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GPT-5.6 Luna

Maker: OpenAI · reasoning

The cheapest tier of the GPT-5.6 generation, meant for cost-sensitive workloads, with the same 1.05M-token context window.

Understands

text, images

Produces

text, code

Contents verified with the vendor: 2026-08-18

Included in subscriptions

No catalogue entry marks this model as part of a plan yet. It will appear here once the plan contents are confirmed with the vendor.