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DeepSeek: DeepSeek V4 Flash vs Qwen: Qwen3.5-9B

Last updated at: 2026-04-24

Metric DeepSeek V4 Flash DeepSeek V4 Flash none Release: 2026-04-24 Qwen3.5-9B Qwen3.5-9B medium Release: 2026-03-02
Score 5.3 4.4
Rank #89 #111
Consistency 9.1 7.2
Tests Correct
Attempt pass rate 33.3% 33.3%
Flaky tests 2 6
Total Runs 54 54
Cost per result 0.147 0.976
Total Cost $0.008 $0.030
Input Price $0.140 / 1M $0.100 / 1M
Output Price $0.280 / 1M $0.150 / 1M
Output Tokens 4,444 24,291
Reasoning Tokens 0 172,597
Response Time (avg) 29.39s 73.64s
Response Time (max) 111.96s 226.38s
Response Time (total) 529.10s 1104.60s

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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 Flash 3.0 10.0 0.0% 0 20.18s 174 0
Qwen3.5-9B 5.1 5.8 50.0% 2 34.44s 2,621 12,411
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Flash 6.3 10.0 0.0% 0 24.04s 471 0
Qwen3.5-9B 2.6 10.0 0.0% 0 135.61s 6,150 31,393
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Flash 4.5 2.1 66.7% 1 111.96s 2,664 0
Qwen3.5-9B 3.0 10.0 0.0% 0 0ms 0 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Flash 10.0 10.0 100.0% 0 23.79s 195 0
Qwen3.5-9B 3.6 5.6 33.3% 1 87.31s 1,383 32,113
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Flash 5.3 10.0 33.3% 0 19.73s 18 0
Qwen3.5-9B 3.6 7.2 22.2% 1 137.75s 11,549 48,475
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Flash 4.2 9.9 0.0% 0 23.74s 67 0
Qwen3.5-9B 2.8 1.6 33.3% 1 226.38s 0 30,695
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Flash 6.5 10.0 50.0% 0 17.54s 321 0
Qwen3.5-9B 6.4 5.8 66.7% 1 17.15s 599 4,517
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Flash 3.1 7.3 11.1% 1 22.96s 207 0
Qwen3.5-9B 3.1 10.0 0.0% 0 33.38s 1,545 11,844
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Flash 10.0 10.0 100.0% 0 77.93s 327 0
Qwen3.5-9B 10.0 10.0 100.0% 0 4.31s 444 1,149

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