GPT-5.4 Nano
GPT-5.4 Nano by OpenAI: intelligence index 58.6, $0.20 in / $1.25 out per 1M tokens, 400K context, with a source on every number.
- Vendor
- OpenAI
- Intelligence index
- 58.6
- Price per 1M tokens
- $0.20 in · $1.25 out
- Context
- 400K tokens
- Released
- 2026-03-17