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DeepSeek V4.1 Flash (low) vs GPT-5.4 Mini (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 $1.008. DeepSeek V4.1 Flash (low) is faster at 28.04s vs 29.94s, with pass rates of 73.9% vs 69.6%.

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
#99
Total Output Tokens
184,172
Response Time (avg)
29.94s
Total Cost
$1.008
Recommended model DeepSeek V4.1 Flash (low)

It has the best score here (8.0), while costing about 6.6x less than GPT-5.4 Mini (medium).

Detailed comparison

Metric DeepSeek V4.1 Flash DeepSeek V4.1 Flash low Release: 2026-09-10 GPT-5.4 Mini GPT-5.4 Mini medium Release: 2026-03-17
Score 8.0 7.9
Rank #90 #99
Reliability 9.6 10.0
Consistency 8.7 8.2
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 73.9% 69.6%
Flaky tests 4 5
Total Runs 69 69
Cost per result 1.576 7.754
Total Cost $0.153 $1.008
Input Price $0.020 / 1M $0.750 / 1M
Output Price $0.396 / 1M $4.500 / 1M
Total Input Tokens 266,849 238,925
Output Tokens 8,284 7,109
Reasoning Tokens 363,263 177,063
Response Time (avg) 28.04s 29.94s
Response Time (max) 149.84s 138.75s
Response Time (total) 645.03s 688.57s
Parameters 748B total (16B active) ~400B total (~17B active)
Availability Open source Closed

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

#99 GPT-5.4 Mini

medium
Cost
$0.056
Time
95.5s
Tokens
12,464 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
GPT-5.4 Mini 8.4 7.4 88.9% 1 57.87s 7,305 467 40,902

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