GPT-5.4 mini API Pricing

OpenAI — current verified pricing, stamped 2026-08-06.

Input per 1M tokens$0.75
Output per 1M tokens$4.5
Cache read per 1M tokens
Statusactive
Sourceofficial pricing page · verified 2026-08-06

Migration target for gpt-3.5-turbo and gpt-5-mini.

Example costs

  • One request (2,000 in / 500 out): $0.0037
  • 100K such requests/month: $375
  • 1M input + 1M output tokens: $5.25

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