AnthropicAnthropic

Claude Opus 5 (Fast)

Opus 5 tuned for latency

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.

Try Claude Opus 5 (Fast)

Specifications

Context window1M tokens
Input price$10.00 / 1M tokens
Output price$50.00 / 1M tokens
Credits per query5 cr
Released2026-07
LicenseProprietary

Features

VisionTool useJSON modeReasoning