GPT-5.6 Terra

Middle tier of the GPT-5.6 generation with the same 1.05M-token context, balancing intelligence and cost. OpenAI states its performance is competitive with GPT-5.5 at a lower price.

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.