anthropic
Anthropic: Claude Opus 4.1 API Pricing
Anthropic: Claude Opus 4.1 costs $15.00 per 1M input tokens and $75.00 per 1M output tokens (cache reads: $1.50). Context window: 200K. Prices verified 2026-08-23 · source
Input / 1M tokens
$15.00
Output / 1M tokens
$75.00
Context window
200K
Max output
32K
What would Anthropic: Claude Opus 4.1 cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $420.00 |
| Coding agent | 5,000 | 8,000 / 2,000 | $1350.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $2925.00 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $750.00 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About Anthropic: Claude Opus 4.1
Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains...