glm-5.3

open-weight

Z.ai's flagship model and the most capable open-weights model for coding, with major gains on long-horizon agentic tasks.

Context
1M
Max output
128K
Input price
$1.4/1M tokens
Output price
$4.4/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Prompt Caching
Fine-tuning

Details

Provider Ollama
Familyglm-5.3
Licenseopen-weight
Status—
Typechat
Input modalitiestext
Output modalitiestext
Open weightYes
Parameters—
Architecture—
Context window1M tokens
Max input—
Max output128K tokens
Reasoning tokensYes
Knowledge cutoff—
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Input
$1.4
Output
$4.4
Cache write
—
Cache read
$0.26
Batch in
—
Batch out
—

Family Comparison: glm-5.3

ModelContextMax out
glm-5.3-flash1M128K
glm-5.31M128K

API

GET/v1/models/ollama/glm-5.3

glm-5.3

Z.ai's flagship model and the most capable open-weights model for coding, with major gains on long-horizon agentic tasks.

Changes · 2 entries
glm-5.3createca7a400Nov 2, 2026, 03:02 AM
glm-5.3createe3d7dedAug 31, 2026, 04:13 AM