Claude Sonnet 4

Retired

anthropic/claude-sonnet-4-20250514

Balanced Claude model for coding, analysis, agent workflows, and cost control

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Context window: 200K
Input: Document · Image · Text
Output: Text
Released: 2025-05-22

Max output: 64K
Knowledge cutoff: 2025-03-31
Weights: Closed
Capabilities: Attachments, Reasoning, Temperature, Tool call

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Aider Polyglot	Coding	Aider	—
SWE-Bench Pro	Coding	Scale AI	—
Aider Polyglot	Coding	Aider	—

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ModelRegistry · Catalog updated 2026-10-01