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DeepSeek V4.1 Flash (medium) vs GPT-5.4 (medium)

The average score is effectively tied at 8.7 vs 8.8. DeepSeek V4.1 Flash (medium) has the lower benchmark cost at $0.591 vs $2.213. GPT-5.4 (medium) is faster at 24.81s vs 32.88s, with pass rates of 73.9% vs 78.3%.

Last updated at: 2026-10-24

Compared models

Rank
#65
Total Output Tokens
444,665
Response Time (avg)
32.88s
Total Cost
$0.591
Rank
#62
Total Output Tokens
96,502
Response Time (avg)
24.81s
Total Cost
$2.213
Recommended model DeepSeek V4.1 Flash (medium)

It has the best score here (8.7), while costing about 3.7x less than GPT-5.4 (medium).

Detailed comparison

Metric DeepSeek V4.1 Flash DeepSeek V4.1 Flash medium Release: 2026-09-10 GPT-5.4 GPT-5.4 medium Release: 2026-03-05
Score 8.7 8.8
Rank #65 #62
Reliability 9.6 10.0
Consistency 9.3 8.7
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 73.9% 78.3%
Flaky tests 2 4
Total Runs 69 69
Cost per result 1.757 12.535
Total Cost $0.591 $2.213
Input Price $0.013 / 1M $2.500 / 1M
Output Price $1.320 / 1M $15.000 / 1M
Cache Read Price $0.013 / 1M $0.250 / 1M
Cache Write Price N/A N/A
Total Input Tokens 280,643 223,210
Output Tokens 7,342 7,312
Reasoning Tokens 437,323 89,190
Response Time (avg) 32.88s 24.81s
Response Time (max) 276.31s 100.41s
Response Time (total) 756.34s 570.60s
Parameters 748B total (16B active) ~1.5T total (~100B 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.

#65 DeepSeek V4.1 Flash

medium
Cost
$0.014
Time
34.7s
Tokens
11,541 tok

#62 GPT-5.4

medium
Cost
$0.214
Time
199.6s
Tokens
14,349 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 34.45s 7,509 396 71,345
GPT-5.4 8.8 7.8 88.9% 1 44.36s 7,305 433 24,216

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