About GPT-5.4 (Fast)

GPT-5.4 (Fast) is a OpenAI model. On TeamoRouter its model ID is gpt-5.4 (fast), and the same TeamoRouter API key works for it and every other model. Setup steps are in the API docs.

Model ID

gpt-5.4 (fast)

Provider

OpenAI

Context window

1M tokens

Official list price

$5 input / $30 output per 1M tokens