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>_ have you seen this? · July 31, 2026

OpenAI just cut GPT-5.6 Luna prices by 80%

Still budgeting for last month's AI prices? Have you seen this?

OpenAI dropped pricing on GPT-5.6: Terra is 20% cheaper and Luna—the smaller, cheaper model—got an 80% price cut. The changes hit both short and long context pricing immediately, no waiting period.

What this means for your business

If you're running GPT-5.6 in production, your monthly bill just shrank without you doing anything—go check your API costs today.

Read the source: Simon Willisonpricingopenaiapi-costs

Wondering how this applies to your workflow? That's a short conversation.

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