Greg Brockman
OpenAI is working hard to empower everyone with intelligence that works for them, in the form of great products which get simpler to use over time. We're bringing unlimited text chats with Luna, a quite capable model, to free users. We've also released an updated version of Sol
OpenAI
We’re making better intelligence easier to access in ChatGPT for everyone: - GPT-5.6 Sol now powers both Instant and deep reasoning for Plus & Pro users, delivering more factual, focused responses. - Free & Go users get unlimited text chats with GPT-5.6 Luna starting tomorrow.