Google DeepMind released Gemini 4 Argon globally on October 13, 2026, targeting complex coding, scientific, legal and cybersecurity workflows with introductory API pricing of $2 per million input tokens.

Google DeepMind released Gemini 4 Argon globally on October 13, 2026, making its newest multimodal reasoning model available to developers, enterprises and consumers through multiple platforms including the Gemini API, AI Studio, Google Antigravity, the Gemini app and AI Mode in Search, according to a blog post by Koray Kavukcuoglu published October 13, 2026. The model had been announced on September 30, 2026, with initial access limited to trusted cybersecurity defenders.

The launch targets users working on complex, multi-step tasks across coding, finance, legal, cybersecurity and scientific domains. Google reported that Argon ranks first on the Vals Index, which measures model performance across critical economic sectors including finance, coding, legal and tax work, as of the October 13 announcement.

Gemini 4 Argon launched with introductory API pricing of $2 per million input tokens and $10 per million output tokens, with cached input tokens discounted 95%, according to the October 13 blog post. Google Cloud documentation dated October 13, 2026, states the introductory rate applies through November 30, 2026, after which standard pricing will be $4 per million input tokens and $20 per million output tokens.

The model supports a unified 1,048,576-token context window shared by input and output, according to the October 13 announcement. Google's API documentation specifies that the default synchronous output is capped at 65,536 tokens, with a continuation protocol enabling longer generation within the shared million-token budget.

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