Tau3-Voice Multilingual Banking: leaderboard
Sierra's τ³-Voice leaderboard (taubench.com), Multilingual edition (τ³-Voice 2.0, the site's default view): voice agents handle τ³-bench customer-service calls with a simulated customer in six languages. Standard submissions only; incomplete submission packages are not shown. Banking knowledge domain, submitted as a separate package and not part of the overall. Score: task-completion pass@1 (%). Higher is better.
Metric: Task completion pass@1 (%), six languages weighted equally. Source: taubench.com. Saturation forecast: Rough model projection: around 2026. 3 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | Gemini 3.8 Live (Extended Thinking) | 33.85 | |
| 2 | gpt-live-1 | 33.16 | |
| 3 | Grok Voice 2.0 (High) | 11 |
Interactive version: theaggregate.ai/benchmark?slug=tau3-voice-multilingual-banking · How It Works · Data refreshed daily, snapshot 2026-11-05.