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DeepSeek V4.1 Flash 1017 vs GPT-5 Nano (medium)

DeepSeek V4.1 Flash 1017 leads on average score with 5.8 vs 5.7. DeepSeek V4.1 Flash 1017 has the lower benchmark cost at $0.055 vs $0.159. DeepSeek V4.1 Flash 1017 is faster at 3.46s vs 56.55s, with pass rates of 36.2% vs 53.6%.

Last updated at: 2026-10-19

Compared models

Rank
#296
Total Output Tokens
16,806
Response Time (avg)
3.46s
Total Cost
$0.055
Rank
#302
Total Output Tokens
307,921
Response Time (avg)
56.55s
Total Cost
$0.159
Recommended model DeepSeek V4.1 Flash 1017

It has the best score here (5.8), while costing about 2.9x less than GPT-5 Nano (medium).

Detailed comparison

Metric DeepSeek V4.1 Flash 1017 DeepSeek V4.1 Flash 1017 none Release: 2026-10-18 GPT-5 Nano GPT-5 Nano medium Release: 2025-08-07
Score 5.8 5.7
Rank #296 #302
Reliability 10.0 10.0
Consistency 9.7 6.5
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 36.2% 53.6%
Flaky tests 1 10
Total Runs 69 69
Cost per result 0.678 1.737
Total Cost $0.055 $0.159
Input Price $0.150 / 1M $0.050 / 1M
Output Price $0.600 / 1M $0.400 / 1M
Cache Read Price $0.003 / 1M $0.005 / 1M
Cache Write Price N/A N/A
Total Input Tokens 293,927 314,436
Output Tokens 16,806 13,578
Reasoning Tokens 0 294,343
Response Time (avg) 3.46s 56.55s
Response Time (max) 43.95s 227.89s
Response Time (total) 79.48s 961.32s
Parameters ~748B total (~16B 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.

#296 DeepSeek V4.1 Flash 1017

none
Cost
$0.001
Time
7.1s
Tokens
2,012 tok

#302 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 V4.1 Flash 1017 5.6 9.9 33.3% 0 2.38s 7,284 3,922 0
GPT-5 Nano 7.0 7.7 55.6% 1 41.62s 7,305 740 41,152

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