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Overseas4 min full readContains AI-generated content · human-reviewed

Google opens Gemini 4 Argon with a 1M-token output ceiling

On 14 October Google opened Gemini 4 Argon to developers and enterprises worldwide, with a single-response output ceiling of 1M tokens.

  • Application layer
  • Platforms & agents
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01What happened

The model had spent a little over two weeks in limited release to cyber defenders. It is now available through AI Studio and the Gemini API, and to Google AI Ultra subscribers on Antigravity plus Pro and Ultra users of the Gemini app and Search AI Mode.

Input, thinking and output share a 1,048,576-token context. Google positions the model on long-horizon work in programming, finance, legal, security and science.

By way of comparison, Google's previous default output ceiling was 65,536 tokens.

02By the numbers

1M
tokens · single-response output ceiling
1,048,576
tokens of shared context across input, thinking and output
65,536
tokens · the previous default output ceiling

03Timeline

  1. 01
    September 30, 2026

    Google announces the model, opening it first to invited cyber defenders

  2. 02
    October 13, 2026

    Google announces global availability (US Eastern)

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