Anthropic Walks Away From $6 Billion Decart AI Acquisition After Due Diligence

The Quick Take

• Anthropic has walked away from a potential acquisition of Decart, a US AI startup valued at approximately $6 billion.
• The deal reportedly failed after Anthropic completed due diligence without reaching agreement terms.
• The withdrawal signals cautious capital discipline by Anthropic amid a broadly elevated AI startup valuation environment.

Anthropic, the maker of Claude AI, has reportedly walked away from acquiring Decart, a US-based AI startup valued at around $6 billion, after exploring a deal and completing due diligence. The collapse of a potential transaction at this scale is notable given the current environment where AI companies are under investor pressure to scale capabilities through acquisitions rather than purely organic development. Decart was understood to be working on advanced AI inference and simulation technology.

Anthropic's withdrawal reflects either valuation discipline—refusing to overpay in a frothy AI M&A market—or a strategic reassessment that the capability gaps Decart was meant to address can be closed organically. For the broader AI startup ecosystem, a failed $6 billion deal signals that even well-funded acquirers are applying rigorous due diligence gates rather than bidding for strategic assets at any price. Competitors like Google, Microsoft, and Amazon may now be positioned to approach Decart.

Watch whether Decart raises a standalone financing round at or near its $6 billion valuation in the coming months, which would validate that market pricing remains intact despite Anthropic's exit. The macro variable is whether AI compute cost compression changes the build-vs-buy calculus for leading foundation model companies, as falling inference costs reduce the urgency of acquiring specialized inference startups.

Synthesized from 1 source.