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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 15 Oct 2026
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pricing changedabout-claude/pricing

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166166### Fast mode pricing
167167 
168[Fast mode](https://platform.claude.com/docs/en/build-with-claude/fast-mode), in research preview, provides significantly faster output for Claude Opus 5.5, Claude Opus 5, and Claude Opus 4.8 at premium pricing. Fast mode pricing applies across the full context window, including requests over 200k input tokens. Fast mode is available on the Claude API (first-party) only; it is not available on Claude Platform on AWS or partner-operated cloud platforms.
168[Fast mode](https://platform.claude.com/docs/en/build-with-claude/fast-mode) provides significantly faster output for Claude Opus 5.5, Claude Opus 5, and Claude Opus 4.8 at premium pricing. Fast mode for Claude Opus 5 and Claude Opus 4.8 is in research preview. Fast mode pricing applies across the full context window, including requests over 200k input tokens. Fast mode is available on the Claude API (first-party) only; it is not available on Claude Platform on AWS or partner-operated cloud platforms.
169169 
170170| Model | Input | Output |
171171| ------------------------------- | ---------- | ---------- |
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172172| Claude Opus 5.5 | $8 / MTok | $40 / MTok |
173173| Claude Opus 5 / Claude Opus 4.8 | $10 / MTok | $50 / MTok |
174174 
175Fast mode is not available on Claude Opus 4.7 (requests with `speed: "fast"` return an error) or Claude Opus 4.6 (requests run at standard speed and are billed at standard rates). See [Fast mode](https://platform.claude.com/docs/en/build-with-claude/fast-mode#supported-models).
175Fast mode is not available on Claude Opus 4.7 (requests with `speed: "fast"` return an error) or Claude Opus 4.6. See [Fast mode](https://platform.claude.com/docs/en/build-with-claude/fast-mode#supported-models).
176176 
177177Fast mode pricing stacks with other pricing modifiers:
178178 
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