Claude Opus 5 (Fast)
Claude Opus 5 (Fast) is a text model from Anthropic, with a 1M-token context window, priced at $10.00 in · $50.00 out / 1M. On Fully Informed you can add Claude Opus 5 (Fast) to a multi-model panel, where it answers independently, debates the other models and gets cross-checked for blind spots.
Vendor AnthropicType Text1M contextPrice $10.00 in · $50.00 out / 1M
Put Claude Opus 5 (Fast) on the panel →
Fast-mode variant of [Opus 5](/anthropic/claude-opus-5) - identical capabilities with higher output speed at 2x pricing relative to regular Opus 5.
Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode
Related text models
Anthropic: Claude 3 Haiku$0.25 in · $1.25 out / 1MAnthropic: Claude Fable 5$10.00 in · $50.00 out / 1MAnthropic: Claude Fable Latest$10.00 in · $50.00 out / 1MAnthropic Claude Haiku Latest$1.00 in · $5.00 out / 1MAnthropic: Claude Opus Latest$5.00 in · $25.00 out / 1MAnthropic Claude Sonnet Latest$2.00 in · $10.00 out / 1MFAQ
- What is Claude Opus 5 (Fast)?
- Fast-mode variant of [Opus 5](/anthropic/claude-opus-5) - identical capabilities with higher output speed at 2x pricing relative to regular Opus 5. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode
- What is the context window of Claude Opus 5 (Fast)?
- Claude Opus 5 (Fast) supports a 1M-token context window.
- How much does Claude Opus 5 (Fast) cost?
- Claude Opus 5 (Fast) is priced at $10.00 in · $50.00 out / 1M via OpenRouter.
- What are alternatives to Claude Opus 5 (Fast)?
- Comparable text models include Anthropic: Claude 3 Haiku, Anthropic: Claude Fable 5, Anthropic: Claude Fable Latest, Anthropic Claude Haiku Latest.
Model data via OpenRouter. Browse all models · Run a panel on Fully Informed