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gemini-3.1-pro-preview
Benchmark & Insights
Google Gemini API
Updated Oct 4, 2026 All models
Sample size
232 runs
in window
Accuracy
68.4%
reference match · 250d
Confidence
92%
over 252 runs
Window end
Oct 4, 2026
most recent run
Input price
$2.00/MTok
prompt tokens
Output price
$12.00/MTok
completion tokens
Model insights
- 01 The Pro model ranks below every one of its cheaper Flash siblings.
- 02 It leans low, calling 52 of 76 "MEDIUM_SAFE" days "low", and missed 11 "unsafe" days.
- 03 At $2/$12 it is the worst value in the Gemini line.
Notes
Higher context pricing above 200K tokens ($4/$18)
Recent forecasts