Models/z-ai

glm-5.3-flash· Released Aug 26, 2026

z-ai/glm-5.3-flash

GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while...

Input
From$0.083/M
Output
From$0.275/M
Context
Up to 1.3M
Max output
Up to 131K
Modalities
TextImageVideoText

Input and output show the lowest price across upstreams, for reference. Your actual prices are listed per upstream below.

Upstreams & pricing
UpstreamContextMax outputInput $/1MOutput $/1MCached input $/1M
NeuroSpark AIFrom price
1.3M131K
$0.083
$0.275
$0.017
Paratera (CN)
1.3M131K
$0.083325
$0.27775
$0.016665

Routed in real time — you pay the listed price of whichever upstream serves your call.

How to call
curlrequest.sh
curl https://api.tkex.ai/v1/chat/completions \
  -H "Authorization: Bearer $TX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "z-ai/glm-5.3-flash",
    "messages": [
      {"role": "user", "content": "Say hello in five words."}
    ]
  }'