BiWu.AiClaude Opus 5 API Pricing
Claude Opus 5 is a Claude model (1M context · 128K max output). On the official Anthropic Claude API, it costs $5 per 1M input tokens and $25 per 1M output tokens, with cached input at $0.50.
Prices checked Oct 10, 2026
Input / 1M tokens
$5
Output / 1M tokens
$25
Cached input / 1M
$0.50
Providers and plans
1
Official Claude Opus 5 API price
Source: Anthropic Claude API. Prices per 1 million tokens.
| Token type | Price per 1M tokens |
|---|---|
| Input | $5 |
| Output | $25 |
| Cached input (cache read) | $0.50 |
| Cache write | $6.25 |
Claude Opus 5 prices by provider
Per-token prices listed for this model by the official API and other providers, per 1M tokens.
| Provider | Type | Input | Output | Cached input |
|---|---|---|---|---|
| Anthropic Claude API | Official API | $5 | $25 | $0.50 |
Claude Opus 5 API pricing FAQ
How much does Claude Opus 5 cost per 1M tokens?
On the official Anthropic Claude API, Claude Opus 5 costs $5 per 1M input tokens and $25 per 1M output tokens. Cached input costs $0.50 per 1M tokens. Prices checked Oct 10, 2026.
How much does prompt caching save on Claude Opus 5?
Cached input is billed at $0.50 per 1M tokens, 90% less than the standard input price of $5. Writing to the cache costs $6.25 per 1M tokens.
What does a typical Claude Opus 5 API request cost?
A request with 10,000 input tokens and 1,000 output tokens costs about $0.075 at the official rates ($5 × 0.01 + $25 × 0.001).
How does Claude Opus 5 compare with other Claude models?
3 of the 8 Claude models listed here have a lower output price than Claude Opus 5. The cheapest is Claude Haiku 4.5 at $5 per 1M output tokens.
Other Claude models
BiWu.Ai lists public API prices for reference and does not sell API access. Free and low-cost providers may have rate limits, queues, regional restrictions or changing terms. Check the provider's pricing page before you build on it.