AI Model Radar: Confirmed Releases and Rumor Status
A sourced September 6, 2026 snapshot of Astra, Fable 5.1, Gemini 3.8 Flash and Grok 4.6, with restricted and unconfirmed status clearly labeled.
A dated editorial snapshot checked September 6, 2026. This page does not update automatically. Confirmed means a documented announcement, not access for every account. Restricted access and unconfirmed future releases remain separate.
GPT-6 Astra
Status: Confirmed. Verified September 6.
Listed in OpenAI’s model reference for complex work. Tool access depends on the environment.
OpenAI: GPT-6 Astra model reference
Claude Fable 5.1
Status: Confirmed. September 2026 announcement.
Officially introduced by Anthropic. Check current access for your account.
Anthropic: introducing Fable 5.1 and Mythos 5.1
Claude Mythos 5.1
Status: Restricted. September 2026 announcement.
Trusted-access arrangements and different safeguards; not ordinary unrestricted consumer availability.
Anthropic: introducing Fable 5.1 and Mythos 5.1
Gemini 3.8 Flash
Status: Confirmed. September 2, 2026.
Official announcement covers developer access and Google AI Pro and Ultra app access.
Google: Gemini 3.8 Flash and Flash Cyber, September 2
Gemini 3.8 Flash Cyber
Status: Restricted. September 2, 2026.
Prioritized access through the Fairwind Program. Separate from ordinary Flash access.
Google: Gemini 3.8 Flash and Flash Cyber, September 2
Grok 4.6
Status: Confirmed. August 12, 2026 API release.
API availability is documented. Consumer app availability must be checked separately.
Additional future flagship models
Status: Unconfirmed. Checked through September 6.
This edition has no verified primary announcement establishing additional future names or launch dates. No speculative calendar is presented.
Read the Astra and Fable 5.1 briefing | Create a comparison mission.
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