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Fireworks AI

Using GLM-5.1 on Fireworks AI

Implementation guide · GLM-5 · Zhipu AI

Serverless

Quick Start

  1. 1
    Create an account at Fireworks AI and generate an API key.
  2. 2
    Use the Fireworks AI SDK or REST API to call glm-5.1 — see the documentation for request format.
  3. 3
    You'll be billed $1.40/1M input, $4.40/1M output tokens. See full pricing.

About Fireworks AI

The Fireworks AI Platform is a comprehensive generative AI solution that enables developers and businesses to build, customize, and deploy AI models at scale. It supports a diverse range of cutting-edge open-source models, including Meta's Llama and Stable Diffusion, for tasks such as natural language processing and image generation. The platform's serverless architecture allows for quick deployment without extensive infrastructure management, operating on a pay-as-you-go basis. Users can fine-tune models using parameter-efficient techniques, ensuring tailored AI solutions that maintain high performance for specific business needs. Optimized for high throughput and low latency, the platform can handle trillions of inferences daily while providing a seamless user experience. It offers tools for efficient model maintenance and iteration, allowing businesses to focus on innovation rather than complex AI model management. The platform's design facilitates easy integration and customization, enabling organizations to effectively scale their AI-powered solutions. With its cost-efficient approach and comprehensive features, the Fireworks AI Platform empowers businesses to leverage advanced AI capabilities for enhanced productivity and competitive advantage in their respective markets.

Fireworks AI offers a generative AI platform as a service, focusing on rapid product iteration and cost-efficient AI deployment. Their platform is designed to optimize the development and serving of generative AI applications, enabling businesses to quickly build and scale AI-powered solutions. Fireworks.ai emphasizes minimizing the cost to serve while maximizing the potential of generative AI technologies, making advanced AI capabilities more accessible and practical for a wide range of applications.

Pricing on Fireworks AI

TypePrice (per 1M)
Input tokens$1.40
Output tokens$4.40

Capabilities

VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode Execution

About GLM-5.1

Post-training variant of GLM-5 from Zhipu AI with enhanced reasoning and coding capabilities. 744B parameters (40-44B active) in Mixture of Experts architecture. Optimized for complex agentic workflows and multi-step reasoning. Available via Z.AI API (exclusive). Open-weight release of model weights promised but not yet available.

Model Specs

Released2026-03-27
Parameters744B total, 40-44B active
Context200k
ArchitectureMixture of Experts

More Models on Fireworks AI

Provider

Fireworks AI
Fireworks AI

San Mateo, California, United States