prices synced 2026-09-28

Claude Sonnet 5.5

Anthropic · Multimodal · Released Sep 2026

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Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fixing bugs, and producing...

Input / 1M

$2.00

Output / 1M

$10.00

Cached input / 1M

$0.2

Context window

1M

Also billed

Cache write
$2.50 / 1M

Price history

Price per 1M tokens over timeOutput $10.00; Input $2.00 as of Sep 2026.$0$2.00$4.00$6.00$8.00$10.00Output on 28 Sep 2026: $10.00Out $10.00Input on 28 Sep 2026: $2.00In $2.00Sep 2026

Snapshots

Effective Input Output Cached in Note Source
28 Sep 2026 $2.00 $10.00 $0.2 Imported from OpenRouter openrouter.ai

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