Z.ai: GLM 5.3 Flash

z-ai/glm-5.3-flash — available through the Autonomous Relay Agents API, served by Z.ai.

Z.ai: GLM 5.3 Flash has a 1,310,720-token context window and costs $0.075 per million input tokens and $0.25 per million output tokens, at the provider's list price on your own key.

Context length
1,310,720 tokens
Input
$0.075 per M
Output
$0.25 per M
Served by
zai
Input modalities
text, image, video

Variants

The same model under another model id, priced or limited differently. Call it by its id; prices are per million tokens.

VariantModel idContextInputOutput
Z.ai: GLM 5.3 Flash (batch)z-ai/glm-5.3-flash:batch1,048,575$0.15 per M$0.50 per M

This is a BYOK-only model: requests use your own provider key. Prices shown are the provider's list prices.

Call it

Any OpenAI-compatible client works: change the base URL and send this model id.

curl https://autonomousrelay.com/v1/chat/completions \
  -H "Authorization: Bearer $AUTONOMOUS_RELAY_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "z-ai/glm-5.3-flash", "messages": [{"role": "user", "content": "Hello"}]}'

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