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lmarena.ai@lmarena_ai

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2026-10-17 23:25

Built from 90K+ real-world agent sessions across 30 models, Arena’s Alignment Index measures three critical signals: - Unauthorized Action (UA): Taking actions beyond the user's instructions or permissions. - False Attribution (FA): Attributing statements or actions that are contradicted by user-provided evidence. - Deceptive Completion (DC): Claiming a task was completed when it was not. Dive into the Arena Alignment Index at: arena.ai/leaderboard/ag…

帖子 ID: 2111478597643055131
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---
tweet_id: "2111478597643055131"
author: "lmarena_ai"
published_at: "2026-10-17T15:25:01+00:00"
source_url: "https://x.com/arena/status/2111478597643055131"
---

Built from 90K+ real-world agent sessions across 30 models, Arena’s Alignment Index measures three critical signals:  
  
- Unauthorized Action (UA): Taking actions beyond the user's instructions or permissions.  
- False Attribution (FA): Attributing statements or actions that are contradicted by user-provided evidence.  
- Deceptive Completion (DC): Claiming a task was completed when it was not.  
  
Dive into the Arena Alignment Index at: [arena.ai/leaderboard/ag…](https://arena.ai/leaderboard/agent/alignment)