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Google: Gemini 3.1 Pro Preview vs Google: Gemini 3.6 Flash

Gemini 3.6 Flash (high) leads on average score with 9.7 vs 9.2. Gemini 3.1 Pro Preview (medium) has the lower benchmark cost at $1.361 vs $1.785. Gemini 3.6 Flash (high) is faster at 14.88s vs 21.47s, with pass rates of 90.9% vs 98.5%.

Recommended modelGemini 3.6 Flash (high)It has the strongest score in this comparison (9.7) and the best overall balance of cost and response time across all 2 models.

Last updated at: 2026-07-21

Metric Gemini 3.1 Pro Preview Gemini 3.1 Pro Preview medium Release: 2026-02-19 Gemini 3.6 Flash Gemini 3.6 Flash high Release: 2026-07-21
Score 9.2 9.7
Rank #10 #2
Reliability 10.0 10.0
Consistency 10.0 9.6
Tests Correct
Attempt pass rate 90.9% 98.5%
Flaky tests 0 1
Total Runs 66 66
Cost per result 6.801 8.497
Total Cost $1.361 $1.785
Input Price $2.000 / 1M $1.500 / 1M
Output Price $12.000 / 1M $7.500 / 1M
Total Input Tokens 92,287 87,819
Output Tokens 5,232 5,750
Reasoning Tokens 92,726 214,596
Response Time (avg) 21.47s 14.88s
Response Time (max) 88.68s 88.00s
Response Time (total) 322.08s 327.37s

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#10 Gemini 3.1 Pro Preview

medium
Cost
$0.115
Time
87.2s
Tokens
9,629 tok

#2 Gemini 3.6 Flash

high
Cost
$0.069
Time
44.0s
Tokens
9,251 tok

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 7.9 9.9 66.7% 0 40.17s 8,124 435 41,247
Gemini 3.6 Flash 10.0 10.0 100.0% 0 26.73s 8,136 448 60,606

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