Excited to announce that Fireworks Training is now in preview. Train and deploy frontier models on one platform. Learn more

Model Library/Z.ai/GLM 5.1
z.ai

GLM 5.1

Try in Playground
Deploy on Demand
Fine-tune
fireworks/glm-5p1

    GLM-5.1 is Z.ai's next-generation flagship model built for agentic engineering, with stronger coding capabilities and sustained performance over long-horizon tasks with hundreds of iteration rounds. It's a 754B-parameter MoE model

    GLM 5.1 API Features

    Fine-tuning

    Docs

    GLM 5.1 can be customized with your data to improve responses. Fireworks uses LoRA to efficiently train and deploy your personalized model

    Serverless

    Docs

    Immediately run model on pre-configured GPUs and pay-per-token

    On-demand Deployment

    Docs

    On-demand deployments give you dedicated GPUs for GLM 5.1 using Fireworks' reliable, high-performance system with no rate limits.

    Available Serverless

    Run queries immediately, pay only for usage

    $1.40 / $0.26 / $4.40
    Per 1M Tokens (input/cached input/output)

    Metadata

    State
    Unknown
    Created on
    N/A
    Kind
    Unknown
    Provider
    Z.ai

    Specification

    Calibrated
    No
    Mixture-of-Experts
    No
    Parameters
    N/A

    Supported Functionality

    Fine-tuning
    Supported
    Serverless
    Supported
    Context Length
    202.8k tokens
    Function Calling
    Not supported
    Embeddings
    Not supported
    Rerankers
    Not supported
    Support image input
    Not supported