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GPT-5.6 Luna (medium) vs GLM 5.3 Flash (high)

GPT-5.6 Luna (medium) leads on average score with 7.4 vs 7.3. GLM 5.3 Flash (high) has the lower benchmark cost at $0.084 vs $0.101. GPT-5.6 Luna (medium) is faster at 9.64s vs 29.11s, with pass rates of 62.3% vs 66.7%.

Last updated at: 2026-10-01

Compared models

Rank
#122
Total Output Tokens
47,986
Response Time (avg)
9.64s
Total Cost
$0.101
Rank
#132
Total Output Tokens
99,340
Response Time (avg)
29.11s
Total Cost
$0.084
Recommended model GPT-5.6 Luna (medium)

It has the best score here (7.4), while responding about 3.0x faster than GLM 5.3 Flash (high).

Detailed comparison

Metric GPT-5.6 Luna GPT-5.6 Luna medium Release: 2026-07-09 GLM 5.3 Flash GLM 5.3 Flash high Release: 2026-08-26
Score 7.4 7.3
Rank #122 #132
Reliability 10.0 10.0
Consistency 9.0 8.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 62.3% 66.7%
Flaky tests 3 4
Total Runs 69 69
Cost per result 2.822 0.426
Total Cost $0.101 $0.084
Input Price $0.200 / 1M $0.150 / 1M
Output Price $1.200 / 1M $0.500 / 1M
Total Input Tokens 212,780 225,013
Output Tokens 6,849 12,197
Reasoning Tokens 41,137 87,143
Response Time (avg) 9.64s 29.11s
Response Time (max) 58.09s 163.41s
Response Time (total) 221.62s 669.54s
Parameters ~400B total (~17B active) 320B total (18B active)
Availability Closed Open source

Model generation showcase

Hamster playing table tennis

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

#122 GPT-5.6 Luna

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

#132 GLM 5.3 Flash

high
Cost
$0.003
Time
186.7s
Tokens
10,486 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
GLM 5.3 Flash 8.2 7.2 88.9% 1 19.62s 7,317 373 9,973

Quick Compare

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