Skip to content
All models
Z.aiAvailable

GLM 5.3 Prime

GLM-5.3-Prime is the high-speed variant of Z.ai's GLM-5.3, inheriting its full capabilities while delivering 1.5–2× the output throughput through inference acceleration.

Try in ewpirez-ai/glm-5.3-prime

Opens in the ewpire workspace. Creating an account is free; runs are paid from your credits.

GLM 5.3 Prime in plain words

GLM 5.3 Prime is a text model from Z.ai. It takes text as input and returns text. Its context window is 1,000,000 tokens. It costs 3.475295 credits per 1M input tokens and 10.922353 credits per 1M output tokens.

It is good at reasoning through multi-step problems and calling tools. It does not read images. A context window of 1,000,000 tokens holds about 4,000,000 characters of English text, at 4 characters a token.

For example, a question of 2,000 tokens (about 8,000 characters) with an answer of 1,000 tokens (about 4,000 characters) costs 0.017873 credits. The exact charge follows the usage the model reports for your request.

Details

Made by
Z.ai
Good at
ReasoningTool use
Reads
Text
Produces
Text
Context window
1,000,000 tokens

Price

Input, per 1M tokens
3.475295 credits
Output, per 1M tokens
10.922353 credits

Charged per request from your credit balance. No subscription. See pricing

In the API – coming soon

API keys are not open yet. The docs show how to call this model with the OpenAI SDK or plain HTTP once they are. Read the docs

curl https://ewpire.com/api/v1/chat/completions \
  -H "Authorization: Bearer $EWPIRE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"z-ai/glm-5.3-prime","messages":[{"role":"user","content":"Hello!"}]}'

The docs show how to list the models the API serves, with their capabilities and prices, once API keys are open. Models in the docs

Similar models