Replit ends partnership with Anthropic, CEO Amjad Masad reveals

Replit, the popular cloud-based software development platform utilized by startup founders and developers worldwide, has officially severed its commercial ties with AI lab Anthropic. The announcement was made by Replit CEO and co-founder Amjad Masad while speaking onstage at the TechCrunch Disrupt 2026 event. This revelation marks a significant shift in the platform's underlying technology infrastructure and its strategic vendor relationships within the fast-moving artificial intelligence ecosystem.

According to Masad, the choice to move away from Anthropic was driven by a combination of practical considerations, including cost efficiency and raw technical performance. Replit had previously announced a partnership with OpenAI in August, signaling a broader diversification and evolution of its AI model integrations. During his remarks, Masad explicitly stated his belief that competing offerings have surpassed previous capabilities, noting that internal and public benchmarks indicate superior performance for specific development tasks.

The collaboration with Anthropic had previously been a cornerstone of Replit's growth, utilizing Claude models to power its cloud development environment and significantly boosting company revenues. However, the operational landscape of generative AI moves at an unprecedented pace, requiring platforms to constantly evaluate their foundational partners. Masad emphasized that performance metrics and partnership terms ultimately dictated the transition away from Anthropic in favor of alternatives that better align with their current product roadmap.

Interestingly, the CEO's public statements were met with immediate pushback and skepticism from industry insiders familiar with the arrangement. Sources close to the situation claimed that the partnership might still be in effect, pointing to technical evidence as recent as September showing Anthropic's Claude models actively running within Replit Agent's production environment. In response to these conflicting reports, media outlets have sought further clarification from Replit representatives to reconcile the official executive statements with observed technical implementations.

Beyond the partnership shift, Masad also shared encouraging insights regarding Replit's overall financial health and market expansion during his Disrupt appearance. The company is experiencing a notable pivot toward enterprise and business-to-business customers, signaling maturation in its revenue streams. Enterprise contracts, which accounted for a mere two percent of revenue in the previous year, have surged to approximately fifteen percent. Furthermore, more than half of Replit's total revenue now stems from broader B2B operations, reflecting strong enterprise adoption.

Concluding his remarks, Masad touched upon the broader architectural and safety requirements necessary for modern artificial intelligence deployment. He drew an analogy between human workspaces and the digital habitats required by autonomous coding agents. According to the CEO, providing a robust environment complete with orchestration, error recovery, network security, and rigorous sandboxing is essential for agents to execute complex tasks safely and effectively as the industry continues to evolve.