GPT-6 (Astra / Sol / Luna)
On September 3 OpenAI launched its strongest model, GPT-6 Astra, to a small group of organizations, opening a restricted version to paid users the next day; the smaller Sol and Luna followed on September 22.
$10 / $50Astra per million input / output tokens
Why it matters
As with Mythos, the top tier was held back at first because of its cybersecurity abilities; from October, Sol and Luna became ChatGPT's default models for paid and free users.
Costs and controversy
The public version of Astra is restricted and refuses some cybersecurity requests.
Built on
Source: openai.com ↗
Official page not opened for verification; URL taken from citations in multiple reports.