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GPT-5.6 Terra (medium) vs GLM 5.2 (medium)

The average score is effectively tied at 7.8 vs 7.8. GLM 5.2 (medium) has the lower benchmark cost at $0.224 vs $0.523. GPT-5.6 Terra (medium) is faster at 6.85s vs 23.28s, with pass rates of 69.7% vs 80.3%.

Last updated at: 2026-09-10

Compared models

Rank
#86
Total Output Tokens
30,349
Response Time (avg)
6.85s
Total Cost
$0.523
Rank
#85
Total Output Tokens
61,761
Response Time (avg)
23.28s
Total Cost
$0.224
Recommended model GPT-5.6 Terra (medium)

It has the best score here (7.8), while responding about 3.4x faster than GLM 5.2 (medium).

Detailed comparison

Metric GPT-5.6 Terra GPT-5.6 Terra medium Release: 2026-07-09 GLM 5.2 GLM 5.2 medium Release: 2026-06-17
Score 7.8 7.8
Rank #86 #85
Reliability 10.0 9.5
Consistency 9.3 8.0
Attempts 66/66 63/66
Tests Correct
Attempt pass rate 69.7% 80.3%
Flaky tests 2 4
Total Runs 66 63
Cost per result 4.603 2.159
Total Cost $0.523 $0.224
Input Price $2.000 / 1M $0.966 / 1M
Output Price $12.000 / 1M $3.036 / 1M
Total Input Tokens 79,184 37,199
Output Tokens 4,878 12,261
Reasoning Tokens 25,471 49,500
Response Time (avg) 6.85s 23.28s
Response Time (max) 41.68s 101.36s
Response Time (total) 150.65s 488.94s
Parameters ~1T total (~60B 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.

#86 GPT-5.6 Terra

medium
Cost
$0.035
Time
16.3s
Tokens
2,418 tok

#85 GLM 5.2

medium
Cost
$0.041
Time
195.8s
Tokens
9,287 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 Terra 6.1 7.2 55.6% 1 7.19s 7,302 427 4,527
GLM 5.2 8.2 7.2 88.9% 1 40.96s 7,317 1,475 17,123

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