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Claude Opus 4.8 (low) vs GLM 5 (medium)

The average score is effectively tied at 7.8 vs 7.7. GLM 5 (medium) has the lower benchmark cost at $0.228 vs $2.089. Claude Opus 4.8 (low) is faster at 12.88s vs 33.54s, with pass rates of 80.3% vs 78.8%.

Last updated at: 2026-08-15

Rank
#70
Total Output Tokens
52,237
Response Time (avg)
12.88s
Total Cost
$2.089
Rank
#72
Total Output Tokens
124,566
Response Time (avg)
33.54s
Total Cost
$0.228
Recommended model GLM 5 (medium)

It has the best score here (7.7), while costing about 9.2x 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 GLM 5 medium Release: 2026-02-12
Score 7.8 7.7
Rank #70 #72
Reliability 10.0 10.0
Consistency 8.9 8.1
Attempts 66/66 63/66
Tests Correct
Attempt pass rate 80.3% 78.8%
Flaky tests 3 4
Total Runs 66 63
Cost per result 13.054 1.668
Total Cost $2.089 $0.228
Input Price $5.000 / 1M $0.600 / 1M
Output Price $25.000 / 1M $1.920 / 1M
Total Input Tokens 156,522 35,224
Output Tokens 43,056 21,570
Reasoning Tokens 9,181 102,996
Response Time (avg) 12.88s 33.54s
Response Time (max) 127.97s 99.85s
Response Time (total) 283.32s 435.99s
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.

#70 Claude Opus 4.8

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

#72 GLM 5

medium
Cost
$0.005
Time
20.7s
Tokens
2,068 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 10.0 10.0 100.0% 0 74.30s 7,254 2,997 52,930

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