Z.ai: GLM 5.3 Prime vs GLM 5V Turbo
z-ai/glm-5.3-prime · z-ai/glm-5v-turbo
As of November 5, 2026, Z.ai: GLM 5.3 Prime is the cheaper API on UberLLM: $0.0276 per million input tokens and $0.0867 per million output, versus $0.6816 / $2.27 for GLM 5V Turbo, about 96% less when output is 3 tokens for every input token. These are the best prices on the market right now. Both work with one OpenAI-compatible key and UberLLM adds no fee. Choose Z.ai: GLM 5.3 Prime to cut cost; choose GLM 5V Turbo when its capabilities fit your task better.
Z.ai: GLM 5.3 Prime vs GLM 5V Turbo, side by side
| Spec | Z.ai: GLM 5.3 Prime | GLM 5V Turbo |
|---|---|---|
| Price · input / 1M | $0.0276 | $0.6816 |
| Price · output / 1M | $0.0867 | $2.27 |
| Context length | 1,000,000 | 200,000 |
| Max output tokens | 131,072 | 32,768 |
| Input modalities | text | text, image |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | — | Yes |
| Reasoning | Yes | Yes |
| % off list | 99% off | 43.2% off |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 5, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
Z.ai: GLM 5.3 Prime vs GLM 5V Turbo — FAQ
Is Z.ai: GLM 5.3 Prime or GLM 5V Turbo cheaper?
Z.ai: GLM 5.3 Prime is cheaper on a blended token mix, by about 96%. A request costs what its provider charged, UberLLM adds no fee, and every request is listed with its cost in Activity.
What's the price difference between Z.ai: GLM 5.3 Prime and GLM 5V Turbo?
Z.ai: GLM 5.3 Prime: $0.0276 in / $0.0867 out per 1M tokens. GLM 5V Turbo: $0.6816 in / $2.27 out per 1M tokens. That's roughly a 96% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Z.ai: GLM 5.3 Prime and GLM 5V Turbo with one API?
Yes. Both are served through a single OpenAI-compatible endpoint — set the base URL to https://api.uberllm.dev/v1 and your UberLLM key, then switch between them by changing the model id. Anthropic SDKs work via https://api.uberllm.dev/v1/messages.