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Claude Sonnet 4
anthropic/claude-sonnet-4anthropic
Balanced intelligence and speed; a workhorse for coding and agents.
Context
200,000
≈ 200K
Max output
64K
64,000
Price ($/1M tokens)
$3.00 / $15.00
input / output · per 1M tokens
Specs
Input
TextImage
Output
Text
Reasoning
Yes
Tool call
Yes
Structured
Yes
Weights
Unknown
Released
2025-05-22
Free on relays
3
