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DeepSeek V4.1 Flash vs DeepSeek V4 Flash 0423

The average score is effectively tied at 5.4 vs 5.4. DeepSeek V4 Flash 0423 has the lower benchmark cost at $0.040 vs $0.185. DeepSeek V4.1 Flash is faster at 14.85s vs 36.17s, with pass rates of 34.9% vs 27.3%.

Last updated at: 2026-09-10

Compared models

Rank
#248
Total Output Tokens
273,780
Response Time (avg)
14.85s
Total Cost
$0.185
Rank
#247
Total Output Tokens
100,726
Response Time (avg)
36.17s
Total Cost
$0.040
Recommended model DeepSeek V4 Flash 0423

It has the best score here (5.4), while costing about 4.7x less than DeepSeek V4.1 Flash.

Detailed comparison

Metric DeepSeek V4.1 Flash DeepSeek V4.1 Flash none Release: 2026-09-10 DeepSeek V4 Flash 0423 DeepSeek V4 Flash 0423 none Release: 2026-04-24
Score 5.4 5.4
Rank #248 #247
Reliability 9.6 10.0
Consistency 9.3 8.5
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 34.9% 27.3%
Flaky tests 2 4
Total Runs 66 66
Cost per result 2.642 1.146
Total Cost $0.185 $0.040
Input Price $0.150 / 1M $0.089 / 1M
Output Price $0.600 / 1M $0.178 / 1M
Total Input Tokens 137,687 240,230
Output Tokens 273,780 100,726
Reasoning Tokens 0 0
Response Time (avg) 14.85s 36.17s
Response Time (max) 247.66s 247.27s
Response Time (total) 326.72s 795.83s
Parameters 748B total (16B active) 284B total (13B active)
Availability Open source Open source

Model generation showcase

Hamster playing table tennis

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

#248 DeepSeek V4.1 Flash

none
Cost
$0.021
Time
55.4s
Tokens
17,181 tok

#247 DeepSeek V4 Flash 0423

none
Cost
$0.004
Time
157.6s
Tokens
11,297 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 5.5 10.0 33.3% 0 83.66s 7,284 263,438 0
DeepSeek V4 Flash 0423 4.2 7.4 11.1% 1 17.13s 7,279 9,717 0

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