# Claude Opus 5.5 Fast Mode Pricing: $8/$40 per MTok

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## Article Metadata
- Title: Claude Opus 5.5 Fast Mode Pricing: $8/$40 per MTok
- Summary: Opus 5.5 fast mode is out of preview at $8/$40 per million tokens. When the 2x premium pays, what it excludes, and how cache misses and rate limits bite.
- Published: Oct 18, 2026, 11:18 AM EDT
- Updated: Oct 18, 2026, 11:18 AM EDT
- Category: Research
- Primary topic: Claude Opus 5 5
- Authors: Maya Rao
- Read time: 4 min
- Language: en_US
- Publication time zone: America/New_York (U.S. Eastern Time)
- Access: Free to read

## Topic Links
- [Research](https://threatfrontier.com/categories/research): Category archive for related coverage.
- [Claude Opus 5 5](https://threatfrontier.com/tags/claude-opus-5-5): 2 public articles in this topic.

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