Every line, version by version
Claude Opus 4.8 vs Claude Opus 4.5: prices per token, context window, benchmark scores, and what changed between the two versions.
Prices are read live from the provider pricing pages, so this table cannot go stale.
| Version | Status | Released | Input | Output | Cached | Context | Blended /1M | Sample /mo |
|---|---|---|---|---|---|---|---|---|
Claude Opus 4.8 4.8 Listed in Anthropic's Legacy models section; superseded by Opus 5.5. Price your own usage | Legacy | — | $5.00 | $25.00 | $0.500 | 200K | $15.00 | $17.50 |
Claude Opus 4.5 4.5 Listed in Anthropic's Legacy models section; superseded by Opus 5.5. Price your own usage | Legacy | — | $5.00 | $25.00 | $0.500 | 200K | $15.00 | $17.50 |
Sample cost = 1M input + 500K output tokens per month at list price. A model with a long-context band is priced on that band — the rule is printed in the row. Use the calculator below for your own workload.
We have not verified a score for this line yet — so we do not publish one. Numbers we cannot trace do not belong on this site.
Adjust the monthly volume — every version of the line recomputes instantly.
List price only: cached input, batch discounts and off-peak rates are not included. The sample column prices 1M input + 500K output tokens per month.