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3D Spatial Reasoning on 3DSRBench

95.7AccuracyHuman Estimate
17.90838.10458.378.496Apr 29, 2025Jul 3, 2025Sep 6, 2025Nov 10, 2025Jan 14, 2026Mar 20, 2026May 25, 2026

Evaluation results

MethodLinks
Human Estimate2025.0495.7
GPT-5-0807Model Type=Proprietary2025.1168.2
Emb. TextProtocol=CoT2026.0167
Rotation TokensProtocol=Direct2026.0167
Qwen3.5Parameters=35BA3B, Internal Reasoning (Think mode)=false2026.0566.6
3DThinker2025.1065.6
SenseNova-U1Parameters=8B, Internal Reasoning (Think mode)=true2026.0564.88
Emb. Tokens (ViTPose)Protocol=CoT2026.0164
Rotation TextProtocol=CoT2026.0164
SenseNova-U1Parameters=30BA3B, Internal Reasoning (Think mode)=true2026.0562.96
w/ Entropy-RegularizationEvaluation Protocol=RL Fine-tuning2026.0562.9
SpatialThinker-30B (Ours)Model Scale=30B, Training Dataset=STVQA-7K2025.1162.1
Claude-4-Sonnet-0514Model Type=Proprietary2025.1161.9
Qwen3-VL-30BModel Scale=30B, Model Type=Open-Source General2025.1160.4
SpatialReasoner2025.1060.3
SpatialReasonerType=Specialist Reference2026.0560.3
Rotation TextProtocol=Direct2026.0160
w/ Tool-Encourage RewardEvaluation Protocol=RL Fine-tuning2026.0559.9
vanilla RFT (Base)Evaluation Protocol=RL Fine-tuning2026.0559.2
Emb. TextProtocol=Direct2026.0158
Emb. Tokens (COCO)Protocol=CoT2026.0158
SpaRE-7BModel size=7B2025.0457.5
Qwen3.5Parameters=9B, Internal Reasoning (Think mode)=false2026.0556.77
SpatialThinker2025.1056.4
SpatialThinker-7B (Ours)Model Scale=7B, Training Dataset=STVQA-7K2025.1156.4
Rotation TokensProtocol=CoT2026.0156
SpatialReasoner-R12025.1055.7
Qwen3VLParameters=30BA3B, Internal Reasoning (Think mode)=true2026.0555.55
Qwen2.5-VL-7B + Vanilla GRPOModel Scale=7B, Training Protocol=Vanilla GRPO, Training Dataset=STVQA-7K2025.1154.7
Mini-o3Mode=Zero-shot, Type=Visual Agents2026.0554.5
Qwen3VLParameters=8B, Internal Reasoning (Think mode)=true2026.0554.48
SpaRE-2BModel size=2B2025.0454.4
Gemma4Parameters=26BA4B, Internal Reasoning (Think mode)=false2026.0553.61
Qwen2.5-VL-7B + SFTModel Scale=7B, Training Protocol=SFT, Training Dataset=STVQA-7K2025.1153.6
InternVL2-8BModel size=8B2025.0453.3
SpatialThinker-3B (Ours)Model Scale=3B, Training Dataset=STVQA-7K2025.1152.9
VLAA-Thinker-Qwen2.5-VL-7BBackbone=Qwen2.5-VL-7B, Model Type=Open-Source General2025.1152.2
SpaceOmModel Type=Open-Source Spatial2025.1152.2
DeepEyesMode=Zero-shot, Type=Visual Agents2026.0551.6
LLaVA-NeXT-8BModel size=8B2025.0451.1
SpaceThinkerModel Type=Open-Source Spatial2025.1151.1
Qwen2.5-VL-3B + SFTModel Scale=3B, Training Protocol=SFT, Training Dataset=STVQA-7K2025.1150.8
Qwen2.5-VL-3B + Vanilla GRPOModel Scale=3B, Training Protocol=Vanilla GRPO, Training Dataset=STVQA-7K2025.1150.1
Qwen2VL-7BModel size=7B2025.0449.2
Emb. Tokens (COCO)Protocol=Direct2026.0149
Emb. Tokens (ViTPose)Protocol=Direct2026.0149
Qwen2VL-2BModel size=2B2025.0448.8
Qwen2.5-VL 7BType=Generalist Baseline2026.0548.4
Qwen2.5-VL-7BModel Scale=7B, Model Type=Open-Source General2025.1148.4
LLaVA-NeXT-8BModel Scale=8B, Model Type=Open-Source General2025.1148.4
Spatial-RGPT-7B w/ depthModel Scale=7B, Model Type=Open-Source Spatial, Auxiliary Inputs=depth2025.1148.4
Claude-3.5-Sonnet-0620Model Type=Proprietary2025.1148.2
SATORI-R1Model Type=Open-Source Spatial2025.1148
SpaceLLaVa2025.0447.2
InternVL2-2BModel size=2B2025.0446.7
GPT-4o2025.0445.3
GPT-4o-0513Model Type=Proprietary2025.1144.3
Qwen2.5-VL-3BModel Scale=3B, Model Type=Open-Source General2025.1144
Cambrian-1-8BModel Scale=8B, Model Type=Open-Source General2025.1142.2
SpaceLLaVA-13BModel Scale=13B, Model Type=Open-Source Spatial2025.1142
SpatialBot-3BModel Scale=3B, Model Type=Open-Source Spatial2025.1141.1
LLaVAModel Scale=1.5-13B2026.0140
GPT-4o-mini2025.0439.1
Random2025.0420.9