API Cost Calculator
Estimate the monthly cost of an API workload, and see how much a stable cached prefix saves. All client-side — nothing leaves your browser.
$105.00estimated / month
| Input (fresh) | $45.00 |
| Output | $60.00 |
Enter the current per-million-token prices from the official pricing page (we don't hard-code them — they change). The cached-read rate is model-dependent (~0.1× input here is illustrative). Estimate only — verify with Anthropic's token counting and pricing.
:::tip Cut the bill, not the quality The biggest levers: right-size the model, trim input tokens, and reuse a stable prefix with prompt caching. Full strategy in Cost & Latency. :::
Next
- Tokens, Context & Pricing — how cost is calculated
- Prompt Caching & Cost Optimization
- Current Models & Pricing