Models / z-ai
GLM 5.3 Flash
z-ai/glm-5.3-flash
GLM 5.3 Flash is a z-ai model available through the JACKZ.AI unified API. It accepts text, image, video input and returns text, with a 1.3M tokens context window. Billing is per token at the list prices below, aligned with OpenRouter public pricing.
Context window
1.3M tokens
Input price
$0.075 / 1M tokens
Output price
$0.25 / 1M tokens
Provider
z-ai
Call it now
cURL
curl https://api.jackz.ai/v1/chat/completions \
-H "Authorization: Bearer $JACKZ_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "z-ai/glm-5.3-flash",
"messages": [{"role": "user", "content": "Hello"}]
}'One key works for every model in the catalog — see the quickstart.