# AA-Briefcase — AI model rankings

Artificial Analysis agentic office-work eval (Elo)

4 tracked models have a published AA-Briefcase 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 | Claude Fable 5.1 | Anthropic | 1694 | Lab | Sep 1 2026 |
| 2 | Claude Opus 5 | Anthropic | 1685 | Lab | Jul 24 2026 |
| 3 | Grok 4.6 | SpaceXAI | 1577 | Lab | Aug 12 2026 |
| 4 | Grok 4.5 | SpaceXAI | 1313 | Lab | Jul 8 2026 |


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Canonical page: https://aireleasetracker.com/benchmark/aa-briefcase
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.