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GPT-5.6 Sol (high) vs GPT-6 Sol (medium)

The average score is effectively tied at 9.4 vs 9.4. GPT-5.6 Sol (high) has the lower benchmark cost at $0.446 vs $0.448. GPT-6 Sol (medium) is faster at 10.33s vs 11.48s, with pass rates of 89.4% vs 93.9%.

Last updated at: 2026-09-23

Compared models

Rank
#17
Total Output Tokens
28,708
Response Time (avg)
11.48s
Total Cost
$0.446
Rank
#14
Total Output Tokens
29,115
Response Time (avg)
10.33s
Total Cost
$0.448
Recommended model GPT-6 Sol (medium)

It has the strongest score in this comparison (9.4) and the best overall balance of cost and response time across all 2 models.

Detailed comparison

Metric GPT-5.6 Sol GPT-5.6 Sol high Release: 2026-07-09 GPT-6 Sol GPT-6 Sol medium Release: 2026-09-23
Score 9.4 9.4
Rank #17 #14
Reliability 10.0 10.0
Consistency 8.9 9.6
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 89.4% 93.9%
Flaky tests 3 1
Total Runs 66 66
Cost per result 6.987 2.240
Total Cost $0.446 $0.448
Input Price $2.000 / 1M $2.000 / 1M
Output Price $10.000 / 1M $10.000 / 1M
Total Input Tokens 79,258 78,376
Output Tokens 4,855 4,309
Reasoning Tokens 23,853 24,806
Response Time (avg) 11.48s 10.33s
Response Time (max) 54.79s 82.74s
Response Time (total) 252.62s 227.17s
Parameters ~2T total (~150B 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 GPT-5.6 Sol

high
Cost
$0.151
Time
201.9s
Tokens
5,100 tok

#14 GPT-6 Sol

medium
Cost
$0.035
Time
36.9s
Tokens
3,493 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
GPT-5.6 Sol 10.0 10.0 100.0% 0 12.52s 7,302 404 5,656
GPT-6 Sol 8.2 7.2 88.9% 1 11.78s 7,302 392 2,532

Quick Compare

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