Claude Opus 4.5 API Pricing
Flagship · 200K context · $5 per 1M input tokens, $25 per 1M output tokens.
Claude Opus 4.5 pricing
| Provider | Input /1M | Output /1M | In+Out |
|---|---|---|---|
| Anthropic | $5 | $25 | $30 |
Prices per 1M tokens, USD. Snapshot 2026-07 — verify with the provider before relying on them.
Claude Opus 4.5 cost calculator
Frequently asked
How much does Claude Opus 4.5 cost per 1M tokens?
Claude Opus 4.5 costs $5 per 1M input tokens and $25 per 1M output tokens from Anthropic.
What is Claude Opus 4.5's context window?
Claude Opus 4.5 supports a context window of about 200K tokens. Remember every token in the context is billed on each call.
Is Claude Opus 4.5 available on other providers?
Claude Opus 4.5 is offered by Anthropic. For open-weight alternatives you can host on multiple providers, see the full model comparison.