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DeepSeek: DeepSeek V4 Pro vs Qwen: Qwen3.5-27B

Last updated at: 2026-04-24

Metric DeepSeek V4 Pro DeepSeek V4 Pro high Release: 2026-04-24 Qwen3.5-27B Qwen3.5-27B medium Release: 2026-02-24
Score 8.2 8.4
Rank #20 #12
Reliability N/A N/A
Consistency 9.6 8.8
Tests Correct
Attempt pass rate 74.1% 81.5%
Flaky tests 1 3
Total Runs 24 54
Cost per result 1.224 3.822
Total Cost $0.160 $0.497
Input Price $1.740 / 1M $0.195 / 1M
Output Price $3.480 / 1M $1.560 / 1M
Output Tokens 671 2,500
Reasoning Tokens 39,383 242,500
Response Time (avg) 71.21s 53.03s
Response Time (max) 351.99s 163.96s
Response Time (total) 1281.73s 954.46s

Top Models by Score

Score vs Total Cost

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Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 8.3 10.0 75.0% 0 26.93s 70 2,008
Qwen3.5-27B 8.7 7.9 91.7% 1 19.75s 569 31,505
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 10.0 10.0 100.0% 0 93.00s 82 2,808
Qwen3.5-27B 10.0 10.0 100.0% 0 70.35s 375 19,165
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 10.0 10.0 100.0% 0 71.08s 134 2,163
Qwen3.5-27B 10.0 10.0 100.0% 0 163.96s 483 9,991
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 10.0 10.0 100.0% 0 63.00s 67 1,071
Qwen3.5-27B 10.0 10.0 100.0% 0 30.26s 270 16,150
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 5.3 10.0 33.3% 0 202.56s 11 25,343
Qwen3.5-27B 5.3 10.0 33.3% 0 79.53s 43 52,368
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 5.0 10.0 0.0% 0 26.96s 51 734
Qwen3.5-27B 6.1 3.1 66.7% 1 101.41s 70 23,147
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 10.0 10.0 100.0% 0 14.60s 21 1,236
Qwen3.5-27B 10.0 10.0 100.0% 0 19.66s 97 11,638
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 7.6 7.4 77.8% 1 69.69s 151 3,847
Qwen3.5-27B 8.2 7.7 77.8% 1 64.61s 245 77,213
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 10.0 10.0 100.0% 0 11.05s 84 173
Qwen3.5-27B 10.0 10.0 100.0% 0 7.45s 348 1,323

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