Gemini 4 Argon can write up to 1M tokens in a single response

Rohan Paul @rohanpaul_aiOriginally posted 2026.10.01

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This is a big deal. Google's new Gemini 4 Argon can write up to 1M tokens in a single response, nearly 8x the 128K cap on GPT-6 Astra, Opus 5.5 and Fable 5.1.

This post quotes another post: “Gemini 4 Argon details surface, reportedly beating GPT-6 Astra and Opus 5.5”