Development

Four launches in eight days lift six labs above an intelligence threshold

development2026-07-18

Claim

Four launches in eight days — Grok 4.5, GPT-5.6, Muse Spark 1.1 and K3 — lifted six labs above 50 on the intelligence index, up from two in June, with the top three models spanning just three points across three labs and Fable 5's lead narrowing from four points to one.

Reported metric: 6 labs above 50, up from 2

Reporting date: 2026-07-18 (not necessarily the event date)

Sources

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

Welcome to July 18, 2026 (theinnermostloop.substack.com)

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Reported in

Welcome to July 18, 2026

Evidence for

Supersedes

An open-weight model tops a benchmark ahead of every closed model

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Citation formatCitation text

Four launches in eight days lift six labs above an intelligence threshold
Innermost Loop KB — secondary record
Reporting date: 2026-07-18
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-07-18-six-labs-above-fifty-up-from-two
Claim: Four launches in eight days — Grok 4.5, GPT-5.6, Muse Spark 1.1 and K3 — lifted six labs above 50 on the intelligence index, up from two in June, with the top three models spanning just three points across three labs and Fable 5's lead narrowing from four points to one.
Attributed sources:
- Welcome to July 18, 2026 — https://theinnermostloop.substack.com/p/welcome-to-july-18-2026
This citation does not imply independent verification of linked-source claims.

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