Development

OpenAI introduces GPT-6 Sol and Luna

development2026-09-24models

Claim

The issue reports GPT-6 Sol and Luna halving API rates and Sol outperforming Opus 5 on business workflows at 9% of the cost.

Reported metric: half API rates; 9% of the cost

Reporting date: 2026-09-24 (not necessarily the event date)

Sources

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

Welcome to September 24, 2026 (theinnermostloop.substack.com)
Source linked by the September 24 issue (openai.com)

Indexed from the September 24 newsletter. Linked-source claims have not been independently verified.

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About

Related to

A rumor names Bel as an internal OpenAI system

Reported in

Welcome to September 24, 2026

Actor

OpenAI

Evidence for

An intelligence explosion that is also a price implosion

Referenced by

Cite or correct this record

Citation formatCitation text

OpenAI introduces GPT-6 Sol and Luna
Innermost Loop KB — secondary record
Reporting date: 2026-09-24
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-09-24-sol-luna-release
Claim: The issue reports GPT-6 Sol and Luna halving API rates and Sol outperforming Opus 5 on business workflows at 9% of the cost.
Attributed sources:
- Welcome to September 24, 2026 — https://theinnermostloop.substack.com/p/welcome-to-september-24-2026
- Source linked by the September 24 issue — https://openai.com/index/introducing-gpt-6-sol-and-luna/
This citation does not imply independent verification of linked-source claims.

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