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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

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Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.

Provider
Context
Max Output
Latency
Throughput
Input
Output
Cache
Web Search
Capabilities
ZDR
No Training
Regional Inference
Free Tier
Release Date
Anthropic
Legal:Terms•Privacy
1M128K
1.6 s
205 tps
$10/M+1 more
$50/M+1 more
Read:$0.50/M+1 more
Write:$6.25/M+2 more
$10/K
+ input costs
+3
US
07/24/2026

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