Exclusive: Replit taps OpenAI's low-cost Luna model for new 'Free Mode'
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Replit launched Free Mode, a feature powered by OpenAI's GPT-5.6 Luna model, available to paid subscribers ($20–$100/month) to reduce token consumption on routine tasks. OpenAI cut Luna's API costs by 80% on July 30, enabling the partnership. The feature automatically routes complex requests to more powerful models then reverts to Luna, lowering costs for developers while expanding access to coding tools.