Qwen3.8 Flash Next Uncensored — Hardware Requirements & GPU Compatibility
VisionFunctionsReasoning
Qwen3.8 Flash Next Uncensored is a 180.0B-parameter open language model from orcarouter in the Qwen 3.8 family. At Q4_K_M it needs about 118.80 GB of VRAM — see which GPUs and Macs can run it below.
1.0K downloads
34 likesSpecifications
- Publisher
- orcarouter
- Family
- Qwen 3.8
- Parameters
- 180.0B
- Release Date
- 2026-08-26
- License
- Apache 2.0
Get Started
HuggingFace
How Much VRAM Does Qwen3.8 Flash Next Uncensored Need?
Select a quantization to see compatible GPUs below.
| Quantization | Bits | VRAM | + Context | File Size | Quality |
|---|---|---|---|---|---|
| Q2_Kest. | 3.40 | 84.2 GB | — | 76.50 GB | 2-bit quantization with K-quant improvements |
| Q3_K_Mest. | 3.90 | 96.5 GB | — | 87.75 GB | 3-bit medium quantization |
| Q4_K_Mest. | 4.80 | 118.8 GB | — | 108.00 GB | 4-bit medium quantization — most popular sweet spot |
| Q5_K_Mest. | 5.70 | 141.1 GB | — | 128.25 GB | 5-bit medium quantization — good quality/size tradeoff |
| Q6_Kest. | 6.60 | 163.3 GB | — | 148.50 GB | 6-bit quantization, very good quality |
| Q8_0est. | 8.00 | 198 GB | — | 180.00 GB | 8-bit quantization, near-lossless |
| BF16est. | 16.00 | 396 GB | — | 360.00 GB | Brain floating point 16 — preferred for training |
est.= calculated VRAM estimate; no published GGUF file found for that quantization yet. Other rows are verified against real community uploads.
Which GPUs Can Run Qwen3.8 Flash Next Uncensored?
Q4_K_M · 118.8 GBQwen3.8 Flash Next Uncensored (Q4_K_M) requires 118.8 GB of VRAM to load the model weights. For comfortable inference with headroom for KV cache and system overhead, 155+ GB is recommended. No single GPU has enough memory — multi-GPU or cluster setups are needed.
Which Devices Can Run Qwen3.8 Flash Next Uncensored?
Q4_K_M · 118.8 GB10 devices with unified memory can run Qwen3.8 Flash Next Uncensored, including NVIDIA DGX H100, NVIDIA DGX A100 640GB, MacBook Pro 16" M5 Max (128 GB).
Runs great
— Plenty of headroom
Decent
— Enough memory, may be tightRelated Models
Frequently Asked Questions
- How much VRAM does Qwen3.8 Flash Next Uncensored need?
Qwen3.8 Flash Next Uncensored requires 118.8 GB of VRAM at Q4_K_M, or 396 GB at BF16.
VRAM = Weights + KV Cache + Overhead
Weights = 180.0B × 4.8 bits ÷ 8 = 108 GB
KV Cache + Overhead ≈ 10.8 GB (at 2K context + ~0.3 GB framework)
VRAM usage by quantization
Q4_K_M118.8 GB- Can NVIDIA GeForce RTX 5090 run Qwen3.8 Flash Next Uncensored?
No — Qwen3.8 Flash Next Uncensored requires at least 84.2 GB at Q2_K, which exceeds the NVIDIA GeForce RTX 5090's 32 GB of VRAM.
- What's the best quantization for Qwen3.8 Flash Next Uncensored?
For Qwen3.8 Flash Next Uncensored, Q4_K_M (118.8 GB) offers the best balance of quality and VRAM usage. Q5_K_M (141.1 GB) provides better quality if you have the VRAM. The smallest option is Q2_K at 84.2 GB.
VRAM requirement by quantization
Q2_K84.2 GBQ4_K_M ★118.8 GBQ5_K_M141.1 GBQ6_K163.3 GBQ8_0198.0 GBBF16396.0 GB★ Recommended — best balance of quality and VRAM usage.
- Can I run Qwen3.8 Flash Next Uncensored on a Mac?
Qwen3.8 Flash Next Uncensored requires at least 84.2 GB at Q2_K, which exceeds the unified memory of most consumer Macs. You would need a Mac Studio or Mac Pro with a high-memory configuration.
- Can I run Qwen3.8 Flash Next Uncensored locally?
Yes — Qwen3.8 Flash Next Uncensored can run locally on consumer hardware. At Q4_K_M quantization it needs 118.8 GB of VRAM. Popular tools include Ollama, LM Studio, and llama.cpp.
- How fast is Qwen3.8 Flash Next Uncensored?
At Q4_K_M, Qwen3.8 Flash Next Uncensored can reach ~40 tok/s on AMD Instinct MI350X. Speed depends mainly on GPU memory bandwidth. Real-world results typically within ±20%.
tok/s = (bandwidth GB/s ÷ model GB) × efficiency
Example: NVIDIA B200 → 8000 ÷ 118.8 × 0.65 = ~44 tok/s
Estimated speed at Q4_K_M (118.8 GB)
~44 tok/s~44 tok/s~40 tok/sReal-world results typically within ±20%. Speed depends on batch size, quantization kernel, and software stack.
- What's the download size of Qwen3.8 Flash Next Uncensored?
At Q4_K_M, the download is about 108.00 GB. The full-precision BF16 version is 360.00 GB. The smallest option (Q2_K) is 76.50 GB.
- Which GPUs can run Qwen3.8 Flash Next Uncensored?
No single consumer GPU has enough VRAM to run Qwen3.8 Flash Next Uncensored at Q4_K_M (118.8 GB). Multi-GPU or professional hardware is required.
- Which devices can run Qwen3.8 Flash Next Uncensored?
18 devices with unified memory can run Qwen3.8 Flash Next Uncensored at Q4_K_M (118.8 GB), including ASUS Ascent GX10, Asus ROG Flow Z13 (2025, Ryzen AI Max+ 395, 128 GB), Beelink GTR9 Pro (Ryzen AI Max+ 395, 128 GB), Framework Desktop (Ryzen AI Max+ 395, 128 GB). Apple Silicon Macs use unified memory shared between CPU and GPU, making them well-suited for local LLM inference.