Claude 5.5 Sonnet tier, faster and cheaper per task than Sonnet 5 at the same $2/$10 price.
Released
Sep 28, 2026
Context window
1M tokens
Max output
128K tokens
Parameters
Not disclosed
Input price
$2.00 per 1M
Output price
$10.00 per 1M
Prices are first-party list prices in USD at the standard tier. Last verified Oct 30, 2026.
Pricing
Launch priceSep 28, 2026
$2.00 in / $10.00 out
Current price
since Oct 7, 2026
$2.00 in / $10.00 out
Cached input $0.10 per 1M
| Tier | Effective | Input | Output | Cached |
|---|---|---|---|---|
| Standard | Sep 28, 2026 – Oct 7, 2026 | $2.00 | $10.00 | $0.20 |
| Standard | Oct 7, 2026 – now | $2.00 | $10.00 | $0.10 |
| Batch | Sep 28, 2026 – now | $1.00 | $5.00 | - |