Fall model wave: OpenAI's GPT-6 to ship under Sol, Terra and Luna names

WorldofAI @intheworldofaiOriginally posted 2026.09.21

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AI Fall is going to be nuts! > Anthropic: Fable 5.2 / Opus 5.5 > OpenAI: GPT-6 under the Sol / Terra / Luna names > Google: Gemini 4 Pro, Flash tagging along if they feel generous > xAI: Grok 4.7, 4.8, 4.9, & 5.0 Then the China rush: Xiaomi MiMo, Kimi K3.1, Qwen-4, DeepSeek-V4.1 Pro, HY4 Pro, MiniMax M3.1, & GLM 5.5!