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DeepSeek V4 Flash 0423 (high) vs GPT-5 Nano (medium)

DeepSeek V4 Flash 0423 (high) leads on average score with 8.1 vs 5.7. DeepSeek V4 Flash 0423 (high) has the lower benchmark cost at $0.020 vs $0.159. DeepSeek V4 Flash 0423 (high) is faster at 55.99s vs 56.55s, with pass rates of 71.0% vs 53.6%.

Last updated at: 2026-10-03

Compared models

Rank
#90
Total Output Tokens
234,594
Response Time (avg)
55.99s
Total Cost
$0.020
Rank
#260
Total Output Tokens
307,921
Response Time (avg)
56.55s
Total Cost
$0.159
Recommended model DeepSeek V4 Flash 0423 (high)

It has the best score here (8.1), while costing about 8.0x less than GPT-5 Nano (medium).

Detailed comparison

Metric DeepSeek V4 Flash 0423 DeepSeek V4 Flash 0423 high Release: 2026-04-24 GPT-5 Nano GPT-5 Nano medium Release: 2025-08-07
Score 8.1 5.7
Rank #90 #260
Reliability 10.0 10.0
Consistency 8.6 6.5
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 71.0% 53.6%
Flaky tests 4 10
Total Runs 69 69
Cost per result 0.547 1.737
Total Cost $0.020 $0.159
Input Price $0.028 / 1M $0.050 / 1M
Output Price $0.056 / 1M $0.400 / 1M
Cache Read Price $0.006 / 1M $0.005 / 1M
Cache Write Price N/A N/A
Total Input Tokens 298,794 314,436
Output Tokens 45,873 13,578
Reasoning Tokens 188,721 294,343
Response Time (avg) 55.99s 56.55s
Response Time (max) 218.13s 227.89s
Response Time (total) 1287.87s 961.32s
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.

#90 DeepSeek V4 Flash 0423

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

#260 GPT-5 Nano

medium
Cost
$0.006
Time
108.5s
Tokens
13,209 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 Nano 7.0 7.7 55.6% 1 41.62s 7,305 740 41,152

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