Claude Opus 4.6
legacyAnthropic · Released Feb 2026
First Opus with a 1M context window at standard pricing. Same $5/$25 as Opus 4.5.
- Strengths
- First Opus with a 1M-token window, at the post-cut Opus price.
- Best for
- Long-context Opus work where the newest releases aren't required.
- Limitations
- Older Opus generation; later versions improve quality at the same price.
Input / 1M
$5.00
Output / 1M
$25.00
Cached input / 1M
$0.5
Context window
1M
Price history
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 5 Feb 2026 | $5.00 | $25.00 | $0.5 | anthropic.com/pricing |