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DeepSeek V4.1 Flash vs GPT-6 Luna (medium)

GPT-6 Luna (medium) leads on average score with 8.3 vs 5.8. GPT-6 Luna (medium) has the lower benchmark cost at $0.047 vs $0.391. DeepSeek V4.1 Flash is faster at 16.63s vs 18.07s, with pass rates of 36.2% vs 73.9%.

Last updated at: 2026-10-24

Compared models

Rank
#301
Total Output Tokens
292,779
Response Time (avg)
16.63s
Total Cost
$0.391
Rank
#97
Total Output Tokens
53,161
Response Time (avg)
18.07s
Total Cost
$0.047
Recommended model GPT-6 Luna (medium)

It has the best score here (8.3), while costing about 8.3x less than DeepSeek V4.1 Flash.

Detailed comparison

Metric DeepSeek V4.1 Flash DeepSeek V4.1 Flash none Release: 2026-09-10 GPT-6 Luna GPT-6 Luna medium Release: 2026-09-23
Score 5.8 8.3
Rank #301 #97
Reliability 9.7 10.0
Consistency 9.1 8.9
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 36.2% 73.9%
Flaky tests 3 3
Total Runs 69 69
Cost per result 2.806 0.313
Total Cost $0.391 $0.047
Input Price $0.013 / 1M $0.100 / 1M
Output Price $1.320 / 1M $0.500 / 1M
Cache Read Price $0.013 / 1M $0.010 / 1M
Cache Write Price N/A $0.125 / 1M
Total Input Tokens 337,756 203,193
Output Tokens 292,779 5,751
Reasoning Tokens 0 47,410
Response Time (avg) 16.63s 18.07s
Response Time (max) 247.66s 66.44s
Response Time (total) 382.53s 415.53s
Parameters 748B total (16B active) ~400B total (~17B 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.

#301 DeepSeek V4.1 Flash

none
Cost
$0.021
Time
55.4s
Tokens
17,181 tok

#97 GPT-6 Luna

medium
Cost
$0.002
Time
23.6s
Tokens
2,966 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 5.5 10.0 33.3% 0 83.66s 7,284 263,438 0
GPT-6 Luna 6.6 4.6 77.8% 2 23.63s 7,302 438 10,222

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