GLM 5.3 Flash Apex API

Zhipu's GLM 5.3 Flash Apex, through an OpenAI-compatible API. Providers quote it on an open exchange, and each request goes to the offer with the lowest estimated charge that meets your rules.

Facts

Model name
glm-5.3-flash-apex
Maker
Zhipu
Context window
1M tokens
Input price
$0.150 per million tokens
Output price
$0.501 per million tokens
Providers
1 independent provider
Regions
us

Providers

Request

curl https://router.inference.ai.exchange/v1/chat/completions \
  -H "Authorization: Bearer $LIQUID_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "glm-5.3-flash-apex",
    "messages": [{"role":"user","content":"Say hello."}]
  }'

Questions

What is GLM 5.3 Flash Apex?
GLM 5.3 Flash Apex is a model from Zhipu.
How much does GLM 5.3 Flash Apex cost?
Offers now ask $0.150 per million input tokens and $0.501 per million output tokens. A job pays for the tokens it uses. The exchange picks the cheapest eligible offer.
What is the context length of GLM 5.3 Flash Apex?
The largest offer takes 1,048,576 input tokens. A smaller offer can take less. The exchange skips an offer that cannot take your message.
What can GLM 5.3 Flash Apex do?
Its providers list Vision, Reasoning effort, JSON object, JSON schema, Frequency penalty, Logit bias, Log probabilities, Min-p sampling, Presence penalty, Repetition penalty, Seed, Stop sequences, Top-k sampling, Top-p sampling, Text, Tools.
What inputs and outputs does GLM 5.3 Flash Apex support?
Text · Images → Text.
Which providers serve GLM 5.3 Flash Apex?
1 independent provider quote it now, with 1 offer. The table above ranks them by the cost of a typical job.
How do I call GLM 5.3 Flash Apex?
Send "glm-5.3-flash-apex" as the model in an OpenAI or Anthropic request. The API section links to setup steps for each client.
When was GLM 5.3 Flash Apex listed?
The exchange first listed it on 10/10/2026. This is not its release date.

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