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gpt-5.4 API pricing & access
gpt-5.4 API pricing: Dynamic usage-based pricing. Compare supported endpoints, capabilities and access options on New API.
gpt-5.4 API access
Compare supported API endpoints and capabilities, then access gpt-5.4 through the unified API gateway.
- Supported APIs
- OpenAI Chat Completions API
- API endpoints
- POST /v1/chat/completions
gpt-5.4 API pricing
- Billing model
- Dynamic usage-based pricing
The final API price depends on the matched usage tier, request parameters and access group. Open the live pricing page for the current calculation.