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DeepSeek V4.1 Flash (low) vs Qwen3.5-27B (medium)

DeepSeek V4.1 Flash (low) leads on average score with 8.0 vs 7.9. DeepSeek V4.1 Flash (low) has the lower benchmark cost at $0.153 vs $1.135. DeepSeek V4.1 Flash (low) is faster at 28.04s vs 114.73s, with pass rates of 73.9% vs 76.8%.

Last updated at: 2026-10-01

Compared models

Rank
#90
Total Output Tokens
371,547
Response Time (avg)
28.04s
Total Cost
$0.153
Rank
#96
Total Output Tokens
635,288
Response Time (avg)
114.73s
Total Cost
$1.135
Recommended model DeepSeek V4.1 Flash (low)

It has the best score here (8.0), while costing about 7.4x less than Qwen3.5-27B (medium).

Detailed comparison

Metric DeepSeek V4.1 Flash DeepSeek V4.1 Flash low Release: 2026-09-10 Qwen3.5-27B Qwen3.5-27B medium Release: 2026-02-24
Score 8.0 7.9
Rank #90 #96
Reliability 9.6 10.0
Consistency 8.7 7.9
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 73.9% 76.8%
Flaky tests 4 6
Total Runs 69 69
Cost per result 1.576 8.104
Total Cost $0.153 $1.135
Input Price $0.020 / 1M $0.195 / 1M
Output Price $0.396 / 1M $1.560 / 1M
Total Input Tokens 266,849 288,919
Output Tokens 8,284 17,484
Reasoning Tokens 363,263 617,804
Response Time (avg) 28.04s 114.73s
Response Time (max) 149.84s 1026.43s
Response Time (total) 645.03s 2638.74s
Parameters 748B total (16B active) 27B
Availability Open source Open source

Model generation showcase

Hamster playing table tennis

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

#90 DeepSeek V4.1 Flash

low
Cost
$0.017
Time
43.6s
Tokens
14,069 tok

#96 Qwen3.5-27B

medium
Cost
$0.008
Time
62.0s
Tokens
3,099 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
DeepSeek V4.1 Flash 10.0 10.0 100.0% 0 40.66s 7,509 378 81,978
Qwen3.5-27B 6.2 7.1 55.6% 1 160.69s 7,895 6,381 89,388

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