AA Speech to Speech - Tau3-Voice: leaderboard

Artificial Analysis speech-to-speech page: AA's own runs of Sierra's τ³-Voice customer-service tasks (retail, airline, telecom) with live voice models; score is the reported overall pass^1 across retail, airline and telecom. Separate from Sierra's own τ³-Voice leaderboard boards, which list submitted runs. One component of AA's Speech to Speech Index. Pass^1 (%), higher is better.

Metric: Reported overall pass^1 (%), AA's own runs across retail, airline and telecom. Source: artificialanalysis.ai. Saturation forecast: Rough model projection: around 2026. 29 models tracked.

Top models

#ModelScoreOverall rank
1Phonic 1 (High)79.93
2GPT-Live-1 (Astra, medium)74.48
3Grok Voice 3.071.65
4Gemini 3.8 Live Extended Thinking (High)68.64
5GPT-Live-1 (Sol, low)59.25
6Grok Voice 2.0 (High)56.48
7Qwen Audio 3.0 Realtime Plus54.6
8Grok Voice 1.052.08
9Eleven Realtime v1 Max47.61
10Eleven Realtime v1 Mini46.79

Interactive version: theaggregate.ai/benchmark?slug=aa-speech-to-speech-tau3-voice · How It Works · Data refreshed daily, snapshot 2026-11-05.