AA-LCR v1.1 leaderboard
As of November 14, 2026, among the results listed here, StepFun Step 5 Preview has the highest reported AA-LCR v1.1 score, 88.3% (High), published by StepFun, ahead of Thinking Machines Inkling 2 Small at 83.3%. 3 models have a AA-LCR v1.1 result in our records.
Scores as the model makers published them, not re-run by us; each row links to its announcement.
3 models ranked · 3 makers
| Rank | Model | Score | Setting | Reported by | Date |
|---|---|---|---|---|---|
| 1 | Step 5 Preview | 88.3% | High | StepFun | October 8, 2026 (model release) |
| 2 | T Inkling 2 Small | 83.3% | Not published | Thinking Machines | November 9, 2026 (model release) |
| 3 | Mercury 3Retired | 77.7% | MEDIUM | Inception | September 8, 2026 (model release) · read from the maker's chart |
How much to trust these numbers
- Source
- Reported by the model makers themselves. Not re-run by LLMBenchmark or anyone independent.
- Settings
- Settings differ between makers. Check the Setting column before comparing two scores.
- Spread
- 88.3% to 77.7% across 3 models.
- Freshness
- Newest result published November 9, 2026; oldest September 8, 2026.
- Charts
- Some values were read from charts in the announcements. Two independent readings had to match exactly.
What AA-LCR v1.1 measures
Models answer 100 questions across varied documents, including academic papers, to test long-context reasoning; the search results do not explain what the score means. Source: AA-LCR v1.1: Long Context Reasoning Benchmark