Google launches Gemini 4 Argon with cybersecurity-first access

Google's announcement of Gemini 4 Argon on October 1 positions the model as a frontier-level tool for coding, knowledge work, cybersecurity, and creative writing. The company is not releasing it broadly at once; instead, it is using the Fairwind Program to give trusted cybersecurity professionals sequential access, a controlled approach that echoes how sensitive capabilities are sometimes staged. Pricing is set at $2 per 1M input tokens and $10 per 1M output tokens, with cached input tokens at a 95% discount, which may appeal to heavy users who reuse prompts.

The model's expanded output limit—from 64,000 tokens to 1 million tokens—is a technical shift that Google says enables generating hundreds of thousands of tokens in one process while reasoning deeply. Google also reports progress in migrating C/C++ codebases to Rust: for the video decoder libgav1, Gemini 4 Argon generated code 2.7 times faster than an existing Rust port. On benchmarks, it scored 77.9% on DeepSWE v1.1 for software development and 91.7% on LVBench for long-video understanding.

On cybersecurity, Google says its internal comprehensive vulnerability benchmark found a wide range of vulnerabilities across complex codebases spanning 20 programming languages. The model is also designed to refuse harmful requests to prevent misuse for cyberattacks or chemical, biological, radiological, and nuclear attacks. Whether this controlled rollout and safety design are enough to satisfy enterprise buyers evaluating the model's real-world risk remains to be seen.