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DeepSeek V4 Flash 0423 (high) vs GPT-5.4 Nano (medium)

DeepSeek V4 Flash 0423 (high) leads on average score with 8.1 vs 8.0. GPT-5.4 Nano (medium) has the lower benchmark cost at $0.235 vs $0.261. GPT-5.4 Nano (medium) is faster at 15.95s vs 55.99s, with pass rates of 71.0% vs 66.7%.

Last updated at: 2026-10-26

Compared models

Rank
#117
Total Output Tokens
203,134
Response Time (avg)
55.99s
Total Cost
$0.261
Rank
#121
Total Output Tokens
110,910
Response Time (avg)
15.95s
Total Cost
$0.235
Recommended model GPT-5.4 Nano (medium)

Its score stays close to the best score here (8.0 vs 8.1), while responding about 3.5x faster than DeepSeek V4 Flash 0423 (high).

Detailed comparison

Metric DeepSeek V4 Flash 0423 DeepSeek V4 Flash 0423 high Release: 2026-04-24 GPT-5.4 Nano GPT-5.4 Nano medium Release: 2026-03-17
Score 8.1 8.0
Rank #117 #121
Reliability 10.0 10.0
Consistency 8.6 8.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 71.0% 66.7%
Flaky tests 4 4
Total Runs 69 69
Cost per result 0.547 1.432
Total Cost $0.261 $0.235
Input Price $0.002 / 1M $0.200 / 1M
Output Price $1.280 / 1M $1.250 / 1M
Cache Read Price $0.002 / 1M $0.020 / 1M
Cache Write Price N/A N/A
Total Input Tokens 298,794 237,088
Output Tokens 45,873 8,235
Reasoning Tokens 188,721 102,675
Response Time (avg) 55.99s 15.95s
Response Time (max) 218.13s 94.06s
Response Time (total) 1287.87s 366.93s
Parameters 284B total (13B active) ~120B total (~5B 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.

#117 DeepSeek V4 Flash 0423

high
Cost
$0.003
Time
93.1s
Tokens
7,926 tok

#121 GPT-5.4 Nano

medium
Cost
$0.007
Time
24.6s
Tokens
4,943 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 7.8 10.0 66.7% 0 50.60s 7,279 395 34,862
GPT-5.4 Nano 6.1 4.7 66.7% 2 19.12s 7,305 516 20,778

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