GPT-5.4 Pro from OpenAI. Proprietary API model. 1.1M context. $30.0/$180.0 per 1M tokens.
Training data policy: API data not used for training by default (opt-out / ZDR available)
DPDP Act (India): No India-resident inference by default. Use DPA + region controls.
Data residency: US, EU
API available globally