Anthropic
Claude Sonnet 5.5 Pricing
Input, per 1M tokens$2
Output, per 1M tokens$10
Checked Nov 9, 2026docs.anthropic.com
Readings
| Date | Status | In / out per 1M |
|---|---|---|
| Nov 9, 2026 | Observed | $2 / $10 |
Get an email the day Claude Sonnet 5.5 changes its price
Questions
How much does Claude Sonnet 5.5 cost
Claude Sonnet 5.5 lists $2 per 1M input tokens and $10 per 1M output tokens, checked Nov 9, 2026 on docs.anthropic.com.
When did Claude Sonnet 5.5 last change its price
Oct 7, 2026: Claude Sonnet 5.5 cache reads cut 50 percent to $0.10 per 1M.
Source: anthropic.com, read Nov 9, 2026.