Models / anthropic
claude-opus-5 pricing
Input
$5
per 1M tokens
Output
$25
per 1M tokens
100k calls / month*
$1,350
*1,200 in / 300 out avg tokens
provider list price · as of 2026-07-28 · source: the same table ReasonRank uses in production
How much does claude-opus-5 cost per million tokens?
claude-opus-5 costs $5 per million input tokens and $25 per million output tokens (list price, as of 2026-07-28).
What does claude-opus-5 cost at 100k calls a month?
At 100,000 calls/month averaging 1,200 input and 300 output tokens, claude-opus-5 costs about $1,350/month at list prices.
Is a cheaper model good enough to replace claude-opus-5?
Price tables can’t answer that — it depends on your workload. ReasonRank tests candidate models on your own cases with a statistical non-inferiority gate, then verifies savings on live traffic.
Wondering if claude-opus-5 is over- or under-powered for your workload? Estimate with the free calculator, see what a verified switch decision looks like, or test it on your own cases — ReasonRank verifies the answer with a statistical gate, for cents.