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POST
GPT-5.4
Use gpt-5.4 for OpenAI-compatible chat and streaming workloads. The same model ID also works with SnapGen’s Responses, Anthropic Messages, and Gemini native compatibility routes.
string
required
Set to gpt-5.4.
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

Billing uses the normalized input and output token counts returned by the gateway. Confirm live rates on the models page.