OpenAI has introduced the updated GPT-6 Sol and Luna models, offering reduced costs and improved accuracy, following the ...

OpenAI is widening access to its latest AI capabilities with two lower-cost models, targeting professionals, developers and businesses that need stronger performance without higher computing costs.

You'd be forgiven for thinking OpenAI was watching the clock. Just 90 minutes after Anthropic rolled out an upgraded Opus 5.5 ...

OpenAI has expanded its GPT-6 model family with GPT-6 Sol and GPT-6 Luna, introducing two lower-cost reasoning models aimed ...

Sol' and 'GPT-6 Luna.' Following the launch of its flagship model, 'GPT-6 Astra,' earlier this month, these models refresh the mid-tier and lightweight offerings with a focus on cost-efficiency. Both ...

OpenAI launches GPT-6 Sol and Luna with 50% lower API prices, putting cost, caching and agent economics at the center of the ...

OpenAI has announced new GPT-6 Sol and Luna models that are faster, more accurate, and 50% cheaper to use than GPT-5.6 Sol and Luna models.

OpenAI's GPT-6 Sol and Luna cut API prices 50% and beat Claude Opus 5 on AutomationBench at about 9% of its cost per task ...

Written based on official OpenAI documentation as of September 23, 2026. Model availability and settings may vary depending ...

OpenAI has released two new models for different needs. ChatGPT-maker OpenAI has now introduced GPT-6 Sol and GPT-6 Luna ...

OpenAI has lowered GPT-6 Sol and Luna API prices, following earlier reductions that the company linked to higher usage.

OpenAI has expanded its GPT-6 lineup with two new models, Sol and Luna, offering lower-cost alternatives to its flagship ...