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GPT-5.4 Nano: price, context, what it takes

GPT-5.4 Nano from OpenAI, as OpenRouter's public list names it: openai/gpt-5.4-nano. Read 2026-11-06.

Prices are OpenRouter's, in US dollars. For most models that is the vendor's own list price; a vendor selling direct can differ.

The modelopenai/gpt-5.4-nano
  • Input, per 1M tokens$0.200
  • Output, per 1M tokens$1.25
  • Cached input, per 1M tokens$0.0200
  • Context window400,000 tokens
  • Longest answer128,000 tokens
  • Takesfiles, images, text
  • Givestext
  • Acceptsreasoning, JSON schema, tools
  • Released2026-03-17
  • In the list since2026-10-28
Price over time

One price since 2026-10-28, read 1 times.

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All modelsJSON