Claude Opus 4.5 Pricing
$5 per 1M input tokens · $25 per 1M output tokens. Free tier: No free tier (API usage billed).
Cost Calculator
Estimated cost:
Claude Opus 4.5 Price Table
| Standard | |
|---|---|
| Input / 1M tokens | $5 |
| Output / 1M tokens | $25 |
| Context cache / 1M | — |
About Claude Opus 4.5
Legacy Opus generation — repriced down from $15/$75 to match Opus 5 rates.
- Opus 4.5 through 4.8 all share $5/$25 rates
- Big price drop vs original Opus 4 pricing ($15/$75)
- Batch API: 50% discount
Frequently Asked Questions
How much does Claude Opus 4.5 cost?
$5 per 1M input tokens and $25 per 1M output tokens.
Is there a batch discount for Claude Opus 4.5?
Yes — the Anthropic Batch API applies a 50% discount.