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

GPT-5.6 Terra (high) leads on average score with 8.3 vs 8.2. GPT-5.6 Terra (high) has the lower benchmark cost at $0.698 vs $1.007. GPT-5.6 Terra (high) is faster at 13.62s vs 26.88s, with pass rates of 69.6% vs 81.2%.

Last updated at: 2026-10-09

Compared models

Rank
#79
Total Output Tokens
60,065
Response Time (avg)
13.62s
Total Cost
$0.698
Rank
#88
Total Output Tokens
81,020
Response Time (avg)
26.88s
Total Cost
$1.007
Recommended model GPT-5.6 Terra (high)

It has the best score here (8.3), while responding about 2.0x faster than GLM 5.2 (medium).

Detailed comparison

Metric GPT-5.6 Terra GPT-5.6 Terra high Release: 2026-07-09 GLM 5.2 GLM 5.2 medium Release: 2026-06-17
Score 8.3 8.2
Rank #79 #88
Reliability 10.0 9.6
Consistency 9.4 8.1
Attempts 69/69 66/69
Tests Correct
Attempt pass rate 69.6% 81.2%
Flaky tests 2 4
Total Runs 69 66
Cost per result 8.674 2.890
Total Cost $0.698 $1.007
Input Price $2.000 / 1M $0.153 / 1M
Output Price $12.000 / 1M $12.000 / 1M
Cache Read Price $0.200 / 1M $0.150 / 1M
Cache Write Price $2.500 / 1M N/A
Total Input Tokens 197,239 227,164
Output Tokens 6,083 20,029
Reasoning Tokens 53,982 60,991
Response Time (avg) 13.62s 26.88s
Response Time (max) 91.49s 102.40s
Response Time (total) 313.21s 591.34s
Parameters ~1T total (~60B 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.

#79 GPT-5.6 Terra

high
Cost
$0.055
Time
30.2s
Tokens
3,748 tok

#88 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 7.6 7.2 77.8% 1 9.14s 7,302 370 6,087
GLM 5.2 8.2 7.2 88.9% 1 40.96s 7,317 1,475 17,123

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