BigModel

BigModel

Zhipu AI's full-stack GLM platform for model APIs, multimodal applications, and agent development

Model & API PlatformModel APIGLMMultimodal AITrial

BigModel is Zhipu AI's foundation model platform, offering GLM APIs for language, multimodal understanding, code, image, and video workflows. It also provides RAG, fine-tuning, and agent-building tools for developers and enterprises.

Updated

2026-09-03

Platforms

Web / API

Freemium

New users receive free trial Token credits after registration. Usage is billed by model and by input/output Tokens, generally per million Tokens; lightweight models such as GLM-4-Flash may be free or very low cost. Discounted resource packages are available, while large enterprises can request dedicated-cloud hosting or private deployment. Exact model prices and quotas vary by model and current offer.

* Pricing is for reference only; see the official site for current pricing.

BigModel
open.bigmodel.cn

Key Features

  • Model APIs

    Integrate text, vision, code, image, and video capabilities through APIs.

  • Knowledge retrieval

    Ground model responses in enterprise documents and knowledge bases.

  • Fine-tuning

    Customize model behavior and domain performance with fine-tuning workflows.

  • Agent development

    Create agents that plan tasks, call APIs, use tools, and execute multi-step workflows.

Best For

Application developers

Build customer service, content, coding, and multimodal products with GLM APIs without operating model infrastructure.

Enterprise technology teams

Combine private data, RAG, embeddings, fine-tuning, and security controls into tailored AI solutions.

AI agent builders

Create domain agents with planning, tool calling, API access, and complex workflow execution.

Pros

  • Broad GLM language and multimodal model coverage
  • Includes RAG, fine-tuning, and agent tooling
  • Offers enterprise deployment and security options

Considerations

  • Pricing and quotas vary by model and usage
  • Primarily optimized for Chinese-language and China-market workflows
  • Production deployment requires engineering and governance work

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