Replit's CEO confirmed OpenAI will replace Anthropic as the coding platform's default model provider, though Claude stays available as an option.
Replit CEO Amjad Masad clarified over the weekend that OpenAI is now the platform's default model, displacing Anthropic from that position. Claude remains accessible to customers who choose it, but the default setting carries outsized weight given how few users change defaults.
The switch comes amid a broader scramble among AI-native platforms to lock in model partnerships that affect cost, latency, and output quality for millions of coding sessions.
Default model status drives distribution at scale, and Replit's move shows how quickly platform loyalty shifts when pricing or performance tips. Any company building on top of a single LLM provider should assume today's default is next quarter's legacy choice.
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