claude-opus-4-1
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Anthropic model claude-opus-4-1. Prices are in US dollars per million tokens.
Current price, since 2025-08-05: input $15.00, output $75.00, cached input $1.50, cache write $18.75.
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 |
|---|---|---|---|---|---|---|---|
| 2025-08-05, first record | $15.00 | $1.50 | $18.75 | $75.00 | 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-opus-4-1", provider="anthropic")