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Claude Opus 4.8 (low) vs GLM 5.2 (medium)

GLM 5.2 (medium) leads on average score with 7.8 vs 7.8. GLM 5.2 (medium) has the lower benchmark cost at $0.276 vs $2.089. Claude Opus 4.8 (low) is faster at 12.88s vs 23.28s, with pass rates of 80.3% vs 80.3%.

Last updated at: 2026-08-29

Rank
#71
Total Output Tokens
52,237
Response Time (avg)
12.88s
Total Cost
$2.089
Rank
#66
Total Output Tokens
61,761
Response Time (avg)
23.28s
Total Cost
$0.276
Recommended model GLM 5.2 (medium)

It has the best score here (7.8), while costing about 7.6x less than Claude Opus 4.8 (low).

Detailed comparison

Metric Claude Opus 4.8 Claude Opus 4.8 low Release: 2026-05-28 GLM 5.2 GLM 5.2 medium Release: 2026-06-17
Score 7.8 7.8
Rank #71 #66
Reliability 10.0 9.5
Consistency 8.9 8.0
Attempts 66/66 63/66
Tests Correct
Attempt pass rate 80.3% 80.3%
Flaky tests 3 4
Total Runs 66 63
Cost per result 13.054 2.159
Total Cost $2.089 $0.276
Input Price $5.000 / 1M $1.190 / 1M
Output Price $25.000 / 1M $3.740 / 1M
Total Input Tokens 156,522 37,199
Output Tokens 43,056 12,261
Reasoning Tokens 9,181 49,500
Response Time (avg) 12.88s 23.28s
Response Time (max) 127.97s 101.36s
Response Time (total) 283.32s 488.94s
Parameters ~5T total (~500B 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.

#71 Claude Opus 4.8

low
Cost
$0.031
Time
14.1s
Tokens
1,345 tok

#66 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
Claude Opus 4.8 6.6 4.6 77.8% 2 7.58s 10,590 3,637 809
GLM 5.2 8.2 7.2 88.9% 1 40.96s 7,317 1,475 17,123

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