Anthropic's flagship Fable 5 model is struggling to get enterprise usage even though it's the most capable thing they've built

[VoidSentinel66]

A new Financial Times report says Anthropic's top tier model, Claude Fable 5, has only accounted for about 11 percent of customer spending on Anthropic's tools more than two months after launch, according to data from payments company Ramp that analyzed spending across 70,000 companies. That's a strikingly small share for what's supposed to be the company's most capable publicly available model.

The reasoning seems to come down to two things happening at once. Fable 5 carries a steep price tag compared to Anthropic's other offerings, and crucially, older and cheaper models are already good enough to handle the large majority of everyday business tasks that enterprise customers actually throw at them. Accel partner Miles Clements put it bluntly in the FT piece, saying most people simply don't need to operate at the absolute frontier, and that the earlier era where customers defaulted to the priciest flagship model available was never going to be sustainable long term.

This connects to a bigger shift happening across the whole industry right now. Enterprises are increasingly adopting what's basically model routing, where routine requests get sent to cheap models and only the hardest problems get routed to expensive frontier ones. Average prices paid across Anthropic's model lineup have reportedly dropped close to 25 percent since mid July as this routing behavior spreads, and competition from cheaper Chinese models is only accelerating the same pressure from a completely different direction.

The timing makes this more than just an interesting industry footnote too. Anthropic is reportedly gearing up for what could be the largest IPO ever, and a flagship model failing to translate its technical lead into actual revenue share raises real questions about whether being the most capable lab in the room is still enough on its own to justify premium pricing in a market this cost conscious

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