Zhipu AI
GLM 5.3 API
A flagship workhorse for complex software engineering and long-horizon agent tasks. It uses the same base model as GLM-5.2, with improvements driven by post-training, delivering a 50% gain on Z.ai Code Bench alongside stronger terminal-operation and vulnerability-discovery capabilities. It offers a 1M-token context window, up to 128K output, always-on reasoning with low, high, and max effort levels, function calling, and structured outputs. It currently accepts text only and is not intended for tasks requiring visual understanding.
- Reasoning
- Tool use
- Function calling
- Structured output
- Long context
glm-5.3USD
Pricing
Public list prices are shown in USD. Final charges may vary by account group and usage tier.
API
Code examples
curl --location --request POST 'https://api.tokenhot.ai/v1/chat/completions' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
"model": "glm-5.3",
"messages": [
{
"role": "user",
"content": "What model are you"
}
]
}'Zhipu AI
Related models
FAQ
Frequently asked questions
What is GLM 5.3 best suited for?
GLM 5.3 is suited to the input, output, and capability types listed on this page. Test production workloads before choosing it for a critical system.
How is GLM 5.3 priced?
Pricing is shown in the pricing section above. Actual cost depends on usage volume, account group, and the request payload.
How can I call GLM 5.3?
Use the model ID shown above with one of the supported API protocols. Code examples are provided when usage data is available.
Get started