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 "TVRBench/tvr-qwen3.5-9b-va-sft" \
    --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": "TVRBench/tvr-qwen3.5-9b-va-sft",
		"messages": [
			{
				"role": "user",
				"content": [
					{
						"type": "text",
						"text": "Describe this image in one sentence."
					},
					{
						"type": "image_url",
						"image_url": {
							"url": "https://cdn.britannica.com/61/93061-050-99147DCE/Statue-of-Liberty-Island-New-York-Bay.jpg"
						}
					}
				]
			}
		]
	}'
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 "TVRBench/tvr-qwen3.5-9b-va-sft" \
        --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": "TVRBench/tvr-qwen3.5-9b-va-sft",
		"messages": [
			{
				"role": "user",
				"content": [
					{
						"type": "text",
						"text": "Describe this image in one sentence."
					},
					{
						"type": "image_url",
						"image_url": {
							"url": "https://cdn.britannica.com/61/93061-050-99147DCE/Statue-of-Liberty-Island-New-York-Bay.jpg"
						}
					}
				]
			}
		]
	}'
Quick Links

TVRBench Qwen3.5-9B VA-SFT

This is the intermediate Visual-Action SFT checkpoint used in Where to Look: Can Foundation Models Reach a Target Viewpoint Through Active Exploration? It is provided to reproduce the rebuttal ablation that initializes offline Single-turn GRPO from the same SFT policy as Multi-turn GRPO.

  • Backbone: Qwen3.5-9B
  • Training: full-parameter Visual-Action SFT, epoch 5 / step 250
  • TVRBench canonical evaluation: 254/500 successful episodes (50.8%)
  • Output format: Action: <action name>
  • Thinking mode: disabled
  • Visual memory: concatenated multi-turn current/target image pairs with action responses

The benchmark code and final VA-SFT + Multi-turn GRPO model are available under the TVRBench organization.

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