OpenAI launches GPT-6 Sol and Luna with 50% lower API prices
Original titleGPT-6 Luna is half the price of 5.6 Luna, which was already an astonishingly cheap model given how capable it is
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OpenAI introduced GPT-6 Sol and GPT-6 Luna, which build on advances behind GPT-6 Astra. The company says it cut API prices 50% for Sol and Luna compared with GPT-5.6 promotional pricing, passing on caching and inference efficiency gains.
Simon Willison notes GPT-6 Luna costs half of GPT-5.6 Luna and calls Luna his favorite model for building product features because of its cost and speed.
Source: Simon Willison · x.comPublished · added here