Development

Opus 4.6 takes the top index spot as markets price the next month

development2026-02-07

Claim

Claude Opus 4.6 took first on the Vals Index and the Code and Text Arenas while statistically tying GPT-5.2-xhigh across FrontierMath Tiers 1 to 4, with prediction markets giving Anthropic 67% odds of the best model by month's end.

Reported metric: 67% odds

Reporting date: 2026-02-07 (not necessarily the event date)

Sources

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

Welcome to February 7, 2026 (theinnermostloop.substack.com)

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About

Vals Index

Reported in

Welcome to February 7, 2026

Actor

Anthropic

Evidence for

Supersedes

A benchmark record is beaten under thirty minutes later

Referenced by

Welcome to February 7, 2026

Cite or correct this record

Citation formatCitation text

Opus 4.6 takes the top index spot as markets price the next month
Innermost Loop KB — secondary record
Reporting date: 2026-02-07
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-02-07-opus-46-tops-vals-index
Claim: Claude Opus 4.6 took first on the Vals Index and the Code and Text Arenas while statistically tying GPT-5.2-xhigh across FrontierMath Tiers 1 to 4, with prediction markets giving Anthropic 67% odds of the best model by month's end.
Attributed sources:
- Welcome to February 7, 2026 — https://theinnermostloop.substack.com/p/welcome-to-february-7-2026
This citation does not imply independent verification of linked-source claims.

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