ResearchResearch paperImage, Video & 3D Generation · Evaluation & Benchmarks · Multimodal Models2 sources · Oct 20, 2026

StreamEval: Evaluating Interactive Streaming Video Generation Models

We introduce StreamEval, a unified benchmark for interactive streaming video generation spanning five tasks: avatar dialogue, avatar performance, world generation, instruction editing, and reference editing.

Key points

  • As streaming video generation advances, enabling real-time interaction with generated video is becoming increasingly important.
  • StreamEval comprises 300 scripted test cases lasting 15-300s, each specifying initial assets, incrementally arriving multimodal requests, and explicit requirements for state changes and content preservation.
  • Evaluating 37 distinct models across 300 test cases, we find that high visual quality and identity retention do not necessarily coincide with reliable request execution or sustained state consistency.
  • These findings identify reliable request execution under timing and preservation constraints as a central challenge for advancing omni-modal real-time interactive systems.

Sources (2)

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