GLM 5.3 Prime
language modelZ.ai
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. It supports text input and output with a 1M-token...
Key facts
| Made by | Z.ai |
|---|---|
| Type | language model |
| Released | September 23, 2026 |
| Reads at once | 1,000,000 tokens |
| Price (API, per million tokens) | $2.8 in · $8.8 out |
| Input → output | text → text |
Questions about GLM 5.3 Prime
Who makes GLM 5.3 Prime?
GLM 5.3 Prime is made by Z.ai.
When was GLM 5.3 Prime released?
We first saw GLM 5.3 Prime listed on September 23, 2026.
How much does GLM 5.3 Prime cost?
Through OpenRouter it costs $2.8 per million input tokens and $8.8 per million output tokens. Prices change, so check the provider before you build on it.
How much text can GLM 5.3 Prime read at once?
Up to 1,000,000 tokens, roughly 750K words.
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