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GPT-5.6 Terra vs GLM 5.3 Flash (low)

GPT-5.6 Terra leads on average score with 6.0 vs 5.9. GLM 5.3 Flash (low) has the lower benchmark cost at $0.015 vs $0.280. GPT-5.6 Terra is faster at 1.66s vs 9.65s, with pass rates of 42.4% vs 56.1%.

Last updated at: 2026-08-26

Rank
#186
Total Output Tokens
6,221
Response Time (avg)
1.66s
Total Cost
$0.280
Rank
#195
Total Output Tokens
23,736
Response Time (avg)
9.65s
Total Cost
$0.015
Recommended model GLM 5.3 Flash (low)

Its score stays close to the best score here (5.9 vs 6.0), while costing about 18.9x less than GPT-5.6 Terra.

Detailed comparison

Metric GPT-5.6 Terra GPT-5.6 Terra none Release: 2026-07-09 GLM 5.3 Flash GLM 5.3 Flash low Release: 2026-08-26
Score 6.0 5.9
Rank #186 #195
Reliability 10.0 10.0
Consistency 8.9 8.4
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 42.4% 56.1%
Flaky tests 3 4
Total Runs 66 66
Cost per result 4.356 0.148
Total Cost $0.280 $0.015
Input Price $2.000 / 1M $0.075 / 1M
Output Price $12.000 / 1M $0.250 / 1M
Total Input Tokens 102,268 117,551
Output Tokens 6,221 9,199
Reasoning Tokens 0 14,537
Response Time (avg) 1.66s 9.65s
Response Time (max) 10.07s 90.45s
Response Time (total) 36.54s 212.22s
Parameters ~1T total (~60B 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.

#186 GPT-5.6 Terra

none
Cost
$0.030
Time
14.7s
Tokens
2,082 tok

#195 GLM 5.3 Flash

low
Cost
$0.001
Time
20.7s
Tokens
1,482 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 5.5 10.0 33.3% 0 1.00s 7,302 336 0
GLM 5.3 Flash 5.4 7.2 44.4% 1 10.38s 7,317 398 3,973

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