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Claude Opus 5.5 (medium) vs GPT-6.1 Sol (high)

GPT-6.1 Sol (high) leads on average score with 9.6 vs 9.2. GPT-6.1 Sol (high) has the lower benchmark cost at $0.755 vs $1.804. GPT-6.1 Sol (high) is faster at 15.46s vs 25.85s, with pass rates of 89.9% vs 94.2%.

Last updated at: 2026-10-19

Compared models

Rank
#31
Total Output Tokens
32,127
Response Time (avg)
25.85s
Total Cost
$1.804
Rank
#12
Total Output Tokens
40,508
Response Time (avg)
15.46s
Total Cost
$0.755
Recommended model GPT-6.1 Sol (high)

It has the best score here (9.6), while costing about 2.4x less than Claude Opus 5.5 (medium).

Detailed comparison

Metric Claude Opus 5.5 Claude Opus 5.5 medium Release: 2026-09-23 GPT-6.1 Sol GPT-6.1 Sol high Release: 2026-09-29
Score 9.2 9.6
Rank #31 #12
Reliability 10.0 10.0
Consistency 9.7 9.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 89.9% 94.2%
Flaky tests 1 1
Total Runs 69 69
Cost per result 9.016 3.596
Total Cost $1.804 $0.755
Input Price $4.000 / 1M $2.000 / 1M
Output Price $20.000 / 1M $10.000 / 1M
Cache Read Price $0.200 / 1M $0.100 / 1M
Cache Write Price $5.000 / 1M $2.500 / 1M
Total Input Tokens 290,117 174,960
Output Tokens 9,805 5,780
Reasoning Tokens 22,322 34,728
Response Time (avg) 25.85s 15.46s
Response Time (max) 90.20s 139.76s
Response Time (total) 594.63s 355.66s
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.

#31 Claude Opus 5.5

medium
Cost
$0.053
Time
25.6s
Tokens
2,781 tok

#12 GPT-6.1 Sol

high
Cost
$0.079
Time
149.5s
Tokens
7,920 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 8.4 7.4 88.9% 1 13.50s 10,608 636 4,341
GPT-6.1 Sol 10.0 10.0 100.0% 0 5.18s 7,302 390 2,215

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