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GPT-5.5 price increase

·2026.04.24 03:31

Key point

GPT-5.5 is more expensive than GPT-5.4 but more intelligent and more token-efficient.

Details

GPT-5.5 will soon be added to the Responses and Chat Completions APIs, priced at $5 per 1 million input tokens and $30 per 1 million output tokens.

  • The context window is 1 million tokens.
  • Batch and Flex are 50% of the standard API rate.
  • Priority processing is 2.5x the standard rate.
  • A higher-accuracy GPT-5.5-pro is also available, priced at $30 input / $180 output.

OpenAI explained that GPT-5.5 is more intelligent than GPT-5.4 and is also more token-efficient.

For Codex, they stated they tuned it to deliver better results with fewer tokens than GPT-5.4 for most users, and that it provides ample usage across subscription tiers.

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