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DeepSeek V4 Flash 0731 (low) vs GPT-5.6 Luna (medium)

The average score is effectively tied at 7.4 vs 7.4. GPT-5.6 Luna (medium) has the lower benchmark cost at $0.101 vs $0.307. GPT-5.6 Luna (medium) is faster at 9.64s vs 88.15s, with pass rates of 71.0% vs 62.3%.

Last updated at: 2026-10-01

Compared models

Rank
#124
Total Output Tokens
414,035
Response Time (avg)
88.15s
Total Cost
$0.307
Rank
#122
Total Output Tokens
47,986
Response Time (avg)
9.64s
Total Cost
$0.101
Recommended model GPT-5.6 Luna (medium)

It has the best score here (7.4), while costing about 3.1x less than DeepSeek V4 Flash 0731 (low).

Detailed comparison

Metric DeepSeek V4 Flash 0731 DeepSeek V4 Flash 0731 low Release: 2026-08-01 GPT-5.6 Luna GPT-5.6 Luna medium Release: 2026-07-09
Score 7.4 7.4
Rank #124 #122
Reliability 10.0 10.0
Consistency 8.0 9.0
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 71.0% 62.3%
Flaky tests 6 3
Total Runs 69 69
Cost per result 0.840 2.822
Total Cost $0.307 $0.101
Input Price $0.010 / 1M $0.200 / 1M
Output Price $1.280 / 1M $1.200 / 1M
Total Input Tokens 231,356 212,780
Output Tokens 43,054 6,849
Reasoning Tokens 370,981 41,137
Response Time (avg) 88.15s 9.64s
Response Time (max) 438.65s 58.09s
Response Time (total) 2027.36s 221.62s
Parameters 284B total (13B active) ~400B total (~17B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#124 DeepSeek V4 Flash 0731

low
No output was saved. The original provider response or failure reason is unavailable.
Cost
$0.000
Time
78.1s
Tokens
8,090 tok

#122 GPT-5.6 Luna

medium
Cost
$0.014
Time
14.6s
Tokens
2,362 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 0731 7.3 5.1 77.8% 2 163.31s 5,953 782 86,028
GPT-5.6 Luna 5.4 7.2 44.4% 1 10.38s 7,302 564 9,928

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