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POST
GPT-5.6
gpt-5.6 is the standard GPT-5.6 route. It supports the same four text protocol surfaces as the rest of the live GPT catalog.
string
required
Set to gpt-5.6.
array
required
Ordered system, user, and assistant messages.
boolean
default:"false"
Set to true to receive server-sent events.

Request

Read generated text from choices[0].message.content. See Chat Completions protocol for streaming and response fields.

Compatible protocol paths

Use the exact model ID shown here. gpt-5.6, gpt-5.6-luna, gpt-5.6-sol, and gpt-5.6-terra are separate billable routes.