September AI roundup: 50+ model releases including GPT-6 Astra

J A Z I I @notjaziiOriginally posted 2026.10.02

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september was the hottest month for ai we had 50+ ai model releases including frontier models like: > fable 5.1 > gpt 6 astra > gpt 6.1 sol > opus 5.5 > swe 2 > sonnet 5.5 > gpt 6 sol & luna > grok 4.7 > mimo v2.6 > step 5 preview > minimax m3.1 flash preview > and a lot more too it's crazy how fast we are moving tbh. almost every day we had a new model release and tried to cover almost everything super excited for oct and what it brings, but i'm hoping at least new astra and fable beasts that mogs everyone else which one is your fav model from september?