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GLM-5.3

z-ai/glm-5.3

Z.ai's GLM-5.3 (August 2026), GLM-5.2's base with heavier post-training for coding and agentic work and a 1M-token context, served by Alibaba Cloud, Mistral and Together.

Get API KeyRead the Docs
API
curl "$AUDIOLAB_API_URL/v1/chat/completions" \
  -H "Authorization: Bearer $AUDIOLAB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "z-ai/glm-5.3",
  "messages": [
    {
      "role": "user",
      "content": "Help me plan my next project."
    }
  ],
  "max_tokens": 256
}'
Read docs
Input Price
$1.19 / 1M tokens
Output Price
$3.74 / 1M tokens
Context
1M tokens
Output Cap
1M tokens

Capabilities

Explore what GLM-5.3 supports, then use the API section for a request tailored to this model.

Max tokensReasoningInclude reasoning

Model Information

Product
Language Models
Release Date
Aug 18, 2026
Model Max Output
131.1K tokens
Data Policy
Not specified
Region
Global
Input
Text
Output
Text
Provider Documentation

Playground

Try GLM-5.3 by Alibaba Cloud Model Studio. Requests use the selected workspace’s credits and API pricing.

GLM-5.3Credits —
GLM-5.3
⌘ / Ctrl + Enter to send
Sign in to run a requestAPI reference

Providers

Compare available endpoints, pricing, and context limits for GLM-5.3.

ProviderContextOutput CapInput PriceOutput PriceEndpoint
Alibaba Cloud Model Studio1M tokens131.1K tokens$1.19 / 1M tokens$3.74 / 1M tokens
qwen/glm-5.3
Mistral AI1M tokens128K tokens$1.19 / 1M tokens$3.74 / 1M tokens
mistral/zai-glm-5-3
Together AI1M tokens1M tokens$1.19 / 1M tokens$3.74 / 1M tokens
together/zai-org-glm-5.3

Prices are catalog rates. Your workspace’s estimate and endpoint pricing determine the final charge.

Input and Output Limits

Formats and limits AudioLab enforces on each request.

LimitValueEndpoint
Max input tokens1048576qwen/glm-5.3
Max output tokens131072qwen/glm-5.3
Max input tokens1048576mistral/zai-glm-5-3
Max output tokens128000mistral/zai-glm-5-3
Max input tokens1048575together/zai-org-glm-5.3
Max output tokens1048575together/zai-org-glm-5.3

Provider Notes

Several hosts serve this model. A request to this ID can be answered by any of them; a host-pinned ID selects one.

Performance

Status

Current catalog availability. Your workspace’s access is checked separately before a request runs.

Getting Started

Use your workspace API key and the exact model identifier below. Set the API URL to the endpoint shown in your workspace and keep credentials on your server.

API
curl "$AUDIOLAB_API_URL/v1/chat/completions" \
  -H "Authorization: Bearer $AUDIOLAB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "z-ai/glm-5.3",
  "messages": [
    {
      "role": "user",
      "content": "Help me plan my next project."
    }
  ],
  "max_tokens": 256
}'
Read docs
Read the Endpoint Reference

Request Parameters

Available parameters depend on the provider and request format. The endpoint reference explains accepted values and required fields.

ParameterDetails
modelz-ai/glm-5.3 — Required model identifier.
max_tokensView Accepted Values
reasoningView Accepted Values
include_reasoningView Accepted Values

Input and Output Limits

Formats and limits AudioLab enforces on each request.

LimitValueEndpoint
Max input tokens1048576qwen/glm-5.3
Max output tokens131072qwen/glm-5.3
Max input tokens1048576mistral/zai-glm-5-3
Max output tokens128000mistral/zai-glm-5-3
Max input tokens1048575together/zai-org-glm-5.3
Max output tokens1048575together/zai-org-glm-5.3

Similar Models

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ModelContextInput PriceOutput Price
qwen3.8-max-0902Alibaba Cloud Model Studio1M tokens$1.70 / 1M tokens$5.10 / 1M tokens
qwen3.8-flashAlibaba Cloud Model Studio1M tokens$0.1275 / 1M tokens$0.3995 / 1M tokens
qwen3.8-27bAlibaba Cloud Model Studio991.8K tokens$0.425 / 1M tokens$2.55 / 1M tokens
qwen3.8-maxAlibaba Cloud Model Studio1M tokens$1.70 / 1M tokens$5.10 / 1M tokens
qwen3.7-flashAlibaba Cloud Model Studio991.8K tokens$0.0255 / 1M tokens$0.1105 / 1M tokens
qwen3.7-flash-2026-07-15Alibaba Cloud Model Studio991.8K tokens$0.0255 / 1M tokens$0.1105 / 1M tokens
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