Anthropic had earlier asked the AI industry to pace itself, meaning to slow the race toward ever more powerful systems. The purpose was to create time for governments, experts, and society to build proper rules and safety systems. The message was clear: progress should not outrun humanity’s ability to control it.
But Anthropic’s latest move raises a serious question about what “pacing” really means. The company has launched Claude Fable 5.2 and Mythos 5.2, described as its most capable models for demanding work in coding, finance, and science. Instead of slowing down, it has delivered another major step forward in frontier AI.
Fable 5.2 is cheaper and faster than the earlier version, while also reaching the top of Artificial Analysis’ Intelligence Index. It has even moved ahead of Google’s unreleased Gemini 4 Carbon model. For ordinary users, this does not look like a pause; it looks like the *race is becoming faster and more intense.
Mythos 5.2 is limited to carefully checked cybersecurity and life-sciences groups, while Fable has stronger safety guardrails. These steps may reduce some risks, but they do not change the larger concern. If powerful AI keeps advancing before strong regulation is in place, calling it “pacing” may become little more than a comforting word.
PACING THE FUTURE CANNOT MEAN RACING PAST SAFETY.
Sanjay Sahay
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