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September 2026 model release list includes Gemini 3.8 Flash

A month-by-month list of September releases including Claude Fable 5.1, Gemini 3.8 Flash and GPT-6 Astra/Sol, with a note that a model picked on Aug 31 is already outdated.

Shubh Jain
@shubh19Archived 28 days agoOriginally posted 2026.09.30
September 2026 model release list includes Gemini 3.8 Flash
Shubh Jain @shubh19Originally posted 2026.09.30
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September 2026, by release date: Sep 1: Claude Fable 5.1 Sep 2: Gemini 3.8 Flash Sep 3: GPT-6 Astra Sep 22: GPT-6 Sol Sep 28: Claude Sonnet 5.5 Sep 29: GPT-6.1 Sol The model you picked on Aug 31 has had a rough month.

x.com/shubh19/status/2105153379274293369Archived 2026.10.01 10:02