In September 2026, Anthropic CEO Dario Amodei published an essay calling on the AI industry to slow down frontier model development, a position endorsed by OpenAI’s Sam Altman and Elon Musk. Weeks later, Google and Meta reignited competition by releasing Gemini 4 Argon and Muse Wonder Full, models that match or exceed offerings from OpenAI and Anthropic. The average gap between major AI model releases fell from 125 days to just 44 days in 2026, while the combined annualized revenue run rate of OpenAI and Anthropic tripled from approximately 30 billion dollars at the start of 2026 to around 105 billion dollars by late summer. This intensification illustrates the fragility of voluntary coordination among AI labs and the difficulty of maintaining pauses under competitive and geopolitical pressure.
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