The SOTA Crown Changes Hands Every Week Now — and Open Source Is in the Fight

Opus 4.5 is being called AGI, GPT 5.5 is reportedly weeks away, Grok 4.2 may arrive sooner, and Chinese open-source models are matching proprietary frontier performance. The model race has become a blur.

The pace of model leadership changes has become so disorienting that even industry veterans are struggling to keep track. As @bindureddy observed, the conversation has shifted in rapid cycles — from OpenAI dominance to Gemini hype to what is now "non-stop Opus 4.5 and how it's literally AGI." The half-life of a state-of-the-art claim has compressed from months to days.

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