GLM 5.3 Flash
Z.ai
GLM-5.3-Flash is Z.ai’s native multimodal coding model, featuring 320B total parameters, 18B activated parameters, and a 1M-token context window. Its efficient hybrid attention architecture supports visual coding, tool use, and end-to-end professional workflows across code, browsers, documents, and graphical interfaces.
- Language
- Reasoning
- Tool use
- Implicit caching
- Vision
- Structured output
- open weights
- Context
- 1M
- Max output
- 131K
- Input / 1M
- $0.150
- Output / 1M
- $0.500
Quickstart
Point any OpenAI-compatible client at Maxynetic Systems and pass zai/glm-5.3-flash as the model.
curl https://api.maxynetic.com/v1/chat/completions \
-H "Authorization: Bearer $MAXYNETIC_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "zai/glm-5.3-flash",
"messages": [{ "role": "user", "content": "Explain routing in one line." }]
}'Pricing
Billed per token with no markup on the underlying provider rate.
Input
Per 1M prompt tokens
$0.150
Output
Per 1M completion tokens
$0.500
Cache read
Per 1M cached prompt tokens
$0.030
A 1M-token prompt with 250K tokens of output costs about $0.275.
Rates for this model vary by upstream provider; Maxynetic Systems routes to the cheapest healthy one by default.