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GPT-5.6 Terra (medium) vs GLM 5.3 FlashX Legal (high)

The average score is effectively tied at 8.2 vs 8.2. GPT-5.6 Terra (medium) has the lower benchmark cost at $0.483 vs $0.521. GPT-5.6 Terra (medium) is faster at 8.93s vs 35.19s, with pass rates of 71.0% vs 72.5%.

Last updated at: 2026-11-10

Compared models

Rank
#126
Total Output Tokens
33,189
Response Time (avg)
8.93s
Total Cost
$0.483
Rank
#127
Total Output Tokens
345,985
Response Time (avg)
35.19s
Total Cost
$0.521
Recommended model GPT-5.6 Terra (medium)

It has the best score here (8.2), while responding about 3.9x faster than GLM 5.3 FlashX Legal (high).

Detailed comparison

Metric GPT-5.6 Terra GPT-5.6 Terra medium Release: 2026-07-09 GLM 5.3 FlashX Legal GLM 5.3 FlashX Legal high Release: 2026-11-02
Score 8.2 8.2
Rank #126 #127
Reliability 10.0 9.7
Consistency 9.3 8.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 71.0% 72.5%
Flaky tests 2 4
Total Runs 69 69
Cost per result 5.768 3.473
Total Cost $0.483 $0.521
Input Price $2.000 / 1M $0.370 / 1M
Output Price $12.000 / 1M $1.250 / 1M
Cache Read Price $0.200 / 1M $0.075 / 1M
Cache Write Price $2.500 / 1M N/A
Total Input Tokens 172,507 238,713
Output Tokens 5,824 7,034
Reasoning Tokens 27,365 338,951
Response Time (avg) 8.93s 35.19s
Response Time (max) 54.74s 298.81s
Response Time (total) 205.39s 809.47s
Parameters ~1T total (~60B active) ~320B total (~18B active)
Availability Closed Closed

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.

#126 GPT-5.6 Terra

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

#127 GLM 5.3 FlashX Legal

high
Cost
$0.018
Time
103.8s
Tokens
13,703 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 5.3 FlashX Legal 8.2 7.2 88.9% 1 27.50s 7,317 397 31,799

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