Anthropic › Claude Opus 4.5 › Pricing

Claude Opus 4.5 pricing

API list price by Anthropic · same on Amazon Bedrock, Azure, Claude Platform on AWS · checked Oct 23, 2026
Benchmarks and alternatives →
$5 / $25per 1M tokens in / out
$0.50cache read · −90%
$2.50 / $12.50batch · −50%
#205on OpenRouter by tokens · 9B / week

Price sheetper 1M tokens

Input$5list
Output$25
Cache read$0.50−90% vs input
Cache write · 5 min$6.25+25% vs input
Cache write · 1 h$10+100% vs input
Batch input$2.50−50%
Batch output$12.50−50%
Context · max output200K · 64Ktokens

Where to buy5 providers · per 1M tokens

ProviderInputOutputContext
Amazon Bedrock$5$25200K
Anthropiclab$5$25200K
Azure$5$25200K
Claude Platform on AWS$5$25200K
Google$5$25200K

In Anthropic's line-upper 1M in / out

Claude Haiku 5.5$0.10 / $0.50−98%
Claude Sonnet 5.5$2 / $10−60%
Claude Opus 5.5$4 / $20−20%
Claude Opus 4.5$5 / $25this model
Claude Fable 5.1$10 / $502×
Claude Mythos 5$10 / $502×
Claude Mythos 5.1$10 / $502×
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All Claude API prices →

Cheaper for the same workvs Opus 4.5

Claude Opus 5.5 max-20%score ×2.4$5.98
Claude Sonnet 5.5 max-60%score ×2.4$5.46
Gemini 4 Argon high-60%score ×2.2$1.99
Muse Wonder max-20%score ×2.2$4.52
GPT-6.1 Sol max-60%score ×2.2$0.72
All alternatives and what breaks when you switch →

Pricing questions

How much does Claude Opus 4.5 cost?›

$5 per 1M input tokens and $25 per 1M output tokens on Anthropic's API and Amazon Bedrock, Azure, Claude Platform on AWS. Cached input is $0.50. Batch requests cost $2.50 / $12.50.

Is Claude Opus 4.5 free to use?›

There is no free API tier.

How much does prompt caching save?›

Cache reads cost $0.50 per 1M, 90% below the input price. Writing to the cache costs $6.25 per 1M (5m TTL).

What is a cheaper alternative to Claude Opus 4.5?›

Claude Opus 5.5 at max effort costs -20% per task with a score ×2.4 on Humanity's Last Exam.