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Claude Opus 5 vs Qwen3.5 Plus 2026-02-15 (medium)

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 $0.459 vs $1.550. Claude Opus 5 is faster at 7.65s vs 91.76s, with pass rates of 57.6% vs 72.7%.

Last updated at: 2026-09-07

Compared models

Rank
#97
Total Output Tokens
24,866
Response Time (avg)
7.65s
Total Cost
$1.550
Rank
#102
Total Output Tokens
274,709
Response Time (avg)
91.76s
Total Cost
$0.459
Recommended model Claude Opus 5

It has the best score here (7.5), while responding about 12.0x faster than Qwen3.5 Plus 2026-02-15 (medium).

Detailed comparison

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 #97 #102
Reliability 10.0 10.0
Consistency 9.6 8.1
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 57.6% 72.7%
Flaky tests 1 5
Total Runs 66 66
Cost per result 12.912 3.483
Total Cost $1.550 $0.459
Input Price $5.000 / 1M $0.260 / 1M
Output Price $25.000 / 1M $1.560 / 1M
Total Input Tokens 185,547 113,569
Output Tokens 24,866 9,823
Reasoning Tokens 0 264,886
Response Time (avg) 7.65s 91.76s
Response Time (max) 47.72s 304.85s
Response Time (total) 168.35s 1376.42s
Parameters ~5T total (~500B active) ~397B total (~17B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#97 Claude Opus 5

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

#102 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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