Anthropic

Claude Opus 4.5

Deep reasoning, long writing and agentic coding

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Hosted API

Input per 1M tokens

$5.00

Output per 1M tokens

$25.00

Context window

200K

Max output

Reasoning

9.6/10

Coding

9.6/10

Speed

90 tok/s

Overall

9.5/10

What it costs you a month

Change the numbers to match your workload. Cached input is billed lower where the maker offers it ( per million).

Monthly

$375.00

Yearly

$4500

Cheaper option

DeepSeek V3.2 does the same job for $12.18 a month — saving $362.82.