Models & LLMs

Replit switches default AI model to OpenAI over Anthropic

Replit, an AI coding platform, has switched its default AI model from Anthropic to OpenAI, according to CEO Amjad Masad. The decision was based on cost, performance, and partnership considerations. Anthropic models are still available, but OpenAI's ChatGPT is now the default for most users.

TechCrunch AI · Oct 17, 2026

What happened

  • Replit has switched its default AI model from Anthropic to OpenAI
  • OpenAI's ChatGPT is now the default for most Replit users
  • Replit still allows access to Anthropic models on its platform

Why it matters

This shift highlights the ongoing competition among AI providers and the importance of cost, performance, and partnership in business decisions. It also shows that Replit remains flexible in its model choices while prioritizing OpenAI for its platform.

The Elephant take

🐘 🦘 Replit’s choice to favor OpenAI over Anthropic is a pragmatic move, but it raises questions about the long-term implications for both companies and the broader AI ecosystem.

Who should care

  • AI developers
  • TechCrunch readers
  • Replit users

What to do next

  1. Evaluate AI model choices based on performance and cost
  2. Stay informed about changes in AI platform partnerships
  3. Consider alternative models if default options change

Keep in mind

The decision may not reflect the full picture of Replit's partnership with Anthropic, as insiders suggest the relationship is still active.

Read the original reporting at TechCrunch AI ↗