lmprices

AnthropicClaude Opus 4.1 API pricing

Claude Opus 4.1 was retired on . Its last price was $15.00 per 1M input tokens and $75.00 per 1M output tokens.

Last price

Rates in effect since (launch price). Every price links to its source.

Input
$15.00
Output
$75.00
Blended 3:1
$30.00
Claude Opus 4.1 last rates per 1M tokens
RatePer 1M tokens
Standard
Input$15.00
Cached input$1.50
Cache write (5 min)$18.75
Cache write (1 hour)$30.00
Output$75.00
Batch
Input$7.50
Output$37.50

Launch price

Claude Opus 4.1 launched at this price on .

Input
$15.00
Output
$75.00
Blended 3:1
$30.00

Every price event

1 verified event, newest first. No price moves. Documented since .

  1. Launch price ·

    Rates from August 5, 2025
    RatePer 1M tokens
    Standard
    Input$15.00
    Cached input$1.50
    Cache write (5 min)$18.75
    Cache write (1 hour)$30.00
    Output$75.00
    Batch
    Input$7.50
    Output$37.50

    Columns on the 2025 docs page: Base Input Tokens | 5m Cache Writes | 1h Cache Writes | Cache Hits & Refreshes | Output Tokens. The capture (2025-08-06 01:46 UTC) is launch day in US Pacific time.

Gaps in this history

None for standard pricing. The price was unchanged from launch to retirement.

API ids

Checked .