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Claude Opus 5 vs Qwen: Qwen3.5 Plus 2026-02-15

Claude Opus 5 leads on average score with 7.5 vs 7.5. Qwen3.5 Plus 2026-02-15 (medium) has the lower benchmark cost at $0.437 vs $1.550. Claude Opus 5 is faster at 7.60s vs 89.19s, with pass rates of 57.6% vs 71.2%.

Recommended modelClaude Opus 5It has the best score here (7.5), while responding about 11.7x faster than Qwen3.5 Plus 2026-02-15 (medium).

Last updated at: 2026-07-25

Metric Claude Opus 5 Claude Opus 5 none Release: 2026-07-25 Qwen3.5 Plus 2026-02-15 Qwen3.5 Plus 2026-02-15 medium Release: 2026-02-15
Score 7.5 7.5
Rank #59 #65
Reliability 10.0 10.0
Consistency 9.6 8.5
Tests Correct
Attempt pass rate 57.6% 71.2%
Flaky tests 1 4
Total Runs 66 66
Cost per result 12.912 3.348
Total Cost $1.550 $0.437
Input Price $5.000 / 1M $0.260 / 1M
Output Price $25.000 / 1M $1.560 / 1M
Total Input Tokens 185,550 113,560
Output Tokens 24,866 9,823
Reasoning Tokens 0 250,881
Response Time (avg) 7.60s 89.19s
Response Time (max) 47.72s 304.85s
Response Time (total) 167.28s 1337.92s

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#59 Claude Opus 5

none
Cost
$0.271
Time
149.3s
Tokens
10,962 tok

#65 Qwen3.5 Plus 2026-02-15

medium
Cost
$0.011
Time
125.5s
Tokens
7,040 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 5.9 9.7 33.3% 0 5.54s 10,590 2,886 0
Qwen3.5 Plus 2026-02-15 6.6 7.1 44.4% 1 180.70s 6,950 420 80,595

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