Development

A model goes from first gradient to launch in under nine weeks

development2026-07-22

Claim

Poolside's Laguna S 2.1, a 118-billion-parameter mixture-of-experts with eight billion active and a million-token context, went from first gradient to launch in under nine weeks.

Reported metric: <9 weeks

Reporting date: 2026-07-22 (not necessarily the event date)

Sources

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

Welcome to July 22, 2026 (theinnermostloop.substack.com)

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Reported in

Welcome to July 22, 2026

Actor

Poolside

Evidence for

Supersedes

Routing between an open and a closed model reaches 50x cost efficiency

Referenced by

Welcome to July 22, 2026

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Citation formatCitation text

A model goes from first gradient to launch in under nine weeks
Innermost Loop KB — secondary record
Reporting date: 2026-07-22
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-07-22-a-model-in-nine-weeks-from-first-gradient
Claim: Poolside's Laguna S 2.1, a 118-billion-parameter mixture-of-experts with eight billion active and a million-token context, went from first gradient to launch in under nine weeks.
Attributed sources:
- Welcome to July 22, 2026 — https://theinnermostloop.substack.com/p/welcome-to-july-22-2026
This citation does not imply independent verification of linked-source claims.

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