OpenAI Launches Cheaper GPT-6 Models Sol and Luna to Expand Market Access

On a Tuesday in late September 2026, OpenAI extended its GPT-6 family with two new models — Sol and Luna — priced below its flagship offering, a move that reflects a broader reckoning across the technology industry: that the most transformative tools only transform the world if enough people can afford to use them. By tiering its most advanced AI across multiple price points, OpenAI is making a quiet but consequential bet that breadth of access, not exclusivity of capability, is the more durable competitive position. The question history will answer is whether this expansion widens the circle