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Map / Core AI / Foundation Models / ChatGPT / Astra

GPT Astra

by OpenAI · part of ChatGPT · Text

OpenAI's top tier since GPT-6, above Sol, for the hardest end-to-end reasoning, coding, computer use and research work.

Latest version

Astra 63 Sep 2026 · 55 days ago

Versions

1since GPT-6 Astra in September 2026

All versions

VersionReleasedAfter previousStatusSource
GPT-6 Astra3 Sep 2026FirstLatestdevelopers.openai.com

Dates from OpenAI's own announcements; each row links to its source.

The ChatGPT family

2023202420252026TodayAstraGPT-6 Astra, 3 Sep 20266SolGPT-4, 14 Mar 20234GPT-4 Turbo, 9 Apr 2024GPT-4o, 13 May 20244oGPT-4.5, 27 Feb 2025, previewGPT-4.1, 14 Apr 20254.1GPT-5, 7 Aug 20255GPT-5.1, 12 Nov 2025GPT-5.2, 11 Dec 20255.2GPT-5.4, 5 Mar 2026GPT-5.5, 23 Apr 20265.5GPT-5.6 Sol, 9 Jul 20265.6GPT-6 Sol, 22 Sep 2026GPT-6.1 Sol, 29 Sep 20266.1TerraGPT-4o mini, 18 Jul 20244oGPT-4.1 mini, 14 Apr 20254.1GPT-5 mini, 7 Aug 20255GPT-5.4 mini, 17 Mar 20265.4GPT-5.6 Terra, 9 Jul 20265.6LunaGPT-4.1 nano, 14 Apr 20254.1GPT-5 nano, 7 Aug 20255GPT-5.4 nano, 17 Mar 20265.4GPT-5.6 Luna, 9 Jul 20265.6GPT-6 Luna, 22 Sep 20266o-seriesOpenAI o1, 5 Dec 20241OpenAI o3, 16 Apr 2025OpenAI o4-mini, 16 Apr 20254

VersionPreviewLatest version

Questions

What is the latest version of GPT Astra?

GPT-6 Astra, released on 3 Sep 2026.

When was GPT-6 Astra released?

GPT-6 Astra came out on 3 Sep 2026.