How much does Claude Opus 5.5 cost?
Claude Opus 5.5 (Anthropic) costs $4 per 1M input tokens and $20 per 1M output tokens, $0.2 cached input. Calculate your cost per request, day and month.
| Provider | Anthropic |
| Input | $4 / 1M tokens |
| Output | $20 / 1M tokens |
| Cached input | $0.2 / 1M tokens |
| Context window | 1M |
| Notes | Cached = cache hits. Cache writes cost extra ($5 5-min). |
| Source | https://docs.anthropic.com/en/docs/about-claude/pricing |
| Last verified | 2026-10-14 |
Example: a chatbot
1,500 input + 400 output tokens per request, 2,000 requests/day, no caching: $0.01 per request, $28.00 per day, $840.00 per month (30 days).
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