Alibaba

Qwen3.8 Flash Next

Alibaba model discovered on huggingface

Model Summary

Family

Qwen3.8

Version

3.8

Parameters

180B (est.)

Parameter counts for closed models are estimates; vendors rarely publish exact sizes.

VRAM Requirements by Quantization

Memory needed to serve Qwen3.8 Flash Next for inference, including a 20% overhead for activations and KV cache.

PrecisionVRAM neededSmallest single GPU that fits
INT4 (4-bit)100.58 GBAMD Instinct MI250X (128 GB)
INT8 (8-bit)201.17 GBAMD Instinct MI325X (256 GB)
FP16 (16-bit)402.33 GBMulti-GPU required
FP32 (32-bit)804.66 GBMulti-GPU required

Recommended GPU Configurations

Cheapest on-demand configurations to serve Qwen3.8 Flash Next at 8-bit (201 GB VRAM).

2x AMD Instinct MI250X

256 GB total VRAM · CDNA 2

~$5.00/h

13x NVIDIA T4

208 GB total VRAM · Turing · multi-node

~$6.50/h

13x NVIDIA P100 SXM2

208 GB total VRAM · Pascal · multi-node

~$7.80/h

Quick GPU Planning

Use the calculator pre-filled with this exact version to estimate memory, speed, and compute requirements in a few clicks.

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Frequently Asked Questions

How much VRAM do you need to run Qwen3.8 Flash Next?

With an estimated 180B parameters, Qwen3.8 Flash Next needs roughly 201 GB of VRAM in 8-bit (INT8), 101 GB in 4-bit, and 402 GB in FP16, including a 20% overhead for activations and KV cache.

Which GPUs can run Qwen3.8 Flash Next?

At 8-bit quantization, the most cost-effective option is 2x AMD Instinct MI250X (256 GB combined VRAM, around $5.00/hour on-demand). Higher-end cards like the NVIDIA B200 or AMD MI355X reduce the GPU count needed.

Can Qwen3.8 Flash Next run on a single GPU?

Yes. In 8-bit, a single AMD Instinct MI325X (256 GB) fits the model.

How much does it cost to serve Qwen3.8 Flash Next in the cloud?

Renting 2x Instinct MI250X costs on the order of $5.00/hour, i.e. about $3,650/month running 24/7. Actual prices vary by provider and commitment; spot and reserved capacity can be significantly cheaper.