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Z.ai: GLM 5.3 Prime API pricing
Last updated
- Input / 1M tokens
- $2.80
- Output / 1M tokens
- $8.80
- Blended / 1M
- $4.30
- 3:1 input:output
- Context window
- 1M
- tokens
- Arena Elo
- 1200
Context window
How much text fits in a single request.
1,000,000 tokens, roughly 750K words or 1,500 pages of English text.
Estimate assumes ~0.75 words per token and 500 words per page. Input and output share this limit.
Price history
USD per 1M tokens at each recorded price change.
| Date | Input / 1M | Output / 1M | Blended / 1M | Change |
|---|---|---|---|---|
| $2.80 | $8.80 | $4.30 | Launch |
Changelog
Notable updates to Z.ai: GLM 5.3 Prime.
Z.ai: GLM 5.3 Prime is now tracked, priced at 2.8 USD per 1M input tokens and 8.8 USD per 1M output tokens, with a 1,000,000-token context window and a 1200 Elo score.
Summaries are AI-generated from tracked data changes.