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Gemini 3.5 Flash (high) vs GPT-6.1 Sol (xhigh)

GPT-6.1 Sol (xhigh) leads on average score with 9.9 vs 9.4. GPT-6.1 Sol (xhigh) has the lower benchmark cost at $1.156 vs $2.011. Gemini 3.5 Flash (high) is faster at 15.46s vs 31.94s, with pass rates of 89.4% vs 97.0%.

Last updated at: 2026-09-29

Compared models

Rank
#17
Total Output Tokens
205,482
Response Time (avg)
15.46s
Total Cost
$2.011
Rank
#6
Total Output Tokens
99,719
Response Time (avg)
31.94s
Total Cost
$1.156
Recommended model GPT-6.1 Sol (xhigh)

It has the best score here (9.9), while costing about 1.7x less than Gemini 3.5 Flash (high).

Detailed comparison

Metric Gemini 3.5 Flash Gemini 3.5 Flash high Release: 2026-05-19 GPT-6.1 Sol GPT-6.1 Sol xhigh Release: 2026-09-29
Score 9.4 9.9
Rank #17 #6
Reliability 10.0 10.0
Consistency 9.3 9.6
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 89.4% 97.0%
Flaky tests 2 1
Total Runs 66 66
Cost per result 10.580 5.504
Total Cost $2.011 $1.156
Input Price $1.500 / 1M $2.000 / 1M
Output Price $9.000 / 1M $10.000 / 1M
Total Input Tokens 107,146 79,232
Output Tokens 8,777 4,811
Reasoning Tokens 196,705 94,908
Response Time (avg) 15.46s 31.94s
Response Time (max) 145.92s 491.85s
Response Time (total) 340.20s 702.66s
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.

#17 Gemini 3.5 Flash

high
Cost
$0.208
Time
118.2s
Tokens
23,158 tok

#6 GPT-6.1 Sol

xhigh
Cost
$0.147
Time
279.4s
Tokens
14,790 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 3.5 Flash 10.0 10.0 100.0% 0 22.96s 8,118 456 47,129
GPT-6.1 Sol 10.0 10.0 100.0% 0 10.65s 7,302 393 4,483

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