Fast-mode variant of [Opus 4.6](/anthropic/claude-opus-4.6) - identical capabilities with higher output speed at premium 6x pricing. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode
With CoreAI, you can start chatting with Anthropic: Claude Opus 4.6 (Fast) instantly — no separate subscription needed. CoreAI bundles access to Anthropic: Claude Opus 4.6 (Fast) along with 300+ other AI models from Anthropic and other providers like OpenAI, Anthropic, Google, Meta, and more.
Chat with Anthropic: Claude Opus 4.6 (Fast) and 300+ other AI models — all in one app.