tau-Voice (Realistic) - Retail: leaderboard

Metric: pass@1 (%): share of tasks whose final database state matches the goal (agent communications checked by an LLM evaluator), full-duplex voice agent talking to a GPT-4.1 voice user simulator (ElevenLabs v3 speech) under the Realistic condition (diverse accents, background and burst noise, frame drops, muffling, LLM-driven interruptions, backchannels and non-directed speech), on the 114 retail tasks (returns, exchanges, cancellations, order changes); higher is better. Source: arxiv.org. Saturation forecast: Rough model projection: around 2026. 3 models tracked.

Top models

#ModelScoreOverall rank
1GPT Realtime 1.545
2Grok Voice Agent39
3Gemini Live 2.5 Flash Native Audio30

Interactive version: theaggregate.ai/benchmark?slug=tau-voice-realistic-retail · How It Works · Data refreshed daily, snapshot 2026-10-11.