Google has introduced Gemini 4 Carbon, its latest frontier artificial intelligence model, on October 28, 2026. The new model focuses on advanced coding, complex engineering tasks and cybersecurity, marking another major development in the growing competition among leading AI companies.
According to Google, Gemini 4 Carbon delivers significant improvements over its predecessor, Gemini 4 Argon, particularly in identifying software vulnerabilities, validating security risks and developing code fixes. The company says the model ranks first on the Artificial Analysis Intelligence Index v5.0, achieving a score of 59.
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Gemini 4 Carbon Brings Advanced Cybersecurity Capabilities
One of the biggest highlights of Gemini 4 Carbon is its ability to support cybersecurity professionals. Google reports that the model achieved 88.2% on SEC-bench Pro for identifying software vulnerabilities, 54.8% on ExploitGym for validating exploitable weaknesses and 71.0% on CWE-bench for fixing software flaws.
The company also claims that Carbon generates secure code with more than twice the success rate of Gemini 4 Argon on its internal benchmarks. These capabilities could help security teams identify and address software weaknesses more efficiently.
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Improved Coding and Long-Running AI Tasks
Gemini 4 Carbon is designed to handle complex engineering projects involving multiple steps and extended workflows. Google says the model can work for days on challenging tasks, including identifying the root causes of software bugs and developing fixes across large codebases.
The model also brings improvements in full-stack web development, scientific tasks and multimodal understanding. Google says Carbon gained 89 Elo points on WebDev Arena, reaching fourth place with a score of 1,768.
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Availability and Pricing of Gemini 4 Carbon
Google is initially providing access to selected cybersecurity defenders through its Fairwind Program. The company plans to gradually expand access to trusted partners before making the model available to developers, businesses and consumers.
Gemini 4 Carbon will have introductory API pricing of $2 per million input tokens and $10 per million output tokens. After the introductory period, pricing will increase to $4 and $20 respectively. Google has not announced a general public release date.
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Sources: Google Official Announcement

