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DeepSeek V4 Flash 0423 vs Qwen3.5 Plus 2026-02-15

The average score is effectively tied at 6.3 vs 6.3. DeepSeek V4 Flash 0423 has the lower benchmark cost at $0.018 vs $0.176. Qwen3.5 Plus 2026-02-15 is faster at 20.07s vs 38.64s, with pass rates of 30.4% vs 52.2%.

Last updated at: 2026-10-03

Compared models

Rank
#227
Total Output Tokens
115,591
Response Time (avg)
38.64s
Total Cost
$0.018
Rank
#221
Total Output Tokens
53,060
Response Time (avg)
20.07s
Total Cost
$0.176
Recommended model Qwen3.5 Plus 2026-02-15

It has the best score here (6.3), while responding about 1.9x faster than DeepSeek V4 Flash 0423.

Detailed comparison

Metric DeepSeek V4 Flash 0423 DeepSeek V4 Flash 0423 none Release: 2026-04-24 Qwen3.5 Plus 2026-02-15 Qwen3.5 Plus 2026-02-15 none Release: 2026-02-15
Score 6.3 6.3
Rank #227 #221
Reliability 10.0 10.0
Consistency 8.6 9.1
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 30.4% 52.2%
Flaky tests 4 3
Total Runs 69 69
Cost per result 1.220 1.593
Total Cost $0.018 $0.176
Input Price $0.028 / 1M $0.260 / 1M
Output Price $0.056 / 1M $1.560 / 1M
Cache Read Price $0.006 / 1M N/A
Cache Write Price N/A N/A
Total Input Tokens 403,455 346,064
Output Tokens 115,591 53,060
Reasoning Tokens 0 0
Response Time (avg) 38.64s 20.07s
Response Time (max) 247.27s 183.50s
Response Time (total) 888.69s 341.27s
Parameters 284B total (13B active) ~397B total (~17B active)
Availability Open source Closed

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

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

#227 DeepSeek V4 Flash 0423

none
Cost
$0.004
Time
157.6s
Tokens
11,297 tok

#221 Qwen3.5 Plus 2026-02-15

none
Cost
$0.012
Time
153.2s
Tokens
7,787 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 Flash 0423 4.2 7.4 11.1% 1 17.13s 7,279 9,717 0
Qwen3.5 Plus 2026-02-15 4.3 7.9 11.1% 1 2.05s 7,913 473 0

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