RIVER Bench - Live-Perception: leaderboard

Metric: Multiple-choice accuracy (%) on RIVER Bench Live-Perception (about 0.4k questions on the current few seconds of the stream) questions, the option read from the response by regular expression (a Qwen2.5-72B judge when matching fails), each model at its recommended frame sampling (GPT-4o and Gemini 1.5 Pro 50 frames, the offline open models 16 frames, Flash-VStream its native streaming input), the question asked at its timestamp in the stream; higher is better. Source: arxiv.org. Saturation forecast: Around January 2027. 7 models tracked.

Top models

#ModelScoreOverall rank
1GPT-4o61.05#333
2Gemini 1.5 Pro52.19#442

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=river-bench-live-perception · How It Works · Data refreshed daily, snapshot 2026-10-11.