Claude 3 Opus
retiredAnthropic · Frontier
Original Claude 3 flagship. $15/$75 price point held through Opus 4/4.1 until the 67% cut with Opus 4.5.
Input / 1M
$15.00
Output / 1M
$75.00
Cached input / 1M
—
Context window
200K
Where it sits
728% above the frontier median
blended $/Mtok across 24 frontier models
Output costs 5× input
$15.00 in / $75.00 out per 1M
Held flat since launch (Mar 2024)
no blended price change recorded
Computed live from current prices and this model's history — not hand-written, so it stays accurate as prices move.
Price history
Only one price on record so far — the history chart appears once a price changes.
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 4 Mar 2024 | $15.00 | $75.00 | — | anthropic.com/pricing |