sim2real.world · gap index · about · arXiv:2611.03937

FlowBench: Counterfactual Imagination Training for Spatial Intelligence

arXiv:2611.03937

task
Counterfactual spatial imagination for navigation and manipulation
hardware
not stated
simulator
AI2-THOR and ProcTHOR
transfer
fine-tuned
sim result
29.5 percentage points Accuracy improvement of Qwen3-VL-8B after fine-tuning on FlowBench-Sim-Train, evaluated in simulation
real result
16.9 on real images Accuracy improvement of Qwen3-VL-8B after fine-tuning on FlowBench-Sim-Train, evaluated on FlowBench-Real-Test

The paper does not report a comparable success rate on both sides, so the gap cannot be computed.

What the paper says

fine-tuning Qwen3-VL-8B on FlowBench-Sim-Train raises its accuracy by 29.5 percentage points in simulation and 16.9 on real images, a strong sim-to-real transfer.
fine-tuning Qwen3-VL-8B on FlowBench-Sim-Train raises its accuracy by 29.5 percentage points in simulation and 16.9 on real images, a strong sim-to-real transfer.

What it does not report

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