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GPT-5.6 Luna (medium) vs Qwen3.6 Flash (medium)

The average score is effectively tied at 7.4 vs 7.4. GPT-5.6 Luna (medium) has the lower benchmark cost at $0.065 vs $0.783. GPT-5.6 Luna (medium) is faster at 9.64s vs 45.45s, with pass rates of 62.3% vs 68.1%.

Last updated at: 2026-10-07

Compared models

Rank
#132
Total Output Tokens
47,986
Response Time (avg)
9.64s
Total Cost
$0.065
Rank
#133
Total Output Tokens
652,280
Response Time (avg)
45.45s
Total Cost
$0.783
Recommended model GPT-5.6 Luna (medium)

It has the best score here (7.4), while costing about 12.1x less than Qwen3.6 Flash (medium).

Detailed comparison

Metric GPT-5.6 Luna GPT-5.6 Luna medium Release: 2026-07-09 Qwen3.6 Flash Qwen3.6 Flash medium Release: 2026-04-20
Score 7.4 7.4
Rank #132 #133
Reliability 10.0 10.0
Consistency 9.0 8.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 62.3% 68.1%
Flaky tests 3 5
Total Runs 69 69
Cost per result 2.822 6.594
Total Cost $0.065 $0.783
Input Price $0.200 / 1M $0.188 / 1M
Output Price $1.200 / 1M $1.125 / 1M
Cache Read Price $0.020 / 1M N/A
Cache Write Price $0.250 / 1M $0.235 / 1M
Total Input Tokens 212,780 258,760
Output Tokens 6,849 22,221
Reasoning Tokens 41,137 630,059
Response Time (avg) 9.64s 45.45s
Response Time (max) 58.09s 578.13s
Response Time (total) 221.62s 1045.45s
Parameters ~400B total (~17B active) ~35B total (~3B active)
Availability Closed 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.

#132 GPT-5.6 Luna

medium
Cost
$0.014
Time
14.6s
Tokens
2,362 tok

#133 Qwen3.6 Flash

medium
Invalid SVG
Cost
$0.008
Time
29.9s
Tokens
6,784 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
GPT-5.6 Luna 5.4 7.2 44.4% 1 10.38s 7,302 564 9,928
Qwen3.6 Flash 5.0 5.1 44.5% 2 42.85s 7,895 495 67,967

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