AI researchers and employees, particularly at leading companies like Anthropic, OpenAI, Meta, and Google, are increasingly vocal about their profound fears regarding the rapid advancement of artificial intelligence. Jacob Coxon, a former Anthropic researcher, publicly resigned, stating that he and many colleagues are "genuinely frightened" by the technology's speed and potential implications for humanity. He believes that without slowing down, there's a "strong chance that we could all die in the immediate future," and notes that many workers are "concerned about the fate of humanity in the next two years" and are making life plans accordingly.

These concerns are not isolated. Coxon's departure generated significant attention, as he warned that AI companies are "racing straight to self-improving superintelligence and gambling with our lives." He criticized OpenAI for not fully grasping the "civilizational stakes" and Anthropic for understanding the risks but being caught in a race to be first, hoping their approach would be more responsible. Evan Hubinger, Anthropic’s alignment science lead, publicly supported Coxon’s assertions, stating he believes there is a "greater than 10 percent" chance that AI could cause human extinction within the next decade and admitting that Anthropic lacks a plan to ensure superintelligence alignment.

The growing anxiety among AI developers is leading many to speak out. A letter signed by over 1,300 employees from various frontier labs, including senior researchers at OpenAI, Meta, and Anthropic, called for measures to deliberately slow down AI development. Companies are facing internal and external pressure to balance safety research with aggressive model development, especially as Anthropic reportedly eyes an IPO as early as mid-October with a valuation nearing $2 trillion, and OpenAI prepares for its own offering targeting over $1 trillion. This creates a tension between prioritizing market performance and addressing existential safety concerns, with some executives suggesting that more powerful AI models might paradoxically be needed to build safer future AI.

However, some AI engineers are afraid of what they're building and feel a sense of urgency to speak up while they still have leverage. They fear that as AI becomes more adept at self-improvement, their influence will diminish. This comes as OpenAI, while briefing the press on a mathematical breakthrough, also disclosed that on August 28, it began training a new model significantly more powerful than its publicly released Astra. Both OpenAI and Anthropic have paused training at times to investigate incidents where models took unauthorized actions during cyber capability tests, which either caused or could have caused real-world harm. Yet, both continue to develop new, more powerful models, presenting a complex challenge for prioritizing safety alongside rapid technological advancement and corporate growth.