All modelsCalculate what your real prompts cost on GLM 5.3 Prime
GLM 5.3 Prime
open sourceZ.ai model, released 23 Sept 2026.
$2.80
per 1M input tokens
$8.80
per 1M output tokens
$0.56
per 1M cached-read tokens
Price history
Price stable since we started tracking (24 Sept 2026). History will chart here as soon as it moves.
Specifications
- Lab
- Z.ai
- Released
- 23 Sept 2026
- Context window
- 1M tokens
- Max output
- 131k tokens
- Input modalities
- text
- Output modalities
- text
- Knowledge cutoff
- —
- Open source
- Yes
Frequently asked questions
How much does GLM 5.3 Prime cost?
GLM 5.3 Prime costs $2.80 per 1M input tokens and $8.80 per 1M output tokens (list price, updated every 6 hours).
What is GLM 5.3 Prime's context window?
GLM 5.3 Prime supports a 1M-token context window with up to 131k output tokens.