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Z.ai API Pricing Calculator

Z.ai is a leading open AI model provider developing the GLM family of multimodal and reasoning models, delivering high-performance, cost-efficient AI for enterprise, coding, agentic, and knowledge-driven applications.

Designed for developers seeking maximum price-performance, Z.ai combines open models with enterprise-ready APIs for reasoning, coding, and multimodal workloads. ModelCosts.com helps you compare GLM pricing, forecast API expenses, monitor pricing updates, and identify the most cost-effective model for every production use case.

Last updated Oct 14, 2026

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Provider Details

  • Headquarter: Beijing, China
  • Notable Models: GLM-5.2, GLM-5.1, GLM-5V-Turbo

Model Release Timeline

Z.ai is a Beijing-based artificial intelligence company behind the GLM family of large language models. Originally known as Zhipu AI, the company has become a major player in open AI by developing high-performance reasoning, coding, and multimodal models that compete with leading proprietary alternatives. Through its developer platform, businesses can integrate GLM models into chatbots, AI agents, software development tools, enterprise search, and knowledge assistants using scalable APIs. ModelCosts.com enables developers to compare GLM model pricing, estimate inference costs, monitor pricing changes, and optimize AI spending across production workloads with confidence.
Selling Points:
- Open, high-performance models: GLM models deliver competitive reasoning, coding, and multimodal capabilities with strong price-performance.
- Developer-first APIs: Simple integration for AI assistants, enterprise applications, coding tools, and autonomous AI agents.
- Built for scale: Supports high-throughput inference and enterprise deployments with flexible model options.
- Cost optimization: ModelCosts.com helps forecast API expenses, compare GLM variants, and receive pricing alerts before costs increase.
- Competitive advantage: Open-weight strategy, rapid model iteration, and efficient inference make Z.ai an attractive choice for organizations seeking lower AI infrastructure costs without sacrificing capability.

Quick Model Estimate

(USD 0.3700 per 1M tokens)
(USD 1.2500 per 1M tokens)

Your Cost Estimate

💰 Total Cost

—

for 1000 input + 1000 output tokens

📥 Input (1000 × $0.370000) —
📤 Output (1000 × $1.250000) —

Cost Breakdown

📥 Input 📤 Output

Prices are watched for changes and checked against the provider's own page.

Pricing

Active
Status
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Category

Showing 24 of 24 models

Priced per 1M tokens
Model ↕
Status ↕
Modality ↕
Input Price ↕
Output Price ↕
Cached Input ↕
Context Window ↕
View
GLM 5.3 FlashActiveText$0.1500$0.5000$0.03001,000,000 tokens→
GLM 5.3ActiveText$1.4000$4.4000$0.26001,000,000 tokens→
GLM 5.2ActiveText$1.4000$4.4000$0.26001,000,000 tokens→
GLM 5.1ActiveText$1.4000$4.4000$0.2600200,000 tokens→
GLM 5.3 FlashXActiveText$0.3700$1.2500$0.07501,048,576 tokens→
GLM 5ActiveText$1.0000$3.2000$0.2000204,800 tokens→
GLM 4.7ActiveText$0.6000$2.2000$0.1100204,800 tokens→
GLM 4.7 FlashXActiveText$0.0700$0.4000$0.0100202,752 tokens→
GLM 4.6ActiveText$0.6000$2.2000$0.1100204,800 tokens→
GLM 4.5ActiveText$0.6000$2.2000$0.1100128,000 tokens→
GLM 4.5 XActiveText$2.2000$8.9000$0.4500128,000 tokens→
GLM 4.5 AirActiveText$0.2000$1.1000$0.0300131,072 tokens→
GLM 4.5 AirXActiveText$1.1000$4.5000$0.2200131,072 tokens→
GLM 4 32B-0414-128KActiveText$0.1000$0.1000N/A128,000 tokens→
GLM ASR 2512ActiveAudio$0.0300N/AN/AN/A→
GLM 4.6V FlashActiveTextFreeFreeFree128,000 tokens→
GLM 4.5VActiveText$0.6000$1.8000$0.110065,536 tokens→
GLM 4.6V FlashXActiveText$0.0400$0.4000$0.0040128,000 tokens→
GLM 4.7 FlashActiveTextFreeFreeFree200,000 tokens→
GLM 4.5 FlashActiveTextFreeFreeFree128,000 tokens→
GLM 4.6VActiveText$0.3000$0.9000$0.0500128,000 tokens→
GLM OCRActiveImage$0.0300$0.0300N/AN/A→
Priced per image
Model ↕
Status ↕
Modality ↕
Output Price ↕
Context Window ↕
View
CogView 4ActiveImage$0.01001,024 tokens→
GLM ImageActiveImage$0.0150N/A→

Latest Models by Z.ai

GLM 5.3 FlashX Active
Multimodal
Sep 2026 1,048,576 ctx
GLM 5.3 Flash Active
Multimodal
Aug 2026 1,000,000 ctx
GLM 5.3 Active
Text
Aug 2026 1,000,000 ctx
GLM 5.2 Active
Text
Jun 2026 1,000,000 ctx
GLM 5.1 Active
Chat
Apr 2026 200,000 ctx

Recent changes at Z.ai

The latest price changes, releases, new listings and retirements involving Z.ai.

  1. New model

    Z.ai released GLM 5.3 FlashX.

  2. New model

    Z.ai released GLM 5.3 Flash.

  3. New model

    Z.ai released GLM 5.3.

  4. New model

    Z.ai released GLM 5.2.

  5. New model

    Z.ai released GLM 5.1.

See all changes, new releases and retirements →

Compare Z.ai models

Head-to-head pages for models Z.ai owns — against each other, and against other providers.

GLM 4.7 Flash vs GLM 4.7 FlashX Two Z.ai models Full comparison → GLM 4.7 Flash vs GLM 4.7 Two Z.ai models Full comparison → GLM 4.6V vs GLM 4.6 Two Z.ai models Full comparison → GLM 4.5V vs GLM 4.5 Air Two Z.ai models Full comparison → GLM 4.5V vs GLM 4.5 Two Z.ai models Full comparison → GLM 4.5 vs GLM 4.5 Air Two Z.ai models Full comparison →

Every comparison we publish →