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gemini-3.1-pro-preview Benchmark & Insights
Google Gemini API
Updated Jun 6, 2026 All models
Sample size
76 runs
in window
Accuracy
88.5%
consensus match · 78d
Confidence
92%
over 78 runs
Window end
Jun 6, 2026
most recent run
Input price
$2.00/MTok
prompt tokens
Output price
$12.00/MTok
completion tokens
Model insights
- 01 The most expensive Gemini is the worst Gemini: stuck on "low" 88% of days, with 8 of 9 misses undercalling consensus "medium" days spread across the whole period.
- 02 Both flash siblings beat it at a fraction of the cost.
Notes
Higher context pricing above 200K tokens ($4/$18)