# τ²-bench (telecom) — AI model rankings

task success in the telecom domain of the second-generation customer-service evaluation

5 tracked models have a published τ²-bench (telecom) score. Higher is better. Scores come from published lab reports and benchmark sources; recorded sources appear beside the scores.

## Ranking

| Rank | Model | Developer | Score | Source | Released |
| --- | --- | --- | --- | --- | --- |
| 1 | Gemini 3.1 Pro | Google | 99.3% | Lab | Feb 19 2026 |
| 2 | Gemini 3.0 Pro | Google | 98% | Lab | Nov 18 2025 |
| 3 | GPT-5 | OpenAI | 96.7% | Lab | Aug 7 2025 |
| 4 | GPT-5 mini | OpenAI | 74.1% | Lab | Aug 7 2025 |
| 5 | GPT-5 nano | OpenAI | 35.5% | Lab | Aug 7 2025 |


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Canonical page: https://aireleasetracker.com/benchmark/tau2-telecom
Site index: https://aireleasetracker.com/llms.txt
Source: AI Release Tracker (https://aireleasetracker.com). Most benchmark scores come from lab launch material; gathered results identify the leaderboard that published them.