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

API

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.

Providers

UpstreamInput / 1MOutput / 1M
z-ai$0.075$0.25

Requests are routed automatically across healthy upstream providers for this slug. Per-provider breakdown goes live with the console.