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Anthropic

Claude Opus 5 (Fast)

Claude Opus 5 (Fast) runs Claude Opus 5 in Anthropic's fast mode, a request configuration that allocates more compute for quicker output. Identical model, identical quality, at premium pricing.

Input and output price
Input $10, Output $50, Per 1M tokens
24h uptime
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Base model
Get API keyRead the docs
import { streamText } from 'ai'


const result = streamText({
  model: 'anthropic/claude-opus-5-fast',
  prompt: 'Why is the sky blue?'
})
Read docs

Copy link to headingLatency

P50 time to first token (TTFT) on live AI Gateway traffic, in milliseconds. View the docs for more info.

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