DeepSeek-V4.1-Flash (UD-Q4_K_XL) on 4x 3090 + EPYC: 12 → 25 tok/s prose, 39 tok/s code.
Hi all, just wanted to share some benchmarks. I got Unsloth's UD-Q4_K_XL quant of DeepSeek-V4.1-Flash-1017 running and spent some time tuning it. Some of what I found isn't in the guide, so here are my notes. Hardware EPYC 9575F (64 cores / 128 threads) 768 GB DDR5 4x RTX 3090 (96 GB VRAM total) So…
Read the full story at r/LocalLLaMA ↗
Timeline · 9 reports
- 2026-10-22 20:58 · r/LocalLLM
GitHub - vincalkr/DS41Engine: DeepSeek-V4.1-Flash 1017 on 1x-2x RX 7900 XTX (gfx1100, ROCm/HIP): max optimizations - 2026-10-22 13:30 · r/huggingface
Full DeepSeek-V4.1-Flash-1017 (510 GB) on an RTX 3060 12 GB + 64 GB DDR4 + NVMe: 5.8 tok/s cold, 7.4 warm, >97% exact quality. - 2026-10-22 13:29 · r/LocalLLM
Full DeepSeek-V4.1-Flash-1017 (510 GB) on an RTX 3060 12 GB + 64 GB DDR4 + NVMe: 5.8 tok/s cold, 7.4 warm, >97% exact quality. - 2026-10-22 08:25 · r/huggingface
DeepSeek V4 Flash API prices compared across providers (Oct 2026) - 2026-10-21 18:11 · r/LocalLLaMA
Tried running 748B DeepSeek-V4.1-Flash on a €2k PC - 2026-10-21 15:38 · r/LocalLLaMA
Ran DeepSeek V4.1 Flash 1017 on a single RTX 5090 - 2026-10-21 04:18 · r/LocalLLM
(oMLX) Full-Precision DeepSeek V4.1 Flash @ 20-25 tok/s TG, 500 tok/s on 256GB Base M5U! - 2026-10-20 17:04 · Interconnects (Nathan Lambert)
Latest open artifacts (#25): DeepSeek V4.1 Flash 1017, American-made models, and new regulatory controls in the US & China - 2026-10-20 13:32 · r/LocalLLaMA
DeepSeek-V4.1-Flash (UD-Q4_K_XL) on 4x 3090 + EPYC: 12 → 25 tok/s prose, 39 tok/s code.