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Models · OpenAI

GPT-5.4 Mini

Model family: gpt-5-4

GPT-5.4 Mini — a cheap, fast closed tier (~$0.75/$4.50) for routed production traffic.

Identity

Creator
OpenAI
Model family
gpt-5-4
Release date
2026-02-14

Technical specs

Parameter count
A cheaper, faster GPT-5.4 tier (~$0.75 input / $4.50 output per 1M). Outperforms GPT-4 Turbo at a fraction of the cost.
Context window
400K tokens
Modalities
  • Image Input
  • Text
Primary capabilities
  • Chat
  • Coding
  • Instruction Following
  • Reasoning
  • Tool Use
  • Vision

License

License
OpenAI API Terms of Use
Commercial use
  • Allowed
Terms
  • Modification
  • Redistribution
  • Attribution

Access

Openness
  • Closed Api
Access methods
  • Api First Party
  • Api Third Party
  • Hosted Chat Ui
Cost tier
  • Paid Api

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