Gemini 4 Argon (from December 1, 2026)
From AI model API prices: What do the leading AI models cost through their APIs, per million tokens?
Input: 4 USD per 1M tokens
The standard price for input tokens. Where the provider charges by time of day, the peak price.
Input price Not available $2.00 through November 30, 2026. $4.00 starting December 1, 2026.
Source: https://ai.google.dev/gemini-api/docs/pricing. Read 2026-10-31. Checked by a second reader.
Output: 20 USD per 1M tokens
The standard price for output tokens. Where the provider charges by time of day, the peak price.
Output price (including thinking tokens) Not available $10.00 through November 30, 2026. $20.00 starting December 1, 2026.
Source: https://ai.google.dev/gemini-api/docs/pricing. Read 2026-10-31. Checked by a second reader.