Episode
CollabVR: Collaborative Video Reasoning with Vision-Language and Video Generation Models
- Podcast
- Daily Paper Cast
- Published
- May 13, 2026
- Duration seconds
- 1526
- Processing state
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- https://share.transistor.fm/s/855e569e
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Summary
🤗 Upvotes: 54 | cs.CV Authors: Joowon Kim, Seungho Shin, Joonhyung Park, Eunho Yang Title: CollabVR: Collaborative Video Reasoning with Vision-Language and Video Generation Models Arxiv: http://arxiv.org/abs/2605.08735v1 Abstract: Recent "Thinking with Video" approaches use Video Generation Models (VGMs) for visual reasoning by producing temporally coherent Chain-of-Frames as reasoning artifacts. Even strong VGMs, however, exhibit two recurring failure modes on goal-directed tasks: long-horizon drift on multi-step tasks and mid-clip simulation errors that compound. Both stem from the absence of explicit reasoning built upon the VGM's short-horizon visual prior, a role naturally filled by Vision-Language Models (VLMs), but where to place the VLM is non-trivial: upfront plans commit before any frame is generated and post-hoc critiques over whole videos intervene too late. We propose VLM-VGM Collaborative Video Reasoning (CollabVR), a closed-loop framework that couples the VLM with the VGM at step-level granularity: the VLM plans the immediate next action, inspects the clip the VGM generates, and folds the verifier's diagnosis directly into the next action prompt to repair detected failures. On Gen-ViRe and VBVR-Bench, CollabVR improves both open-source and closed-source VGMs over single-inference, Pass@$k$, and prior test-time scaling baselines at matched compute, with the largest gains on the hardest tasks. It also yields further improvements on top of a reasoning-fine-tuned VGM, indicating that step-level VLM supervision is orthogonal to and stackable with reasoning-oriented fine-tuning. We provide video samples and additional qualitative results at our project page: https://joow0n-kim.github.io/collabvr-project-page.