claude-sonnet-4-6
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Anthropic model claude-sonnet-4-6. Prices are in US dollars per million tokens.
Current price, since 2026-03-13: input $3.00, output $15.00, cached input $0.30, cache write $3.75.
Matches Anthropic's pricing page, checked 2026-10-22 21:28 UTC.
Price a request with this model.
Standard price history#
| From | Input | Cached input | Cache write | Output | Longer prompts | Dated by | Source |
|---|---|---|---|---|---|---|---|
| 2026-03-13 | $3.00 | $0.30 | $3.75 | $15.00 | models.dev commit | link | |
| 2026-02-17, first record | $3.00 | $0.30 | $3.75 | $15.00 | above 200K: in $6.00, cached $0.60, write $7.50, out $22.50 | models.dev commit | link |
A blank cache price is charged at the input price. Longer prompts list the prices for requests whose whole prompt exceeds the size given.
import model_prices
model_prices.rates("claude-sonnet-4-6", provider="anthropic")