Claude Sonnet 5 pricing

Claude Sonnet 5 from Anthropic costs $2.00 per 1M input tokens and $10.00 per 1M output tokens. Cached input is $0.200 per 1M. Context window 1,000,000 tokens.

API id claude-sonnet-5 · Anthropic · source · updated 2026-08-11

$2.00
Input / 1M tokens
$10.00
Output / 1M tokens
$0.200
Cached input / 1M
1M
Context window

What Claude Sonnet 5 costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.0070
Document summary50,0002,000$0.12
1M tokens in, 200K out1,000,000200,000$4.00

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Common questions

How much does Claude Sonnet 5 cost per 1M tokens?
Claude Sonnet 5 costs $2.00 per 1M input tokens and $10.00 per 1M output tokens on the standard tier. Cached input is $0.200 per 1M.
What is Claude Sonnet 5's context window?
Claude Sonnet 5 accepts up to 1,000,000 tokens in a single request, and can return up to 128,000 output tokens.
Is there a cheaper Claude model than Claude Sonnet 5?
Yes. Claude Haiku 3.5 is $0.800 per 1M input tokens versus $2.00 for Claude Sonnet 5.
Where does this Claude Sonnet 5 price come from?
Directly from Anthropic's published pricing page, re-read every day and normalized to USD per 1,000,000 tokens.

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