Model Comparator

Compare up to four models using the same criteria.

Claude Opus 4.8 (batch)
Anthropic
GLM-5.3-Flash
Z.AI

Differences only

✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.

Model Comparator
Metrics	Claude Opus 4.8 (batch) Anthropic	GLM-5.3-Flash Z.AI
Intelligence	41.8	41.8
Coding	Best: 74.3	71.5
Agentic	41.9	Best: 50.9
Cyber Index	—	49.9%
Speed	—	75.5 t/s
TTFT	—	2.75 s
Input · $ / 1M tokens	$2.50×16.7 relative to the lowest price among the compared models	Best: $0.15
Output · $ / 1M tokens	$12.50×25 relative to the lowest price among the compared models	Best: $0.50
Context window	1M	1M
Reasoning	Yes	Yes
Open weights	—	Yes
Cost / task	—	$0.284

Intelligence

Claude Opus 4.8 (batch): 41.8
GLM-5.3-Flash: 41.8

Coding

Claude Opus 4.8 (batch): Best: 74.3
GLM-5.3-Flash: 71.5

Agentic

Claude Opus 4.8 (batch): 41.9
GLM-5.3-Flash: Best: 50.9

Cyber Index

Claude Opus 4.8 (batch): —
GLM-5.3-Flash: 49.9%

Speed

Claude Opus 4.8 (batch): —
GLM-5.3-Flash: 75.5 t/s

TTFT

Claude Opus 4.8 (batch): —
GLM-5.3-Flash: 2.75 s

Input · $ / 1M tokens

Claude Opus 4.8 (batch): $2.50×16.7 relative to the lowest price among the compared models
GLM-5.3-Flash: Best: $0.15

Output · $ / 1M tokens

Claude Opus 4.8 (batch): $12.50×25 relative to the lowest price among the compared models
GLM-5.3-Flash: Best: $0.50

Context window

Claude Opus 4.8 (batch): 1M
GLM-5.3-Flash: 1M

Reasoning

Claude Opus 4.8 (batch): Yes
GLM-5.3-Flash: Yes

Open weights

Claude Opus 4.8 (batch): —
GLM-5.3-Flash: Yes

Cost / task

Claude Opus 4.8 (batch): —
GLM-5.3-Flash: $0.284

Each reasoning level remains a separate configuration.

Score and cost

Each line joins the reasoning levels of a compared model; the large point marks the configuration in the table. The top-right corner holds the best score for the lowest cost. Select another point to compare that level.

Claude Opus 4.8 (batch)41.8 · $5
GLM-5.3-Flash41.8 · $0.237