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Claude Opus 5.5 (high) vs GPT-6 Sol (medium)

GPT-6 Sol (medium) leads on average score with 9.5 vs 9.4. GPT-6 Sol (medium) has the lower benchmark cost at $0.703 vs $2.133. GPT-6 Sol (medium) is faster at 12.12s vs 27.55s, with pass rates of 87.0% vs 94.2%.

Last updated at: 2026-10-26

Compared models

Rank
#28
Total Output Tokens
42,782
Response Time (avg)
27.55s
Total Cost
$2.133
Rank
#20
Total Output Tokens
31,387
Response Time (avg)
12.12s
Total Cost
$0.703
Recommended model GPT-6 Sol (medium)

It has the best score here (9.5), while costing about 3.0x less than Claude Opus 5.5 (high).

Detailed comparison

Metric Claude Opus 5.5 Claude Opus 5.5 high Release: 2026-09-23 GPT-6 Sol GPT-6 Sol medium Release: 2026-09-23
Score 9.4 9.5
Rank #28 #20
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 11.222 3.348
Total Cost $2.133 $0.703
Input Price $4.000 / 1M $2.000 / 1M
Output Price $20.000 / 1M $10.000 / 1M
Cache Read Price $0.200 / 1M $0.200 / 1M
Cache Write Price $5.000 / 1M $2.500 / 1M
Total Input Tokens 319,095 194,520
Output Tokens 10,371 5,396
Reasoning Tokens 32,411 25,991
Response Time (avg) 27.55s 12.12s
Response Time (max) 95.95s 82.74s
Response Time (total) 633.73s 278.70s
Parameters ~5T total (~500B 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.

#28 Claude Opus 5.5

high
Cost
$0.136
Time
75.6s
Tokens
6,934 tok

#20 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
Claude Opus 5.5 10.0 10.0 100.0% 0 13.44s 10,608 584 5,042
GPT-6 Sol 8.2 7.2 88.9% 1 11.78s 7,302 392 2,532

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