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GPT-4

OpenAI · GPT line · flagship

Released March 14, 2023Replaced by GPT-4 Turbo

What changed

No verified summary yet. We only publish what the maker's own numbers support, so this card fills in as the sources come in.

Where the GPT line stands

GPT-6 Astra is the current model in this line. The card shows how long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.

GPT-6 Astra

OpenAI · GPT line · flagship
Just releasedreleased 6 days ago — usual gap is ~56

OpenAI's new flagship: far fewer made-up answers and a third of the tokens on coding-agent work, but the same overall score as GPT-5.6 Sol — at 2.5 times the price.

Released Sep 3, 2026 · what changed →
Days since last release
GPT-6 Astra · Sep 3, 2026
6
days
Usual gap
56
days
Recent gaps
GPT-5.6 Sol · Jul 2026
56
GPT-5.5 · Apr 2026
77
GPT-5.4 · Mar 2026
49
GPT-5.2 · Dec 2025
84

Every GPT release

Newest first. See the full line with every card →

  1. Sep 3, 2026GPT-6 Astra
  2. Jul 9, 2026GPT-5.6 Sol
  3. Apr 23, 2026GPT-5.5
  4. Mar 5, 2026GPT-5.4
  5. Dec 11, 2025GPT-5.2
  6. Nov 12, 2025GPT-5.1
  7. Aug 7, 2025GPT-5
  8. Apr 16, 2025o3
  9. Apr 14, 2025GPT-4.1
  10. Dec 5, 2024o1
  11. May 13, 2024GPT-4o
  12. Nov 6, 2023GPT-4 Turbo
  13. Mar 14, 2023GPT-4 · this page
  14. Nov 30, 2022GPT-3.5
  15. Jun 11, 2020GPT-3

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