Z.AI: GLM 5.3

z-ai/glm-5.3

GLM-5.3 is an advanced large language model designed to deliver strong performance across a wide range of natural language processing tasks, including text generation, reasoning, summarization, translation, coding assistance, and conversational interaction. Built on the GLM architecture, it aims to provide more accurate understanding, more coherent responses, and improved instruction-following capabilities. With enhanced contextual comprehension and multilingual support, GLM-5.3 can be applied in education, business, research, software development, and intelligent assistant scenarios, offering users an efficient and flexible AI-powered solution for complex language tasks.

Model specifications

Input
text
Output
text
Context
1,024,000 tokens
Max output
128,000 tokens
Input price
.4 / 1M tokens
Output price
$4.4 / 1M tokens
Released
2026-08-18

Capabilities

  • Streaming
  • Function calling
  • Vision
  • JSON mode

Provider pricing, discounts and data privacy

Compare effective provider prices, published discounts, regions, retention policies, training use, compliance, and privacy links by service tier.

Standard service tier

2 available providers · tier input average .4 / 1M tokens · tier output average $4.4 / 1M tokens

Tencent Cloud

Tier: Standard

Pricing
Input
.4 / 1M tokens
Output
$4.4 / 1M tokens
Cache read
$0.26 / 1M tokens

No provider discount is currently published.

Data privacy and compliance
Zero data retention
Yes
Data retention
Unknown retention
Used for training
No
Data collection
Moderated
No
GDPR compliant
No
HIPAA compliant
No
SOC 2 certified
No
BYOK supported
No

Privacy policy · Terms · Official website · Documentation · Support

Z.ai

Tier: Standard · Region: SG

Pricing
Input
.4 / 1M tokens
Output
$4.4 / 1M tokens
Cache read
$0.26 / 1M tokens

No provider discount is currently published.

Data privacy and compliance
Region
SG
Zero data retention
Yes
Data retention
Zero retention
Used for training
No
Data collection
Moderated
No
GDPR compliant
No
HIPAA compliant
No
SOC 2 certified
No
BYOK supported
No

Privacy policy · Terms · Official website · Documentation · Support

Frequently asked questions

What is Z.AI: GLM 5.3?
GLM-5.3 is an advanced large language model designed to deliver strong performance across a wide range of natural language processing tasks, including text generation, reasoning, summarization, translation, coding assistance, and conversational interaction. Built on the GLM architecture, it aims to provide more accurate understanding, more coherent responses, and improved instruction-following capabilities. With enhanced contextual comprehension and multilingual support, GLM-5.3 can be applied in education, business, research, software development, and intelligent assistant scenarios, offering users an efficient and flexible AI-powered solution for complex language tasks.
How much does Z.AI: GLM 5.3 cost?
Input costs start at .4 / 1M tokens and output costs start at $4.4 / 1M tokens. Provider-level prices vary by service tier.
What is the context length of Z.AI: GLM 5.3?
Z.AI: GLM 5.3 supports a 1,024,000 token context window and up to 128,000 output tokens.
What capabilities does Z.AI: GLM 5.3 support?
Z.AI: GLM 5.3 supports Streaming, Function calling, Vision, JSON mode.
Which providers offer Z.AI: GLM 5.3?
Z.AI: GLM 5.3 is available from Tencent Cloud, Z.ai.
How do providers handle data privacy for Z.AI: GLM 5.3?
2 of 2 providers report that customer data is not used for training, and 2 offer zero-data-retention routing. Retention, compliance, and privacy-policy links are listed per provider.

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