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Models · OpenAI

Feature-frozen. The creator has frozen feature development on this model (critical fixes only).

GPT-4.1 Nano

Model family: gpt-4-1

GPT-4.1 Nano — an ultra-cheap text tier (~$0.10/$0.40) for simple high-volume tasks.

Identity

Creator
OpenAI
Model family
gpt-4-1
Release date
2025-04-13

Technical specs

Parameter count
An ultra-cheap text tier (~$0.10 input / $0.40 output per 1M), competitive with the cheapest models for simple high-volume work.
Context window
1M tokens
Modalities
  • Text
Primary capabilities
  • Chat
  • Classification
  • Instruction Following

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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