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GLM-4.5

Ready
model path:accounts/fireworks/models/glm-4p5
Deploy on demand

The GLM-4.5 series models are foundation models designed for intelligent agents. GLM-4.5 has 355 billion total parameters with 32 billion active parameters, while GLM-4.5-Air adopts a more compact design with 106 billion total parameters and 12 billion active parameters. GLM-4.5 models unify reasoning, coding, and intelligent agent capabilities to meet the complex demands of intelligent agent applications.

GLM-4.5 API Features

On-demand Deployment

Docs

On-demand deployments allow you to use GLM-4.5 on dedicated GPUs with Fireworks' high-performance serving stack with high reliability and no rate limits.

Metadata

State
Ready
Created on
29 JUL, 2025
Kind
Base model
Provider
Z.ai
Huggingface
zai-org/GLM-4.5

Specifications

Calibrated
Yes
Mixture-of-Experts
Yes
Parameters
352B

Supporting Functionality

Fine-tuning
Not Supported
Serverless
Not Supported
Context Length
131k tokens
Function Calling
Supported
Embeddings
Not Supported
Rerankers
Not Supported
Supporting image input
Not Supported

GLM-4.5 FAQs

GLM-4.5 is a hybrid MoE large language model developed by Zhipu AI. It is designed for reasoning, coding, and agentic tasks. Fireworks offers serverless and on-demand inference for the model.