Which is cheaper, Gpt 5 4 Mini or Gpt 5 4 Nano?
Gpt 5 4 Mini lists at $0.75/M input; Gpt 5 4 Nano lists at $0.2/M input. Price spread matters at billion-token scale.
Gateway catalog snapshot.
Gpt 5 4 Nano is cheaper at $0.2/M input vs $0.75/M input for Gpt 5 4 Mini. Compare context, hosts, and o10 routing bands.
Last updated: 2026-06-27. Full catalog. Reference prices are dated snapshots. Compare total cost and measured task quality before choosing a route.
Gpt 5 4 Mini vs Gpt 5 4 Nano. Price, context, routing
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AnswersSelf-contained
How do Gpt 5 4 Mini and Gpt 5 4 Nano context windows compare?
Gpt 5 4 Mini: 400,000 tokens. Gpt 5 4 Nano: 400,000 tokens.
When should you pick Gpt 5 4 Mini over Gpt 5 4 Nano?
Pick Gpt 5 4 Mini (band C0) when evals need that class. Pick Gpt 5 4 Nano (band C0) when it clears the same floor cheaper.
01Deep dive
Comparison summary
Gpt 5 4 Nano is cheaper at $0.2/M input vs $0.75/M input for Gpt 5 4 Mini. Compare context, hosts, and o10 routing bands.
Gpt 5 4 Nano is cheaper at $0.2/M input vs $0.75/M input for Gpt 5 4 Mini. Compare context, hosts, and o10 routing bands.
SourceMethodology
o10 gateway + fulfillment catalog snapshot.
FAQFrequently asked questions
Common questions
Which is cheaper, Gpt 5 4 Mini or Gpt 5 4 Nano?
Gpt 5 4 Nano at $0.2/M input vs $0.75/M for Gpt 5 4 Mini.
Can you run both on the same hosts?
Gpt 5 4 Mini: OpenAI. Gpt 5 4 Nano: OpenAI.