flagship-model
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Google's Gemini API price list doubles every per-token rate on its flagship reasoning model, Gemini 4 Argon, on December 1, 2026 — a month before the Gemini 3 Flash step this desk reported in September.
Google's Gemini API pricing page gives Gemini 4 Argon a December 1, 2026 doubling on every per-token rate — a month before the January 1, 2027 step this desk reported in September for the Gemini 3 Flash models. Standard input rises from $2.00 to $4.00 per million tokens and output, including thinking tokens, from $10.00 to $20.00; the Batch, Flex, Priority and invite-only Contributor tiers step the same way. Argon is not offered on the free tier at any price, and Google's changelog states no Argon price.
Also filed underaigooglegemini-apipricingdevelopers
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