Development

Three frontier releases land in one month

development2026-03-29

Claim

GPT-5.5, Claude 5 Mythos and DeepSeek-V4 are all expected in April, a triple release commentators warn could make frontier intelligence too expensive for most of humanity as massive training runs become table stakes.

Reporting date: 2026-03-29 (not necessarily the event date)

Sources

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

Welcome to March 29, 2026 (theinnermostloop.substack.com)

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Reported in

Welcome to March 29, 2026

Actor

Evidence for

Supersedes

A tier above Opus leaks and is deleted

Referenced by

Welcome to March 29, 2026

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Citation formatCitation text

Three frontier releases land in one month
Innermost Loop KB — secondary record
Reporting date: 2026-03-29
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-03-29-triple-release-may-price-out-humanity
Claim: GPT-5.5, Claude 5 Mythos and DeepSeek-V4 are all expected in April, a triple release commentators warn could make frontier intelligence too expensive for most of humanity as massive training runs become table stakes.
Attributed sources:
- Welcome to March 29, 2026 — https://theinnermostloop.substack.com/p/welcome-to-march-29-2026
This citation does not imply independent verification of linked-source claims.

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