Skip to content
AnyRouter

Claude Sonnet 4

Also accepted:claude-sonnet-4claude-sonnet-4-0anthropic/claude-sonnet-4-0claude-sonnet-4-20250514anthropic/claude-sonnet-4-20250514
Anthropic
Try in playgroundCompare

Anthropic's Claude Sonnet 4, a versatile model combining strong reasoning, coding proficiency, and broad instruction-following capabilities.

Providers
Capabilities
OpenRouter
openrouter-byok
$0
$0
$0
Unavailable
OpenCode Zen
opencode-zen-byok
$0
$0
$0
Unavailable
Cline
cline-byok
$0
$0
—
Unavailable
Usage analytics

Loading usage…

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 4 share card
Claude Sonnet 4
OpenRouter upstream share card
OpenRouter upstream
OpenCode Zen upstream share card
OpenCode Zen upstream
Cline upstream share card
Cline upstream
Credits
Use your own key

Run Claude Sonnet 4 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
ReleasedMay 22, 2025
Modalities
Capabilities
Back to models