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Gemini 3.8 Flash (high) vs GPT-5.6 Sol (high)

Gemini 3.8 Flash (high) leads on average score with 9.9 vs 9.4. GPT-5.6 Sol (high) has the lower benchmark cost at $0.446 vs $1.595. GPT-5.6 Sol (high) is faster at 11.48s vs 37.19s, with pass rates of 98.5% vs 89.4%.

Last updated at: 2026-09-02

Rank
#2
Total Output Tokens
408,188
Response Time (avg)
37.19s
Total Cost
$1.595
Rank
#10
Total Output Tokens
28,708
Response Time (avg)
11.48s
Total Cost
$0.446
Recommended model GPT-5.6 Sol (high)

Its score stays close to the best score here (9.4 vs 9.9), while costing about 3.6x less than Gemini 3.8 Flash (high).

Detailed comparison

Metric Gemini 3.8 Flash Gemini 3.8 Flash high Release: 2026-09-02 GPT-5.6 Sol GPT-5.6 Sol high Release: 2026-07-09
Score 9.9 9.4
Rank #2 #10
Reliability 10.0 10.0
Consistency 9.6 8.9
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 98.5% 89.4%
Flaky tests 1 3
Total Runs 66 66
Cost per result 7.592 6.987
Total Cost $1.595 $0.446
Input Price $0.750 / 1M $2.000 / 1M
Output Price $3.750 / 1M $10.000 / 1M
Total Input Tokens 84,593 79,258
Output Tokens 10,517 4,855
Reasoning Tokens 397,671 23,853
Response Time (avg) 37.19s 11.48s
Response Time (max) 177.08s 54.79s
Response Time (total) 818.19s 252.62s
Parameters ~500B 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.

#2 Gemini 3.8 Flash

high
Cost
$0.077
Time
129.1s
Tokens
20,373 tok

#10 GPT-5.6 Sol

high
Cost
$0.151
Time
201.9s
Tokens
5,100 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 3.8 Flash 10.0 10.0 100.0% 0 29.30s 8,118 462 50,196
GPT-5.6 Sol 10.0 10.0 100.0% 0 12.52s 7,302 404 5,656

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