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AnyRouter

Claude Opus 5 Fast

Anthropic
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Fast-mode variant of Claude Opus 5 with the same capabilities and a 1,000,000-token context window, tuned for higher output speed.

Providers
Capabilities
OpenRouter
openrouter-byok
$0
$0
Unavailable
Usage analytics

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API & code
Uptime & Health
No uptime data yet

These providers haven't been health-probed for this model yet. The router still routes around upstreams that fail live requests — uptime fills in once probe history accrues.

Share cards
Claude Opus 5 Fast share card
Claude Opus 5 Fast
OpenRouter upstream share card
OpenRouter upstream
Credits
Use your own key

Run Claude Opus 5 Fast on your own key — your requests are billed by the provider. Pool callers pay AnyRouter credits.

No BYOK keys configured for this model yet.

Share a key with the pool to earn credits for every request it serves, covering your plan cost.

Text generation
Context length1,000,000 tokens
Max output128,000 tokens
ArchitectureTransformer
Categorytext
ReleasedJul 24, 2026
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