tau2-bench Telecom

Telecom support where agent and user both act on a shared environment. Close to saturation.

CategoryAgents
Metricpass^1 (%)
Sourcetau2-bench (original)
LicenseMIT
Benchmark pagetaubench.com
StatusScored
Weight0.6 within Agents
FitDiscrimination 0.88, noise 0.74

Results

#ModelProviderResultDate
1 Qwen3.5 397B-A17B Alibaba 97.8% 2026-02-27
2 Claude Opus 4.5 High Anthropic 92.3% 2026-05-05
3 Gemini 3 Flash Preview High Google 91.2% 2026-03-02
4 Gemini 3 Pro Preview High Google 91.0% 2026-03-02
5 GPT-5.2 High OpenAI 89.7% 2026-05-05
6 GLM-5 Zhipu AI 86.8% 2026-02-27
7 Claude Sonnet 4.5 Anthropic 84.9% 2026-02-24
8 GPT-5.2 Non-reasoning OpenAI 57.2% 2026-05-26