The facts

  1. Google says it will begin providing access to a subset of cyber defenders this week. Wider access for developers, businesses and consumers has not been given a release date. [1]

  2. The announced introductory API price is US$2 per million input tokens and US$10 per million output tokens. Cached input is priced at a 95% discount to the input rate. [1]

  3. Google reports improvements in coding, sustained agent tasks and vulnerability detection and repair. Its accounts of models working for days and its security benchmark scores are company claims. [1][2]

  4. The company says it is participating in the US government’s voluntary pre-release testing process and will gather feedback before expanding access. [1]

Still unconfirmed

  • A general release date and independently verified real-world performance remain unknown.

Sources

References support the numbered facts above. Source checks: 29 Oct 2026, 00:15 UTC.

  1. Introducing Gemini 4 Carbon

    Google DeepMind · Primary source · 28 Oct 2026

  2. Google announces Gemini 4 Carbon

    The Verge · Reporting · 28 Oct 2026

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