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Gemini 4 Argon

Google DeepMind

Released
-
Data date
October 3, 2026

Gemini 4 Argon expands Google’s maximum output limit from 64K to 1 million tokens, allowing much longer reasoning on extended coding and research tasks. Google announced the model on September 30, 2026 and also emphasizes finding, validating, and patching security vulnerabilities.

Access initially goes to trusted cyber defenders through the Fairwind Program. Google plans a broader release for developers, enterprises, and consumers but has not specified a date.

Specifications and access

SpecificationValue and source
Announcement
September 30, 2026Source
Access
Phased access through the Fairwind ProgramSource
Maximum output
1 million tokensSource