Kimi K3 on Fireworks: Frontier Intelligence You Can Own

Model Library
/Z.ai/GLM-4.5
model path:accounts/fireworks/models/glm-4p5

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

Fine-tuning

Docs

GLM-4.5 can be customized with your data to improve responses. Fireworks uses LoRA to efficiently train and deploy your personalized model

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.

GLM-4.5 FAQs

Metadata

State
Ready
Created on
7/29/2025
Kind
Base model
Provider
Z.ai
Hugging Face
zai-org/GLM-4.5

Specification

Calibrated
Yes
Mixture-of-Experts
Yes
Parameters
352B

Supported Functionality

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