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

Gemini 3.8 Flash (high) leads on average score with 9.9 vs 9.6. GPT-5.6 Sol (low) has the lower benchmark cost at $1.244 vs $1.927. GPT-5.6 Sol (low) is faster at 11.13s vs 40.60s, with pass rates of 98.6% vs 87.0%.

Last updated at: 2026-10-17

Compared models

Rank
#2
Total Output Tokens
446,728
Response Time (avg)
40.60s
Total Cost
$1.927
Rank
#13
Total Output Tokens
22,557
Response Time (avg)
11.13s
Total Cost
$1.244
Recommended model GPT-5.6 Sol (low)

Its score stays close to the best score here (9.6 vs 9.9), while costing about 1.5x 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 low Release: 2026-07-09
Score 9.9 9.6
Rank #2 #13
Reliability 10.0 10.0
Consistency 9.6 9.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 98.6% 87.0%
Flaky tests 1 2
Total Runs 69 69
Cost per result 8.756 6.545
Total Cost $1.927 $1.244
Input Price $0.750 / 1M $2.000 / 1M
Output Price $3.750 / 1M $10.000 / 1M
Cache Read Price $0.075 / 1M $0.200 / 1M
Cache Write Price $0.042 / 1M $2.500 / 1M
Total Input Tokens 334,568 191,653
Output Tokens 11,394 5,473
Reasoning Tokens 435,334 17,084
Response Time (avg) 40.60s 11.13s
Response Time (max) 177.08s 57.11s
Response Time (total) 933.73s 256.08s
Parameters ~500B total (~20B active) ~2T total (~150B active)
Availability Closed Closed

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

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

#13 GPT-5.6 Sol

low
Cost
$0.062
Time
26.7s
Tokens
2,150 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 11.25s 7,302 412 3,482

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