DeepSeek V4.1 Flash 1017 vs Z.ai: GLM 5.3 Prime
deepseek/deepseek-v4.1-flash-1017 · z-ai/glm-5.3-prime
As of November 1, 2026, DeepSeek V4.1 Flash 1017 is the cheaper API on UberLLM: $0.0059 per million input tokens and $0.0236 per million output, versus $0.0338 / $0.1063 for Z.ai: GLM 5.3 Prime, about 78% 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 DeepSeek V4.1 Flash 1017 to cut cost; choose Z.ai: GLM 5.3 Prime when its capabilities fit your task better.
DeepSeek V4.1 Flash 1017 vs Z.ai: GLM 5.3 Prime, side by side
| Spec | DeepSeek V4.1 Flash 1017 | Z.ai: GLM 5.3 Prime |
|---|---|---|
| Price · input / 1M | $0.0059 | $0.0338 |
| Price · output / 1M | $0.0236 | $0.1063 |
| Context length | 1,048,576 | 1,000,000 |
| Max output tokens | 393,216 | 131,072 |
| Input modalities | text, image | text |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | Yes | — |
| Reasoning | Yes | Yes |
| % off list | 96.1% off | 98.8% off |
| First token, median (7 days) | 2.7 s (18,693 requests) | — |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 1, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
DeepSeek V4.1 Flash 1017 vs Z.ai: GLM 5.3 Prime — FAQ
Is DeepSeek V4.1 Flash 1017 or Z.ai: GLM 5.3 Prime cheaper?
DeepSeek V4.1 Flash 1017 is cheaper on a blended token mix, by about 78%. 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 DeepSeek V4.1 Flash 1017 and Z.ai: GLM 5.3 Prime?
DeepSeek V4.1 Flash 1017: $0.0059 in / $0.0236 out per 1M tokens. Z.ai: GLM 5.3 Prime: $0.0338 in / $0.1063 out per 1M tokens. That's roughly a 78% blended difference. Prices are live; UberLLM adds no fee.
Can I use both DeepSeek V4.1 Flash 1017 and Z.ai: GLM 5.3 Prime 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.