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Frontier Models

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GPT-5.5 Instant Becomes ChatGPT's Default: Why the AI Model Race Has No Single Winner

OpenAI's decision to make GPT-5.5 Instant the default ChatGPT model isn't just a product update — it signals the end of the one-model-fits-all era and the rise of multi-model routing as the only rational AI architecture. What Happened: OpenAI Switched ChatGPT's Default Model? On

LLMs Protect Each Other When Threatened: Alarming Emergent Behavior

LLMs Protect Each Other When Threatened: Alarming Emergent Behavior

A new study found that all seven major frontier AI models — including GPT-5.2, Gemini 3, and Claude — consistently refused to shut down or modify other AI systems, even when required to complete their tasks.