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GPT-6 Luna (high) vs Qwen3.8 Flash Next (medium)

GPT-6 Luna (high) leads on average score with 7.7 vs 7.6. Qwen3.8 Flash Next (medium) has the lower benchmark cost at ~$0.047 vs $0.074. GPT-6 Luna (high) is faster at 20.37s vs 24.79s, with pass rates of 73.9% vs 75.4%.

Last updated at: 2026-10-05

Compared models

Rank
#114
Total Output Tokens
101,587
Response Time (avg)
20.37s
Total Cost
$0.074
Rank
#119
Total Output Tokens
143,965
Response Time (avg)
24.79s
Total Cost
~$0.047
Recommended model GPT-6 Luna (high)

It has the strongest score in this comparison (7.7) and the best overall balance of cost and response time across all 2 models.

Detailed comparison

Metric GPT-6 Luna GPT-6 Luna high Release: 2026-09-23 Qwen3.8 Flash Next Qwen3.8 Flash Next medium Release: 2026-10-04
Score 7.7 7.6
Rank #114 #119
Reliability 10.0 10.0
Consistency 8.7 7.9
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 73.9% 75.4%
Flaky tests 4 6
Total Runs 69 69
Cost per result 0.492 ~0.314
Total Cost $0.074 ~$0.047
Input Price $0.100 / 1M N/A
Output Price $0.500 / 1M N/A
Cache Read Price $0.010 / 1M N/A
Cache Write Price $0.125 / 1M N/A
Total Input Tokens 229,986 278,792
Output Tokens 6,037 1,695
Reasoning Tokens 95,550 142,270
Response Time (avg) 20.37s 24.79s
Response Time (max) 106.93s 159.62s
Response Time (total) 468.52s 570.26s
Parameters ~400B total (~17B active) 180B total (6B active)
Availability Closed Weights available

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.

#114 GPT-6 Luna

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

#119 Qwen3.8 Flash Next

medium
Cost
~$0.002
Time
40.7s
Tokens
4,059 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
Qwen3.8 Flash Next 10.0 10.0 100.0% 0 45.53s 7,893 346 37,643

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