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Claude Sonnet 5

Also accepted:claude-sonnet-5anthropic/claude-sonnet-5
Anthropic
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Anthropic's Claude Sonnet 5 is a cost-efficient agentic model with strong coding, tool-use, and reasoning at the balanced Sonnet performance-cost tier, with a 1M-token context window.

Providers
Capabilities
Anthropic
anthropic-byok
$0
$0
$0
$0
Unavailable
OpenRouter
openrouter-byok
$0
$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 Sonnet 5 share card
Claude Sonnet 5
Anthropic upstream share card
Anthropic upstream
OpenRouter upstream share card
OpenRouter upstream
Credits
Use your own key

Run Claude Sonnet 5 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 output64,000 tokens
ArchitectureTransformer
Categorytext
ReleasedJun 30, 2026
Modalities
Capabilities
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