AISonnet 5.5, Haiku 5.5, Kimi K3.1 and Gemini 4 reportedly on the way
A user lists the four models as confirmed upcoming releases, citing a cryptic hint for Kimi K3.1 and placing Gemini 4 before the end of 2026. They call Fable 5.5 and an Astra update unconfirmed but very likely.
TLDR
In a September 25, 2026 post, a user says GPT-6 Astra and Opus 5.5 have arrived and labels Sonnet 5.5, Haiku 5.5, Kimi K3.1 and Gemini 4 as confirmed upcoming releases. For Kimi K3.1, they cite what they describe as a cryptic hint from Kimi; they put Gemini 4 before the end of 2026. The user calls Fable 5.5 and an Astra update unconfirmed but very likely, floating DevDay as a possible time for the Astra update. They also say there is no word yet on new GLM or DeepSeek models.
Sonnet 5.5, Haiku 5.5, Kimi K3.1 and Gemini 4 reportedly on the way
A user lists the four models as confirmed upcoming releases, citing a cryptic hint for Kimi K3.1 and placing Gemini 4 before the end of 2026. They call Fable 5.5 and an Astra update unconfirmed but very likely.
TLDR
In a September 25, 2026 post, a user says GPT-6 Astra and Opus 5.5 have arrived and labels Sonnet 5.5, Haiku 5.5, Kimi K3.1 and Gemini 4 as confirmed upcoming releases. For Kimi K3.1, they cite what they describe as a cryptic hint from Kimi; they put Gemini 4 before the end of 2026. The user calls Fable 5.5 and an Astra update unconfirmed but very likely, floating DevDay as a possible time for the Astra update. They also say there is no word yet on new GLM or DeepSeek models.