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GPT-5.6 Sol (low) vs GPT-6.1 Sol (medium)

The average score is effectively tied at 9.6 vs 9.6. GPT-6.1 Sol (medium) has the lower benchmark cost at $0.530 vs $1.244. GPT-6.1 Sol (medium) is faster at 8.90s vs 11.13s, with pass rates of 87.0% vs 94.2%.

Last updated at: 2026-11-13

Compared models

Rank
#14
Total Output Tokens
22,557
Response Time (avg)
11.13s
Total Cost
$1.244
Rank
#11
Total Output Tokens
18,351
Response Time (avg)
8.90s
Total Cost
$0.530
Recommended model GPT-6.1 Sol (medium)

It has the best score here (9.6), while costing about 2.3x less than GPT-5.6 Sol (low).

Detailed comparison

Metric GPT-5.6 Sol GPT-5.6 Sol low Release: 2026-07-09 GPT-6.1 Sol GPT-6.1 Sol medium Release: 2026-09-29
Score 9.6 9.6
Rank #14 #11
Reliability 10.0 10.0
Consistency 9.3 9.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 87.0% 94.2%
Flaky tests 2 1
Total Runs 69 69
Cost per result 6.545 2.521
Total Cost $1.244 $0.530
Input Price $2.000 / 1M $2.000 / 1M
Output Price $10.000 / 1M $10.000 / 1M
Cache Read Price $0.200 / 1M $0.100 / 1M
Cache Write Price $2.500 / 1M $2.500 / 1M
Total Input Tokens 191,653 172,860
Output Tokens 5,473 5,172
Reasoning Tokens 17,084 13,179
Response Time (avg) 11.13s 8.90s
Response Time (max) 57.11s 51.03s
Response Time (total) 256.08s 204.78s
Parameters ~2T total (~150B 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.

#14 GPT-5.6 Sol

low
Cost
$0.062
Time
26.7s
Tokens
2,150 tok

#11 GPT-6.1 Sol

medium
Cost
$0.045
Time
72.7s
Tokens
4,581 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 11.25s 7,302 412 3,482
GPT-6.1 Sol 10.0 10.0 100.0% 0 4.74s 7,302 393 1,710

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