Search models, providers, and docs
GPT 5.4 Mini (Fast) is available from 1 provider. The lowest input price is $1.5 per million tokens from Vercel AI Gateway. It supports up to 400K tokens of context.
| Vercel AI Gateway | openai/gpt-5.4-mini-fast | $1.5 | $9 | $0.15 | 400K | 128K |