the release as widely available around the world.

WHEN:

Techmeme - The broader rollout followed Carbon’s release to cyber defenders two weeks earlier.

The Verge - Google launched Argon the month before Carbon’s announcement. Anthropic’s Fable 5.2 launched the day before the article.

The Verge - Google did not specify when, or whether, Carbon would reach lower-tier subscribers or free users.

The Verge - Carbon’s introductory pricing is scheduled to end “the end November.”

WHY:

The Verge - Google positioned Carbon for demanding, long-horizon work involving AI agents, including advanced coding and scientific research.

HOW:

The Verge - Carbon is being distributed through Google’s paid developer, enterprise, and AI Ultra offerings; Antigravity’s previewed swarm feature coordinates multiple agents from a single prompt.

(UPDATED November 10, 2026 20:06 UTC)

Google has broadly opened Gemini 4 Carbon, its strongest model yet, to paying users. Designed for complex coding and scientific research, Carbon is available through Google’s paid services. Google also previewed Antigravity’s swarm, coordinating multiple AI agents from a single prompt.