Z.ai: GLM 5.3 Primez-ai
Bottom Line
Z.ai: GLM 5.3 Prime: $2.80/1M input, $8.80/1M output, 1.0M context. 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...
API Pricing (per 1M tokens)
| Input | $2.80 |
| Output | $8.80 |
| Cache Read | — |
| Cache Write | — |
| Blended (3:1) | $4.30 |
Specs & Performance
| Context Length | 1.0M |
| Max Output | 131K |
| Intelligence | — |
| Coding | — |
| Math | — |
| Speed | — |
| TTFT | — |
| CPS Grade | — |
| Input / Output Modalities | text → text |
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FAQ
How much does the Z.ai: GLM 5.3 Prime API cost?
Z.ai: GLM 5.3 Prime costs $2.80/1M input tokens and $8.80/1M output tokens. Blended cost at a 3:1 ratio is about $4.30/1M tokens.
What is the context window of Z.ai: GLM 5.3 Prime?
Z.ai: GLM 5.3 Prime supports a 1.0M token context window with up to 131K output tokens.
Is Z.ai: GLM 5.3 Prime worth it?
Z.ai: GLM 5.3 Prime has a CPS grade of — (score —), intelligence index —, coding index —. Use the compare page to benchmark against rivals.