Claude Sonnet 5.5 pricing
Official Anthropic API rates for Claude Sonnet 5.5, in USD per 1M tokens. Checked against the provider's pricing page on 2026-11-01.
| Input tokens | $2.00 / 1M |
|---|---|
| Output tokens | $10.00 / 1M |
| Cached input tokens | $0.10 / 1M |
| Provider | Anthropic |
| Model ID | claude-sonnet-5.5 |
Standard API pricing from Anthropic's official Claude Platform pricing page. Batch API is 50% cheaper.
What Claude Sonnet 5.5 costs per month
Worked examples at the standard rates above. Run your own numbers in the
pricing calculator, where
Claude Sonnet 5.5 is compared against every other model we track.
Workload Input cost Output cost Total Side project — 10M input / 1M output $20.00 $10.00 $30.00 Busy chatbot — 100M input / 20M output $200.00 $200.00 $400.00 Heavy pipeline — 1B input / 200M output $2,000.00 $2,000.00 $4,000.00
Source
Prices copied from the provider's official pricing page:
https://platform.claude.com/docs/en/about-claude/pricing
(last checked 2026-11-01). Provider prices change without notice;
if the page above shows different numbers, the provider's page wins.