Anthropic

Claude Opus 5 API cost calculator

Anthropic's advanced Claude model for complex reasoning and agentic production workloads.

Model ID
claude-opus-5
Effective
2026-07-31
Checked
2026-07-31
Pricing verified against the official source on Jul 31, 2026.

Usage

Describe your workload

USD per 1M tokens
Input
$5.00
Cached
$0.5
Output
$25.00

Estimated cost

Verified
$133.80per month
Per request$0.0446
Per day$4.46

Monthly breakdown

Standard input$42.00
Cached input$1.80
Output$90.00

Excludes platform fees, taxes, tools, storage, and provider-specific tier rules.

How the estimate is calculated

Standard input tokens are billed at $5.00 per million, cached input at $0.50 per million, and output tokens at $25.00 per million.

monthly cost = 30 × requests/day × (input cost + cached input cost + output cost)

What this estimate excludes

Provider account tiers, regional taxes, tool calls, storage, fine-tuning, data transfer, and other product-specific charges are excluded unless explicitly represented in the calculator.

Pricing notes

  • Cached input represents a cache read; 5-minute and 1-hour cache writes cost $6.25 and $10 per million tokens.
  • Fast mode, Batch discounts, US-only inference surcharges, and third-party cloud premiums are excluded.