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GPT-6 Luna (high) vs Qwen3.5 Plus 2026-04-20 (medium)

The average score is effectively tied at 7.7 vs 7.7. GPT-6 Luna (high) has the lower benchmark cost at $0.074 vs $0.488. GPT-6 Luna (high) is faster at 20.37s vs 54.06s, with pass rates of 73.9% vs 65.2%.

Last updated at: 2026-10-01

Compared models

Rank
#111
Total Output Tokens
101,587
Response Time (avg)
20.37s
Total Cost
$0.074
Rank
#113
Total Output Tokens
200,348
Response Time (avg)
54.06s
Total Cost
$0.488
Recommended model GPT-6 Luna (high)

It has the best score here (7.7), while costing about 6.6x less than Qwen3.5 Plus 2026-04-20 (medium).

Detailed comparison

Metric GPT-6 Luna GPT-6 Luna high Release: 2026-09-23 Qwen3.5 Plus 2026-04-20 Qwen3.5 Plus 2026-04-20 medium Release: 2026-04-20
Score 7.7 7.7
Rank #111 #113
Reliability 10.0 9.7
Consistency 8.7 9.1
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 73.9% 65.2%
Flaky tests 4 2
Total Runs 69 69
Cost per result 0.492 3.481
Total Cost $0.074 $0.488
Input Price $0.100 / 1M $0.300 / 1M
Output Price $0.500 / 1M $1.800 / 1M
Total Input Tokens 229,986 176,539
Output Tokens 6,037 4,419
Reasoning Tokens 95,550 195,929
Response Time (avg) 20.37s 54.06s
Response Time (max) 106.93s 203.01s
Response Time (total) 468.52s 1189.36s
Parameters ~400B total (~17B active) ~397B 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.

#111 GPT-6 Luna

high
Cost
$0.003
Time
49.2s
Tokens
5,231 tok

#113 Qwen3.5 Plus 2026-04-20

medium
Cost
$0.008
Time
76.7s
Tokens
4,355 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-6 Luna 7.8 7.4 77.8% 1 24.69s 7,302 483 15,691
Qwen3.5 Plus 2026-04-20 6.2 8.7 33.3% 0 125.25s 7,630 308 58,682

Quick Compare

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