BVB benchmark tests agentic video understanding by rebuilding real videos in Blender

RexDouglass · x · 2026-10-07

BVB (Blender-VideoBench) is a new open-source benchmark built on a simple premise: an agent that truly understands a video should be able to reconstruct it programmatically. Models must rebuild real-world videos as animated Blender scenes through the same lightweight harness (Mini-BVB), in an identical sandbox under the same cost limit, with no external asset libraries allowed. The leaderboard already compares GPT-6 variants and Claude Sonnet 5.5 / Opus 5.5, and the repo is MIT licensed.

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