Anthropic · LLM API Modelactive

Claude Opus 4.5

Claude Opus 4.5 costs $5.00 per 1M input tokens, $0.50 cached input and $25.00 per 1M output tokens. Batch API: $2.50 input, $12.50 output.

Updated September 21, 2026
Input / 1M
$5.00
Output / 1M
$25.00
Cached Input
$0.50
Context Window
200K
Standard Input
$5.00 / 1M
Base prompt input rate
Standard Output
$25.00 / 1M
Completion output rate
Prompt Caching -90%
$0.50 / 1M
Cached prompt context
Batch API -50%
$2.50 / 1M
Asynchronous batch jobs

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Model pricing

All rates listed in USD per 1 Million (1M) tokens unless noted

Standard
Pricing Metric / Parameter
Standard RATE
(per 1M)
Base input tokens$5 / MTok
5m cache writes$6.25 / MTok
1h cache writes$10 / MTok
Cache hits and refreshes$0.50 / MTok
Output tokens$25 / MTok

Batch processing

All rates listed in USD per 1 Million (1M) tokens unless noted

Standard
Pricing Metric / Parameter
Standard RATE
(per 1M)
Batch input$2.50 / MTok
Batch output$12.50 / MTok

Source: Anthropic official pricing page, verified 2026-09-21. Prices in USD per 1M tokens.

AI / LLM
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