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Qwen3 8B

Qwen3 8B needs roughly 4.0GB VRAM at Q4 quantization (16.0GB at FP16). 60 GPUs we track can run it fully in VRAM at 8k context.

Alibaba8B params128k contextApache 2.0Commercial use ok

VRAM at each quantization

Assumes 8k context. KV cache grows linearly with context length.

QuantWeightsKV cacheTotal
FP1616.0 GB1.21 GB19.3 GB
Q88.0 GB1.21 GB10.3 GB
Q6_K6.0 GB1.21 GB8.1 GB
Q5_K_M5.0 GB1.21 GB7.0 GB
Q4_K_M4.0 GB1.21 GB5.8 GB
Q3_K_M3.2 GB1.21 GB4.9 GB
Q2_K2.4 GB1.21 GB4.0 GB

Benchmarks

GPUs that run Qwen3 8B natively (60)

Plus 1 GPUs that run it with CPU offload (slower)

Notes

Supports thinking and non-thinking modes.

Hugging Face ↗Ollama ↗Released 2025-04-29