Claude Sonnet 4
retiredAnthropic · Released May 2025
Original Claude 4 Sonnet. Same $3/$15 pricing carried through all subsequent Sonnet 4.x releases.
- Strengths
- Set the Sonnet price point that held across the whole 4.x line.
- Best for
- Legacy Sonnet integrations.
- Limitations
- Older generation; newer Sonnets are better at the same price.
Input / 1M
$3.00
Output / 1M
$15.00
Cached input / 1M
$0.3
Context window
200K
Price history
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 22 May 2025 | $3.00 | $15.00 | $0.3 | anthropic.com/pricing |