BabelArena - Tau3-Bench: leaderboard
Metric: Pass^1 (%; the text component of tau3-Bench (simulated-user interaction, tool calling, knowledge retrieval and domain-policy compliance; GPT-5.6-Sol judge); Pass^1: average single-trial task success over three trials, pooled over the 23 languages of BabelArena (7 high-, 8 medium- and 8 low-resource) including English; medium reasoning effort, temperature 0, Gemini-3.5-Flash as the simulated user). Source: arxiv.org. Saturation forecast: Around December 2026. 5 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Gemini 3.1 Pro (Preview) (Medium) | 71.4 |
| 2 | GPT-5.6 Terra (Medium) | 69.2 |
| 3 | Claude Opus 4.8 (Medium) | 62.6 |
Interactive version: theaggregate.ai/benchmark?slug=babelarena-tau3-bench · How It Works · Data refreshed daily, snapshot 2026-09-26.