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GPT-6 Luna vs GLM 5.1

GLM 5.1 leads on average score with 5.7 vs 5.6. GPT-6 Luna has the lower benchmark cost at $0.012 vs $0.164. GLM 5.1 is faster at 6.74s vs 19.08s, with pass rates of 42.4% vs 45.5%.

Last updated at: 2026-09-23

Compared models

Rank
#260
Total Output Tokens
5,508
Response Time (avg)
19.08s
Total Cost
$0.012
Rank
#253
Total Output Tokens
14,393
Response Time (avg)
6.74s
Total Cost
$0.164
Recommended model GPT-6 Luna

Its score stays close to the best score here (5.6 vs 5.7), while costing about 14.3x less than GLM 5.1.

Detailed comparison

Metric GPT-6 Luna GPT-6 Luna none Release: 2026-09-23 GLM 5.1 GLM 5.1 none Release: 2026-04-07
Score 5.6 5.7
Rank #260 #253
Reliability 9.9 10.0
Consistency 8.1 8.2
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 42.4% 45.5%
Flaky tests 5 5
Total Runs 66 66
Cost per result 0.164 2.073
Total Cost $0.012 $0.164
Input Price $0.100 / 1M $0.966 / 1M
Output Price $0.500 / 1M $3.036 / 1M
Total Input Tokens 87,216 124,219
Output Tokens 5,508 14,393
Reasoning Tokens 0 0
Response Time (avg) 19.08s 6.74s
Response Time (max) 98.62s 61.20s
Response Time (total) 419.83s 148.20s
Parameters ~400B total (~17B active) 744B total (40B active)
Availability Closed Open source

Model generation showcase

Hamster playing table tennis

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

#260 GPT-6 Luna

none
Cost
$0.002
Time
26.0s
Tokens
3,235 tok

#253 GLM 5.1

none
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 5.5 10.0 33.3% 0 8.04s 7,302 376 0
GLM 5.1 3.9 9.7 0.0% 0 4.96s 7,256 525 0

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