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Exclusive: Replit taps OpenAI's low-cost Luna model for new 'Free Mode'

Vibe coding company Replit debuted Free Mode today, a new feature powered by OpenAI’s GPT-5.6 Luna model. The joint announcement, shared exclusively with Fortune, heralds an enhanced partnership between the two tech companies that will see them work on several future products, they said.

Exclusive: Replit taps OpenAI's low-cost Luna model for new 'Free Mode'

TL;DR

  • Replit debuted 'Free Mode,' powered by OpenAI's GPT-5.6 Luna model.
  • Free Mode is designed to add value to existing paid subscriptions ($20/month Core, $100/month Pro).
  • The feature allows users to perform tasks without consuming their subscription's limited AI token budget.
  • OpenAI recently reduced the cost of its GPT-5.6 Luna model by 80%, enabling Replit's offering.
  • This initiative reflects a broader industry trend of making AI products more affordable.
  • Replit and OpenAI have an established partnership, with plans for future joint product developments.
  • The companies share a vision of making powerful AI models accessible to a wider audience.