OpenAI cuts GPT-5.6 Terra and Luna prices, OpenRouter stacks 50% on top
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- x.com
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GPT-5.6 Terra and Luna just got price cuts from @OpenAI. OpenRouter is cheaper still. Our 50% exclusive discount applies on top, bringing Luna to $0.1/M in $0.6/M out and Terra to $1/M in and $6/M out. Scale your workloads with luna: https://t.co/9cuXmJu4g6
And read more from OpenAI: https://t.co/nZGcQC0W73
Context
OpenRouter's July 30 post combined price cuts from OpenAI with an additional 50% platform discount it called exclusive. Its announcement listed GPT-5.6 Luna at $0.10 per million input and $0.60 per million output tokens, and Terra at $1 and $6 respectively. Those were promotional rates: the company's later retrospective describes a discount program that ran July 27 to August 14. The historical offer should therefore be distinguished from a standing price commitment.
- token — The chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.
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