Claude Opus 4 pricing

Claude Opus 4 from Anthropic costs $15.00 per 1M input tokens and $75.00 per 1M output tokens. Cached input is $1.50 per 1M. Context window 200,000 tokens.

API id claude-opus-4 · Anthropic · source · updated 2026-08-11

$15.00
Input / 1M tokens
$75.00
Output / 1M tokens
$1.50
Cached input / 1M
200K
Context window

What Claude Opus 4 costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.05
Document summary50,0002,000$0.90
1M tokens in, 200K out1,000,000200,000$30.00

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 Opus 4 cost per 1M tokens?
Claude Opus 4 costs $15.00 per 1M input tokens and $75.00 per 1M output tokens on the standard tier. Cached input is $1.50 per 1M.
What is Claude Opus 4's context window?
Claude Opus 4 accepts up to 200,000 tokens in a single request, and can return up to 32,000 output tokens.
Is there a cheaper Claude model than Claude Opus 4?
Yes. Claude Haiku 3.5 is $0.800 per 1M input tokens versus $15.00 for Claude Opus 4.
Where does this Claude Opus 4 price come from?
Directly from Anthropic's published pricing page, re-read every day and normalized to USD per 1,000,000 tokens.

Other Claude models

See all Claude pricing →