Development

One model tops effectively every board at once

development2026-06-10

Claim

Claude Fable 5 hit 80.3 on SWE-Bench Pro, near 88 on Terminal-Bench and launched first on Artificial Analysis at 64.9, five points clear of any rival, while Cognition's FrontierCode Diamond was a third saturated within 22 hours.

Reported metric: 80.3 SWE-Bench Pro / 64.9 AAII

Reporting date: 2026-06-10 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to June 10, 2026 (theinnermostloop.substack.com)

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Reported in

Welcome to June 10, 2026

Actor

Evidence for

Supersedes

The best model reaches 1.5% of human efficiency on ARC-AGI-3

Referenced by

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Citation formatCitation text

One model tops effectively every board at once
Innermost Loop KB — secondary record
Reporting date: 2026-06-10
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-06-10-a-clean-sweep-of-the-boards
Claim: Claude Fable 5 hit 80.3 on SWE-Bench Pro, near 88 on Terminal-Bench and launched first on Artificial Analysis at 64.9, five points clear of any rival, while Cognition's FrontierCode Diamond was a third saturated within 22 hours.
Attributed sources:
- Welcome to June 10, 2026 — https://theinnermostloop.substack.com/p/welcome-to-june-10-2026
This citation does not imply independent verification of linked-source claims.

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