AIPriceWatch

Gemini 3.1 Pro Preview pricing

Text model by Google. Sold by 2 providers.

Prices

API prices in USD, cheapest seller first. Highlighted: lowest for that line.
Sold byPrice linePriceSource
Googleper 1M input tokens$2.00Source verified
per 1M cached input tokens$0.20
per 1M output tokens$12.00
per 1M input tokensprompts over 200K tokens$4.00
per 1M cached input tokensprompts over 200K tokens$0.40
per 1M output tokensprompts over 200K tokens$18.00
OpenRouterresellerper 1M input tokens$2.00Source verified
per 1M cached input tokens$0.20
per 1M output tokens$12.00
per 1M input tokensprompts over 200K tokens$4.00
per 1M cached input tokensprompts over 200K tokens$0.40
per 1M output tokensprompts over 200K tokens$18.00
Price a job with Gemini 3.1 Pro Preview

Limits

Context window
1.05M tokens
Max output
65.54K tokens
Released
19 Feb 2026
Open weights
No

Sources

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Updated