AA-Briefcase
Artificial Analysis knowledge-work evaluation of professional deliverables. Models ranked by Elo.
Scored tasks are private. AA-Briefcase-Lite is an illustrative public scenario. Runs on AA's open Stirrup agent harness (github.com/ArtificialAnalysis/Stirrup).
- Made by
- Artificial Analysis
- Released
- 2026
- Kind
- Tasks from real jobs
- Level
- Expert
- Scored
- Graded by a model
- Answers
- Open-ended
- Tasks
- Kept private
- Strongest model tested
- Claude Fable 5.1 #7 on the capability index
- Last in a launch post
- October 2026
- Last model added
- October 2026
Claude Opus 5 leads with 1,720
Best score per model as labs report them in their own cards. Labs pick their own settings, so these compare less cleanly than independent runs.
Bars start at 800.
- 1 Claude Opus 5 1,720
- 2 Claude Fable 5.1 1,694
- 3 Grok 4.6 1,577
- 4 Kimi K3 1,548
- 5 Claude Sonnet 5 1,393
- 6
Nemotron 3.5 Super VL 1,137 - 7
Inkling-Small 917
Source: Labs’ model cards
| # | Model | Score | Setting | Date | Source |
|---|---|---|---|---|---|
| 1 | Claude Opus 5 | 1,720 | Jul 2026 | Lab model card | |
| 2 | Claude Fable 5.1 | 1,694 | Sep 2026 | Lab model card | |
| 3 | Grok 4.6 | 1,577 | Aug 2026 | Lab model card | |
| 4 | Kimi K3 | 1,548 | Jul 2026 | Lab model card | |
| 5 | Claude Sonnet 5 | 1,393 | Jun 2026 | Lab model card | |
| 6 | Nemotron 3.5 Super VL | 1,137 | Oct 2026 | Lab model card | |
| 7 | Inkling-Small | 917 | Jul 2026 | Lab model card |
3 models have held number one in labs’ own numbers since its release in January 2026
Lab claims count from the day the card came out, independent runs from the model’s release.
Source: Labs’ model cards
Scores over time
All the scores we have, one dot each, so a model tested at several settings appears more than once.
Source: Labs’ model cards
5 labs put it in a launch post in the last six months
Launch posts from every lab that has listed it, one tick per post. Tall colored ticks include it, and short gray ones leave it out.
| Date | Launch post | Score | As the post writes it |
|---|---|---|---|
| Oct 15, 2026 | Nemotron 3.5 Super VL | 1137 | AA-Briefcase-Lite offline, Nemotron 3.5 Super |
| Sep 1, 2026 | Claude Fable 5.1 | 1694 | AA-Briefcase |
| Aug 12, 2026 | Grok 4.6 | 1577 | AA-Briefcase |
| Jul 30, 2026 | Inkling-Small | 917 | AA-Briefcase |
| Jul 24, 2026 | Claude Opus 5 | 1720 | AA-Briefcase |
| Jul 16, 2026 | Kimi K3 | 1548 | AA-Briefcase (Elo) |
6 system cards report it, from 4 labs
Besides launch posts, we read the system cards, model cards and technical reports labs publish with a release. They report far more, including safety and frontier-risk tests.
| Date | Document | Score | As the document writes it | Section |
|---|---|---|---|---|
| Sep 1, 2026 | Claude Fable 5.1 system card | 1694 | AA-Briefcase Elo at max effort, run by Artificial Analysis (Table 8.1.A, 8.15.4) | Capabilities |
| Aug 12, 2026 | Grok 4.6 model card | 1577 | AA-Briefcase, Elo, high, Artificial Analysis harness (3.2) | Capabilities |
| Jul 30, 2026 | Inkling-Small model card | 917 | AA-Briefcase (5. Evaluations table) | Capabilities |
| Jul 27, 2026 | Kimi K3 technical report | 1548 | AA-Briefcase (Elo), cited from Artificial Analysis (Table 2) | Capabilities |
| Jul 24, 2026 | Claude Opus 5 system card | 1720 | AA-Briefcase Elo at max effort, run by Artificial Analysis (1693 at xhigh, 1606 at high) (Table 8.1.A, 8.13.5) | Capabilities |
| Jun 30, 2026 | Claude Sonnet 5 system card | 1393 | AA-Briefcase Elo, run by Artificial Analysis (8.11.7) | Capabilities |
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