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Gemini 3.5 Flash (low) vs GPT-5.6 Sol (medium)

GPT-5.6 Sol (medium) leads on average score with 9.4 vs 8.8. Gemini 3.5 Flash (low) has the lower benchmark cost at $0.449 vs $0.723. Gemini 3.5 Flash (low) is faster at 5.76s vs 12.63s, with pass rates of 84.9% vs 90.9%.

Last updated at: 2026-08-20

Rank
#24
Total Output Tokens
35,195
Response Time (avg)
5.76s
Total Cost
$0.449
Rank
#8
Total Output Tokens
34,977
Response Time (avg)
12.63s
Total Cost
$0.723
Recommended model Gemini 3.5 Flash (low)

Its score stays close to the best score here (8.8 vs 9.4), while costing about 1.6x less than GPT-5.6 Sol (medium).

Detailed comparison

Metric Gemini 3.5 Flash Gemini 3.5 Flash low Release: 2026-05-19 GPT-5.6 Sol GPT-5.6 Sol medium Release: 2026-07-09
Score 8.8 9.4
Rank #24 #8
Reliability 10.0 10.0
Consistency 9.3 8.9
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 84.9% 90.9%
Flaky tests 2 3
Total Runs 66 66
Cost per result 2.492 8.025
Total Cost $0.449 $0.723
Input Price $1.500 / 1M $2.500 / 1M
Output Price $9.000 / 1M $15.000 / 1M
Total Input Tokens 87,826 79,006
Output Tokens 2,239 4,696
Reasoning Tokens 32,956 30,281
Response Time (avg) 5.76s 12.63s
Response Time (max) 53.55s 79.40s
Response Time (total) 126.71s 277.88s
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.

#24 Gemini 3.5 Flash

low
Cost
$0.068
Time
39.1s
Tokens
7,588 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 3.5 Flash 7.8 10.0 66.7% 0 6.71s 8,118 458 13,420
GPT-5.6 Sol 10.0 10.0 100.0% 0 9.40s 7,302 394 4,706

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