How much does Claude Fable 5.1 cost?
Claude Fable 5.1 (Anthropic) costs $10 per 1M input tokens and $50 per 1M output tokens, $0.25 cached input. Calculate your cost per request, day and month.
| Provider | Anthropic |
| Input | $10 / 1M tokens |
| Output | $50 / 1M tokens |
| Cached input | $0.25 / 1M tokens |
| Context window | 1M |
| Notes | Cached = cache hits. Cache writes cost extra ($12.50 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: $0.04 per request, $70.00 per day, $2100.00 per month (30 days).
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