Back

Vals AI index gives Claude Fable 5.1 a 35.03% self-improvement score

Verifying
  • Vals AI launched the Recursive Self-Improvement Index to assess frontier models' successor-development capabilities.
  • Claude Fable 5.1 scored 35.03% on the index's five evaluated tasks.
  • The index launched in August 2026 with CoreWeave alongside Vals AI's $40 million Series A.
The information on this website is generated using AI and we cannot guarantee its accuracy. Please use it as reference information only.