glm-4.5

deprecatedmit355B / 32B

GLM-4.5 and GLM-4.5-Air are Z.AI's models, purpose-built as foundational models for agent-oriented applications. Both leverage a Mixture-of-Experts (MoE) architecture. GLM-4.5 has a total parameter count of 355B with 32B active parameters per forward pass, while GLM-4.5-Air adopts a more streamlined design with 106B total parameters and 12B active parameters.

Context
128K
Max output
96K
Input price
$0.6/1M tokens
Output price
$2.2/1M tokens

Capabilities

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

Details

Model IDzai/glm-4.5
Familyglm-4.5
Licensemit
Statusdeprecated
Typechat
Input modalitiestext
Output modalitiestext
Open weightYes
Parameters355B / 32B
Architecturemoe
Context window128K tokens
Max input—
Max output96K tokens
Reasoning tokens—
Knowledge cutoff—
Release date—
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Input
$0.6
Output
$2.2
Cache write
—
Cache read
—
Batch in
—
Batch out
—

Family Comparison: glm-4.5

ModelContextMax outPricing
glm-4.5-air128K—$0.2$1.1
glm-4.5128K96K$0.6$2.2
glm-4.5v66K16K$0.6$1.8

API

GET/v1/models/vercel/zai/glm-4.5

glm-4.5

deprecated
zai/glm-4.5

GLM-4.5 and GLM-4.5-Air are Z.AI's models, purpose-built as foundational models for agent-oriented applications. Both leverage a Mixture-of-Experts (MoE) architecture. GLM-4.5 has a total parameter count of 355B with 32B active parameters per forward pass, while GLM-4.5-Air adopts a more streamlined design with 106B total parameters and 12B active parameters.

Changes · 6 entries
zai/glm-4.5updateca7a400Nov 2, 2026, 03:02 AM
created_byzhipu→zai
context_window131100→128000
zai/glm-4.5update0ed066aJul 31, 2026, 11:38 AM
created_byzhipu→zai
zai/glm-4.5update88d97e5Jun 30, 2026, 04:49 AM
context_window131100→128000
zai/glm-4.5updateb301ebeMar 23, 2026, 11:47 PM
modalitiesinput["text"]output["text"]
zai/glm-4.5update2b100acMar 23, 2026, 05:30 AM
familyglm-4.5
model_typechat
tools["function_calling"]
zai/glm-4.5create7f5c66fMar 21, 2026, 05:16 AM