GPT-5.6 Luna Price Slashed by 80% as OpenAI Sparks API Price War

sama · x · 2026-07-31

Sam Altman announced major price cuts for OpenAI models: GPT-5.6 Luna drops by 80% to $0.20 per million input tokens and $1.20 per million output tokens, while GPT-5.6 Terra drops by 20% to $2/$12. Additionally, GPT-5.6 Sol gets a Fast mode in the API, delivering up to 2.5x the speed for 2x the price while maintaining the same intelligence level.

Related event: OpenAI Slashes GPT-5.6 API Prices, Luna Down 80%(16 posts)→

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