Z.ai: GLM 5.3 Prime
text->text
Z.ai: GLM 5.3 Prime is a general-purpose chat-tuned model. Available via z-ai. 1,000,000-token context. Mid-tier pricing.
Z.ai: GLM 5.3 Prime is a efficient AI model from z-ai. It costs $2.800 per million input tokens and $8.800 per million output tokens (blended $4.600/M), with a 1,000,000-token context window.
INPUT
$2.800/M
per million input tokens
OUTPUT
$8.800/M
per million output tokens
CONTEXT
1,000,000
tokens
What it is good at
- Solid general chat performance
- Reasonable instruction following
Typical use cases
- General chat
- Drafting and rewriting
- Personal productivity
Benchmarks
No published benchmark scores tracked for this model yet. Frontier and reasoning models from major providers have scores; smaller models and inference-host variants typically inherit the underlying open-weights score.
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Frequently asked questions
How much does Z.ai: GLM 5.3 Prime cost?
Z.ai: GLM 5.3 Prime costs $2.800 per million input tokens and $8.800 per million output tokens, for a blended reference rate of $4.600 per million tokens.
What is Z.ai: GLM 5.3 Prime's context window?
Z.ai: GLM 5.3 Prime supports up to 1,000,000 tokens of context in a single request.
What is Z.ai: GLM 5.3 Prime best for?
Z.ai: GLM 5.3 Prime is well suited to Solid general chat performance, Reasonable instruction following and General chat.
Who makes Z.ai: GLM 5.3 Prime?
Z.ai: GLM 5.3 Prime is developed and served by z-ai.