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

The average score is effectively tied at 7.2 vs 7.2. GLM 5 (medium) has the lower benchmark cost at $0.479 vs $3.787. Claude Opus 4.8 (low) is faster at 17.13s vs 39.05s, with pass rates of 78.3% vs 76.8%.

Last updated at: 2026-10-03

Compared models

Rank
#145
Total Output Tokens
69,489
Response Time (avg)
17.13s
Total Cost
$3.787
Rank
#148
Total Output Tokens
138,257
Response Time (avg)
39.05s
Total Cost
$0.479
Recommended model GLM 5 (medium)

It has the best score here (7.2), while costing about 7.9x 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 7.2 7.2
Rank #145 #148
Reliability 10.0 10.0
Consistency 8.6 7.9
Attempts 69/69 66/69
Tests Correct
Attempt pass rate 78.3% 76.8%
Flaky tests 4 5
Total Runs 69 66
Cost per result 23.669 2.552
Total Cost $3.787 $0.479
Input Price $5.000 / 1M $0.600 / 1M
Output Price $25.000 / 1M $1.920 / 1M
Cache Read Price $0.500 / 1M $0.120 / 1M
Cache Write Price $6.250 / 1M N/A
Total Input Tokens 409,947 212,440
Output Tokens 46,060 22,922
Reasoning Tokens 23,429 115,335
Response Time (avg) 17.13s 39.05s
Response Time (max) 127.97s 110.70s
Response Time (total) 394.01s 546.68s
Parameters ~5T total (~500B 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.

#145 Claude Opus 4.8

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

#148 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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