Ishant06·Qwen 3.5·Qwen3_5ForCausalLM

Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled — Hardware Requirements & GPU Compatibility

ChatReasoning

Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled is a 752M-parameter open language model from Ishant06 in the Qwen 3.5 family. It supports a context window of up to 262,144 tokens. At Q4_K_M it needs about 0.80 GB of VRAM — see which GPUs and Macs can run it below.

0 2 likes262K context
Based on Qwen3.5 0.8B

Specifications

Publisher
Ishant06
Family
Qwen 3.5
Parameters
752M
Architecture
Qwen3_5ForCausalLM
Context Length
262,144 tokens
Vocabulary Size
248,320
Release Date
2026-03-15
License
Apache 2.0

Get Started

How Much VRAM Does Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled Need?

Select a quantization to see compatible GPUs below.

QuantizationBitsVRAM
Q2_Kest.3.400.7 GB
Q3_K_Mest.3.900.7 GB
Q4_K_Mest.4.800.8 GB
Q5_K_Mest.5.700.9 GB
Q6_Kest.6.601.0 GB
Q8_0est.8.001.1 GB
BF16est.16.001.9 GB

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 Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled?

Q4_K_M · 0.8 GB

Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled (Q4_K_M) requires 0.8 GB of VRAM to load the model weights. For comfortable inference with headroom for KV cache and system overhead, 2+ GB is recommended. Using the full 262K context window can add up to 6.4 GB, bringing total usage to 7.2 GB. 35 GPUs can run it, including NVIDIA GeForce RTX 5090, NVIDIA GeForce RTX 3090 Ti.

Which Devices Can Run Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled?

Q4_K_M · 0.8 GB

33 devices with unified memory can run Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled, including NVIDIA DGX H100, NVIDIA DGX A100 640GB.

Related Models

Frequently Asked Questions

How much VRAM does Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled need?

Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled requires 0.8 GB of VRAM at Q4_K_M, or 1.9 GB at BF16. Full 262K context adds up to 6.4 GB (7.2 GB total).

VRAM = Weights + KV Cache + Overhead

Weights = 752M × 4.8 bits ÷ 8 = 0.5 GB

KV Cache + Overhead 0.3 GB (at 2K context + ~0.3 GB framework)

KV Cache + Overhead 6.7 GB (at full 262K context)

VRAM usage by quantization

0.8 GB
7.2 GB

Learn more about VRAM estimation →

What's the best quantization for Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled?

For Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled, Q4_K_M (0.8 GB) offers the best balance of quality and VRAM usage. Q5_K_M (0.9 GB) provides better quality if you have the VRAM. The smallest option is Q2_K at 0.7 GB.

VRAM requirement by quantization

Q2_K
0.7 GB
Q4_K_M
0.8 GB
Q5_K_M
0.9 GB
Q6_K
1.0 GB
Q8_0
1.1 GB
BF16
1.9 GB

★ Recommended — best balance of quality and VRAM usage.

Learn more about quantization →

Can I run Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled on a Mac?

Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled requires at least 0.7 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 Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled locally?

Yes — Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled can run locally on consumer hardware. At Q4_K_M quantization it needs 0.8 GB of VRAM. Popular tools include Ollama, LM Studio, and llama.cpp.

How fast is Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled?

At Q4_K_M, Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled can reach ~3644 tok/s on AMD Instinct MI300X. On NVIDIA GeForce RTX 4090: ~819 tok/s. Speed depends mainly on GPU memory bandwidth. Real-world results typically within ±20%.

tok/s = (bandwidth GB/s ÷ model GB) × efficiency

Example: AMD Instinct MI300X5300 ÷ 0.8 × 0.55 = ~3644 tok/s

Estimated speed at Q4_K_M (0.8 GB)

~3644 tok/s
~819 tok/s
~2724 tok/s
~2253 tok/s

Real-world results typically within ±20%. Speed depends on batch size, quantization kernel, and software stack.

Learn more about tok/s estimation →

What's the download size of Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled?

At Q4_K_M, the download is about 0.45 GB. The full-precision BF16 version is 1.50 GB. The smallest option (Q2_K) is 0.32 GB.

Which GPUs can run Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled?

35 consumer GPUs can run Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled at Q4_K_M (0.8 GB). Top options include AMD Radeon RX 6700 XT, AMD Radeon RX 6800, AMD Radeon RX 6800 XT. 35 GPUs have plenty of headroom for comfortable inference.

Which devices can run Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled?

33 devices with unified memory can run Qwen3.5 0.8B Claude 4.6 Opus Reasoning Distilled at Q4_K_M (0.8 GB), including Mac Mini M4 (16 GB), Mac Mini M4 (32 GB), Mac Mini M4 Pro (24 GB), Mac Mini M4 Pro (48 GB). Apple Silicon Macs use unified memory shared between CPU and GPU, making them well-suited for local LLM inference.