GLM 5.3 - Corvex Token Factory

GLM 5.3 is Z.AI’s open-weight model for text, code, reasoning, and tool use. Token Factory serves it with a 393,216-token context window. Model ID: zai-org/GLM-5.3

Specifications

Context window: 393,216 tokens (384K)
Maximum output: 393,216 tokens, subject to the remaining context space
Input: text
Output: text
Capabilities: chat, reasoning, coding, tool use, JSON mode, structured output
Sampling parameters: temperature, top_p, stop, max_tokens
License identifier: glm-5.3
Model repository: zai-org/GLM-5.3

Input and reserved output share the context window: input_tokens + max_tokens must fit within 393,216 tokens. Image input is not supported.

Pricing

Direction	Rate (USD)
Input	$1.40 / 1M tokens
Output	$4.40 / 1M tokens

Inference usage is deducted from your available credits at these rates. See Pricing.

Send a request

curl https://api.tokenfactory.corvex.cloud/v1/chat/completions \
  -H "Authorization: Bearer ${CORVEX_API_KEY}" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "zai-org/GLM-5.3",
    "messages": [
      {"role": "user", "content": "Refactor this Go function and explain each change."}
    ]
  }'

Set stream: true for streamed responses. See the API reference for request fields and the integration guides for SDKs and developer tools. Open GLM 5.3 in the Token Factory playground.

Last modified on October 6, 2026