anthropic
Claude Opus 5 API Pricing
Claude Opus 5 costs $5.00 per 1M input tokens and $25.00 per 1M output tokens (cache reads: $0.500). Context window: 1M. Prices verified 2026-08-23 · source
Input / 1M tokens
$5.00
Output / 1M tokens
$25.00
Context window
1M
Max output
128K
What would Claude Opus 5 cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $140.00 |
| Coding agent | 5,000 | 8,000 / 2,000 | $450.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $975.00 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $250.00 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About Claude Opus 5
Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis...