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Gemini 3.1 Pro Preview (medium) vs GPT-5.6 Sol (medium)

GPT-5.6 Sol (medium) leads on average score with 9.4 vs 9.2. GPT-5.6 Sol (medium) has the lower benchmark cost at $0.723 vs $1.352. GPT-5.6 Sol (medium) is faster at 12.63s vs 20.62s, with pass rates of 90.9% vs 90.9%.

Last updated at: 2026-08-20

Rank
#12
Total Output Tokens
97,238
Response Time (avg)
20.62s
Total Cost
$1.352
Rank
#8
Total Output Tokens
34,977
Response Time (avg)
12.63s
Total Cost
$0.723
Recommended model GPT-5.6 Sol (medium)

It has the best score here (9.4), while costing about 1.9x less than Gemini 3.1 Pro Preview (medium).

Detailed comparison

Metric Gemini 3.1 Pro Preview Gemini 3.1 Pro Preview medium Release: 2026-02-19 GPT-5.6 Sol GPT-5.6 Sol medium Release: 2026-07-09
Score 9.2 9.4
Rank #12 #8
Reliability 10.0 10.0
Consistency 10.0 8.9
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 90.9% 90.9%
Flaky tests 0 3
Total Runs 66 66
Cost per result 6.758 8.025
Total Cost $1.352 $0.723
Input Price $2.000 / 1M $2.500 / 1M
Output Price $12.000 / 1M $15.000 / 1M
Total Input Tokens 92,296 79,006
Output Tokens 5,232 4,696
Reasoning Tokens 92,006 30,281
Response Time (avg) 20.62s 12.63s
Response Time (max) 88.68s 79.40s
Response Time (total) 329.94s 277.88s
Parameters ~1.2T total (~20B active) ~2T total (~150B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#12 Gemini 3.1 Pro Preview

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

#8 GPT-5.6 Sol

medium
Cost
$0.124
Time
57.2s
Tokens
4,199 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
GPT-5.6 Sol 10.0 10.0 100.0% 0 9.40s 7,302 394 4,706

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