How to use from
SGLang
Install from pip and serve model
# Install SGLang from pip:
pip install sglang
# Start the SGLang server:
python3 -m sglang.launch_server \
    --model-path "RESMP-DEV/Qwen3-Next-80B-A3B-Instruct-NVFP4" \
    --host 0.0.0.0 \
    --port 30000
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:30000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "RESMP-DEV/Qwen3-Next-80B-A3B-Instruct-NVFP4",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'
Use Docker images
docker run --gpus all \
    --shm-size 32g \
    -p 30000:30000 \
    -v ~/.cache/huggingface:/root/.cache/huggingface \
    --env "HF_TOKEN=<secret>" \
    --ipc=host \
    lmsysorg/sglang:latest \
    python3 -m sglang.launch_server \
        --model-path "RESMP-DEV/Qwen3-Next-80B-A3B-Instruct-NVFP4" \
        --host 0.0.0.0 \
        --port 30000
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:30000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "RESMP-DEV/Qwen3-Next-80B-A3B-Instruct-NVFP4",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'
Quick Links

Qwen3-Next-80B-A3B-Instruct-NVFP4

Quantized version of Qwen/Qwen3-Next-80B-A3B-Instruct using LLM Compressor and the NVFP4 (E2M1 + E4M3) format.

This time it actually works! We think

This should be the start of a new series of hopefully optimal NVFP4 quantizations as capable cards continue to grow out in the wild.


Model Summary

Property Value
Base model Qwen/Qwen3-Next-80B-A3B-Instruct
Quantization NVFP4 (FP4 microscaling, block = 16, scale = E4M3)
Method Post-Training Quantization with LLM Compressor
Toolchain LLM Compressor
Hardware target NVIDIA Blackwell (Untested on RTX cards) / GB200 Tensor Cores
Precision Weights & activations = FP4 • Scales = FP8 (E4M3)
Maintainer RESMP.DEV

Description

This model is a drop-in replacement for Qwen/Qwen3-Next-80B-A3B-Instruct that runs in NVFP4 precision Accuracy remains within ≈ 1 % of the FP8 baseline on standard reasoning and coding benchmarks.

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