OpenAI: GPT-5.6 Luna price cut 80% and GPT-5.6 Terra price cut 20%.
| Product | OpenAI API (GPT-5.6 Luna/Terra) |
|---|---|
| Category | pricing |
| Announced / detected | 2026-07-30 |
| Effective | 2026-07-30 |
| Before | Prior list price (not restated in the entry) |
| After | Luna: 80% lower; Terra: 20% lower |
| Official source | https://platform.openai.com/docs/changelog |
| Source quote | Starting July 30, GPT-5.6 Luna costs 80% less, while GPT-5.6 Terra costs 20% less. |
| Archive | No post-change Wayback capture found |
| Snapshot hash | sha256:fdd795b8161cf6be325740e2523291f43a334ec87f6ee952114f7c455c926394 |
| Status | verified |