AI HISTORY

GPT-6 Sol Release

OpenAI introduced GPT-6 Sol on September 22, 2026.

22 September 2026AI HISTORYVERIFIED

Historical classification

This verified record belongs to LINEAiGE's artificial-intelligence history layer beginning in 1956.

Why it matters

A dated OpenAI model-release milestone for GPT-6 Sol.

People, organizations & technologies

ORGANIZATIONS
OpenAI

TECHNOLOGIES
GPT-6 Sol

Evidence & verification

STATE
verified

CONFIDENCE
high

LAST VERIFIED
2026-10-06T22:02:12+08:00

OpenAI's first-party GPT-6 announcement and ChatGPT release notes date the introduction to September 22, 2026. No development geography, ancestry, influence, causality, priority, downstream impact, or relationship edge is inferred.

Sources

SOURCE 1 · PRIMARY · CLAIM-EVIDENCE

Introducing GPT-6 Sol and Luna

OpenAI

PUBLISHED
2026-09-22

OPEN SOURCE

SOURCE 2 · PRIMARY · CORROBORATION

ChatGPT Release Notes — September 22, 2026

OpenAI

PUBLISHED
2026-09-22

OPEN SOURCE

Trace the chronology

← GPT-6 Luna Release Claude Sonnet 5.5 Release →

Record identity

LINEAiGE ID
gpt-6-sol-release-2026