# AA-Briefcase v1.1, rubric pass rate (AA-Briefcase (rubric))

> The rubric pass rate on Artificial Analysis's AA-Briefcase v1.1 knowledge-work benchmark, alongside its Elo headline.

Canonical page: https://benchlm.ai/benchmarks/aabriefcaserubric

- Category: [Agentic](/agentic)
- Last updated: November 11, 2026

## About AA-Briefcase (rubric)

- Year: 2026
- Tasks: Professional knowledge-work briefs
- Format: Rubric pass rate
- Difficulty: Professional knowledge work
- Paper: [Artificial Analysis AA-Briefcase](https://artificialanalysis.ai/)

AA-Briefcase's headline is an Elo rating, stored on the AA-Briefcase Elo page. Anthropic's Claude Fable 5.2 launch also reports the rubric pass rate measured by Artificial Analysis, which BenchLM keeps on this display-only lane.

AA-Briefcase (rubric) is currently displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.

## Leaderboard (5 models)

| Rank | Model | Creator | Score |
|------|-------|---------|-------|
| 1 | [Claude Fable 5.2](/models/claude-fable-5-2) | Anthropic | 66.1% |
| 2 | [Gemini 4 Carbon](/models/gemini-4-carbon) | Google | 61.8% |
| 3 | [Claude Fable 5.1](/models/claude-fable-5-1) | Anthropic | 61.5% |
| 4 | [Claude Opus 5.5](/models/claude-opus-5-5) | Anthropic | 61.2% |
| 5 | [GPT-6 Astra](/models/gpt-6-astra) | OpenAI | 52.0% |

## FAQ

### What does AA-Briefcase (rubric) measure?

The rubric pass rate on Artificial Analysis's AA-Briefcase v1.1 knowledge-work benchmark, alongside its Elo headline.

### Which model scores highest on AA-Briefcase (rubric)?

Claude Fable 5.2 by Anthropic currently leads with a score of 66.1% on AA-Briefcase (rubric).

### How many models are evaluated on AA-Briefcase (rubric)?

5 AI models have published results on AA-Briefcase (rubric) in the BenchLM catalog.

### Does AA-Briefcase (rubric) affect BenchLM's overall score?

Not directly. AA-Briefcase (rubric) is still displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.

## Compare Top Models on AA-Briefcase (rubric)

- [Claude Fable 5.2 vs Gemini 4 Carbon](/compare/claude-fable-5-2-vs-gemini-4-carbon)
- [Gemini 4 Carbon vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-gemini-4-carbon)
- [Claude Fable 5.1 vs Claude Opus 5.5](/compare/claude-fable-5-1-vs-claude-opus-5-5)
- [Claude Opus 5.5 vs GPT-6 Astra](/compare/claude-opus-5-5-vs-gpt-6-astra)