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

The average score is effectively tied at 8.7 vs 8.8. DeepSeek V4.1 Flash (high) has the lower benchmark cost at $0.617 vs $2.213. GPT-5.4 (medium) is faster at 24.81s vs 33.27s, with pass rates of 75.4% vs 78.3%.

Last updated at: 2026-10-24

Compared models

Rank
#64
Total Output Tokens
464,156
Response Time (avg)
33.27s
Total Cost
$0.617
Rank
#62
Total Output Tokens
96,502
Response Time (avg)
24.81s
Total Cost
$2.213
Recommended model DeepSeek V4.1 Flash (high)

It has the best score here (8.7), while costing about 3.6x less than GPT-5.4 (medium).

Detailed comparison

Metric DeepSeek V4.1 Flash DeepSeek V4.1 Flash high Release: 2026-09-10 GPT-5.4 GPT-5.4 medium Release: 2026-03-05
Score 8.7 8.8
Rank #64 #62
Reliability 9.7 10.0
Consistency 9.0 8.7
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 75.4% 78.3%
Flaky tests 3 4
Total Runs 69 69
Cost per result 1.843 12.535
Total Cost $0.617 $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 282,490 223,210
Output Tokens 8,621 7,312
Reasoning Tokens 455,535 89,190
Response Time (avg) 33.27s 24.81s
Response Time (max) 205.53s 100.41s
Response Time (total) 765.12s 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.

#64 DeepSeek V4.1 Flash

high
Cost
$0.035
Time
111.0s
Tokens
29,201 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 49.19s 7,509 376 108,285
GPT-5.4 8.8 7.8 88.9% 1 44.36s 7,305 433 24,216

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