Claude Opus 5 (Fast)

AnthropicReleased Jul 23, 2026KnowledgeMay 2026
Context
1M
Max output
n/a
Serving providers
1
Cheapest input
$10.00 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.

Pricing by serving provider

standard tier · per 1M tokens · click a provider to expand
Serving providerInput /1MOutput /1MEndpoints
OpenRouterRouted quote$10.00$50.001
EndpointStd inStd outCached inBatch in / outModel ID
StandardRouted quote$10.00$50.00$1.00—anthropic/claude-opus-5-fast

Price history

OpenRouter routed quote

OpenRouter's price is a routed quote. It moves with whichever upstream route OpenRouter prefers that day, so we do not track it as a price history.

Cost calculator

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$6,000
estimated / month

Model IDs

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anthropic/claude-opus-5-fast

Frequently asked questions

Claude Opus 5 (Fast) pricing, context and availability

How much does Claude Opus 5 (Fast) cost?

Claude Opus 5 (Fast) costs $10.00 per 1M input tokens as an OpenRouter routed quote, and $50.00 per 1M output tokens as an OpenRouter routed quote. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.

What is the context window of Claude Opus 5 (Fast)?

Claude Opus 5 (Fast) accepts up to 1M tokens of context.

Other Anthropic models

compare pricing across the Anthropic lineup
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Sep 1, 2026

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