Written by Jakub Rusinowski · Last updated September 11, 2026
Yes, comfortably — you'll have ~19.3 GB of headroom running Qwen3.8-Flash-Next at Q4_K_M (108.675 GB, ~40 tok/s (est.)) with room for up to 32K context.
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| VRAM | 128 GB |
| Memory Bandwidth | 273 GB/s |
| Quant | VRAM needed | Fits 128 GB? | Max context |
|---|---|---|---|
| F16 | 362.4 GB | ✗ No | — |
| Q8_0 | 193.7 GB | ✗ No | — |
| Q6_K | 150 GB | ✗ No | — |
| Q5_K_M | 130 GB | ✗ No | — |
| Q4_K_M | 111.1 GB | ✓ Yes | 32K |
| Q3_K_M | 79.2 GB | ✓ Yes | 64K |
| Q2_K | 61.6 GB | ✓ Yes | 128K |
VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 128 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
| Qwen3.8-Flash-Next | Q4_K_M · 108.675 GB · ~40 tok/s (est.) |
| Qwen3.8 27B | Q4_K_M · 16.772175 GB · ~13 tok/s (est.) |
At 2 hrs/day, buying (~$4,699) beats renting at $1.54/hr after about 4.2 years.
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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
Yes, comfortably — you'll have ~19.3 GB of headroom running Qwen3.8-Flash-Next at Q4_K_M (108.675 GB, ~40 tok/s (est.)) with room for up to 32K context.
Qwen3.8-Flash-Next at Q4_K_M quantization (108.675 GB), estimated ~40 tokens/sec, up to 32K context.
| Size | VRAM | Verdict | Speed |
|---|---|---|---|
| Qwen3.8-Max | 1449.0 GB | Does not fit | — |
| Qwen3.8-Flash-Next | 108.7 GB | Runs | ~40 tok/s |
| Qwen3.8 27B | 16.8 GB | Runs | ~13 tok/s |
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