4x DGX Spark ring running GLM-5.3 Flash NVFP4
| GPU(s) | 4x Nvidia GB10 (unified, DGX Spark) |
|---|---|
| VRAM / unified memory (GB) | 512 |
| CPU | Nvidia Grace 20-core (per node) Amazon · eBay (used) · Newegg |
| Motherboard | |
| RAM | 128 GB unified per node |
| PSU | |
| Other | Switchless ConnectX-7 ring; vLLM TP4 |
| Reported total cost | |
| Power |
Measured speed (generation tokens/sec)
📏 How measured: reported by the original source; RigBase re-checked the numbers at that source
| Model | Quant | Engine | tok/s | Details |
|---|---|---|---|---|
| GLM-5.3 Flash | NVFP4 | vLLM TP4 (RiNGSiDE), single-stream prose | 61.7 | 📏 Single-stream decode reported by the source |
| GLM-5.3 Flash | NVFP4 | vLLM TP4 (RiNGSiDE), single-stream code | 105.3 | 📏 Single-stream decode reported by the source |
RedHatAI checkpoint; structured output reaches 145.4 tok/s. vram_gb is aggregate unified memory. Found via localmaxxing (discovery only); numbers re-checked at the original source on 2026-10-24.
Source: https://github.com/othexmr/GLM-5.3-Flash-NVFP4-2x-4x-DGX-Sparks-RiNGSiDE
Blank fields = not stated in the source. We never estimate build data; GPU street prices above are separately sourced and dated.
Rent before you buy: try this model on a cloud GPU for a few dollars first: Runpod (referral link; sign up with Google to get the new-user bonus)
Quick answers: Can 4x DGX Spark (GB10) run GLM-5.3 Flash?