GPT-5.6 Luna

GPT-5.6 Luna by OpenAI. Compare the available delivery tiers, prices and capabilities below.

DELIVERY NOTES

Native · First-party infrastructure

Delivered on first-party provider infrastructure. Returns an error when unavailable; no cross-tier downgrade.

Standard OpenAI API text rates. Long-context rates apply above 272K input tokens.

Cross-tier fallback is off by default. The Core recommendation does not override your selection.

NativeStandard text cost example

For 1M input + 1M output tokens

Native baseline$1.40

Your selection · Native$1.40

Compared at identical usage. Excludes caching, long context and special charges.

The Native card uses the provider’s public API rate to compare UOUO delivery tiers. A key action appears only after a Native route is available here.