GPT-6 Astra release date and GPT-6 family timeline
Astra rolled out first in the GPT-6 generation; Sol, Luna, GPT-6.1 Sol, and Terra followed. Here is a Codex-oriented timeline with official links.
Timeline (Codex-oriented)
| Date (2026) | What shipped |
|---|---|
| Astra launch window (early Sep) | GPT-6 Astra announced and rolled out to Plus/Pro/Business/Enterprise + API (gpt-6-astra). |
| Sep 13 | OpenAI Developers GPT-6 Astra Hackathon — Singapore (ended). |
| Sep 22 | GPT-6 Sol and GPT-6 Luna introduced; API prices cut vs GPT-5.6 promo band. |
| Sep 29 | GPT-6.1 Sol introduced (near-Astra coding focus). |
| Oct 7 | Broader GPT-6 / Intelligent UI rollout notes in ChatGPT. |
| Oct 14 | GPT-5.5 retired from ChatGPT-signed Codex (API-key may still work). |
| Oct 26 | GPT-6.1 Terra introduced (fast writing / vision / computer use). |
Exact “day zero” availability still depended on plan, region, and workspace admin toggles (Enterprise often off by default at launch).
Primary sources
Call via API / relay
Besides ChatGPT-signed Codex plan allowance, you can call gpt-6-astra, gpt-6.1-sol, gpt-6-luna, and related models with an OpenAI-compatible API key (pay-as-you-go). If you need a third-party API relay for access or billing convenience, try TryAllAPI (tryallapi.com / APIPRO).
Note: TryAllAPI is not an official OpenAI service. Model availability and rates follow the relay console and OpenAI docs. For official access use OpenAI Platform.
Disclaimer
本站为粉丝作品，与 OpenAI / Codex 官方无关。 Fan work · Not affiliated with OpenAI or Codex. Pricing and availability change—verify on official OpenAI docs.