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GPT-6 Luna (low) vs GLM 5.1 (medium)

The average score is effectively tied at 7.6 vs 7.5. GPT-6 Luna (low) has the lower benchmark cost at $0.033 vs $1.546. GPT-6 Luna (low) is faster at 23.23s vs 66.38s, with pass rates of 63.8% vs 66.7%.

Last updated at: 2026-10-26

Compared models

Rank
#153
Total Output Tokens
24,880
Response Time (avg)
23.23s
Total Cost
$0.033
Rank
#156
Total Output Tokens
245,833
Response Time (avg)
66.38s
Total Cost
$1.546
Recommended model GPT-6 Luna (low)

It has the best score here (7.6), while costing about 48.3x less than GLM 5.1 (medium).

Detailed comparison

Metric GPT-6 Luna GPT-6 Luna low Release: 2026-09-23 GLM 5.1 GLM 5.1 medium Release: 2026-04-07
Score 7.6 7.5
Rank #153 #156
Reliability 9.7 9.2
Consistency 8.5 8.4
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 63.8% 66.7%
Flaky tests 4 4
Total Runs 69 69
Cost per result 0.267 9.004
Total Cost $0.033 $1.546
Input Price $0.100 / 1M $1.400 / 1M
Output Price $0.500 / 1M $4.400 / 1M
Cache Read Price $0.010 / 1M $0.260 / 1M
Cache Write Price $0.125 / 1M N/A
Total Input Tokens 195,928 331,577
Output Tokens 5,728 17,919
Reasoning Tokens 19,152 230,789
Response Time (avg) 23.23s 66.38s
Response Time (max) 89.37s 308.75s
Response Time (total) 534.22s 1460.31s
Parameters ~400B total (~17B active) 744B total (40B active)
Availability Closed Open source

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.

#153 GPT-6 Luna

low
Cost
$0.002
Time
19.2s
Tokens
2,598 tok

#156 GLM 5.1

medium
Reached the allocated time limit (300 seconds) without receiving showcase output.
Cost
$0.000
Time
300.0s
Tokens
0 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 6.0 7.2 55.6% 1 15.39s 7,302 493 6,655
GLM 5.1 4.6 3.7 44.5% 2 109.63s 5,702 4,871 37,826

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