Development

OpenAI introduces GPT-6.1 Sol

development2026-09-30models

Claim

The newsletter reports GPT-6.1 Sol nearly matching GPT-6 Astra at one-fifth of its price.

Reported metric: one-fifth the price

Reporting date: 2026-09-30 (not necessarily the event date)

Sources

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

Welcome to September 30, 2026 (theinnermostloop.substack.com)
Source linked by the September 30 issue (openai.com)

Indexed from the September 30 newsletter. Linked-source claims have not been independently verified.

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About

Reported in

Welcome to September 30, 2026

Actor

OpenAI

Evidence for

An intelligence explosion that is also a price implosion

Referenced by

Welcome to September 30, 2026

Cite or correct this record

Citation formatCitation text

OpenAI introduces GPT-6.1 Sol
Innermost Loop KB — secondary record
Reporting date: 2026-09-30
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-09-30-sol-release
Claim: The newsletter reports GPT-6.1 Sol nearly matching GPT-6 Astra at one-fifth of its price.
Attributed sources:
- Welcome to September 30, 2026 — https://theinnermostloop.substack.com/p/welcome-to-september-30-2026
- Source linked by the September 30 issue — https://openai.com/index/introducing-gpt-6-1-sol/
This citation does not imply independent verification of linked-source claims.

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