Claude Sonnet 4
Last verified September 7, 2026 · Anthropic pricing ↗$3.00/1M input · $15.00/1M output · 200K context · Anthropic
Retired
Not generally available
Anthropic has shut Claude Sonnet 4 down. You cannot buy it at the rate below. The price is kept so past spend and old estimates still reconcile, and it is excluded from the calculator’s default model list and from every ranking.
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Alternatives to Claude Sonnet 4
Pricing Details
AnthropicOriginal Claude 4 Sonnet (claude-sonnet-4-20250514). Deprecated Apr 14, 2026; retired June 15, 2026 on the Claude API. Recommended replacement: Claude Sonnet 4.6 at the same $3/$15.
Input / 1M tokens
$3
Output / 1M tokens
$15
Context Window
200K
Max Output
64K
Price History
No price change recorded since 2026-07-24, when this site started tracking this model.
Frequently Asked Questions
Common questions about Claude Sonnet 4 pricing and usage
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