OpenRouter
GLM-5.3
Flagship GLM model for hybrid reasoning, coding, and agentic engineering
z-ai/glm-5.3Context
1.3M
Max output
131.1K
Input $/M
$1.09
Output $/M
$3.43
Cache read $/M
$0.20
Cache write $/M
—
Against the catalogue
Context window1.3M
Larger than 99% of the 7,784 models listed
Input price$1.09
Cheaper than 34% of priced models
Capabilities
Reasoningsupported
Tool callingsupported
Structured outputsupported
Attachmentsnot supported
Temperaturesupported
Open weightssupported
Interleaved thinkingnot supported
Modalities
Input
Text
Output
Text
Reasoning controls
effortlow, high, maxPricing detail
| Rate | Base $/M |
|---|---|
| Input | $1.09 |
| Output | $3.43 |
| Cache read | $0.20 |