Every line, version by version
Sonnet 5 vs Claude Sonnet 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 |
|---|---|---|---|---|---|---|---|---|
Sonnet 5LatestCheapest 5 Price your own usage | Active | — | $2.00 | $10.00 | $0.200 | 1,000K | $6.00 | $7.00 |
Claude Sonnet 4.5 4.5 Listed in Anthropic's Legacy models section; superseded by Sonnet 5. Price your own usage | Legacy | — | $3.00 | $15.00 | $0.300 | 200K | $9.00 | $10.50 |
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We have not verified a score for this line yet — so we do not publish one.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.