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CostPerPrompt

Claude Opus 5 API Pricing

Anthropic · context window 1M · prices updated 2026-08-02

Input per 1M tokens
$5.00
Output per 1M tokens
$25.00
Cached input per 1M
$0.5
90% cheaper than fresh input

What real workloads cost on Claude Opus 5

Workload Per request Per month
1K short requests/day (500 in / 150 out) $0.0063 $188
Support chatbot, 500 convs/day (~5K in / 1.4K out per conv) $0.06 $900
Document pipeline, 10K docs/day (3K in / 500 out) $0.0275 $8250

Model your exact traffic in the API cost calculator — it preloads Claude Opus 5 with caching and batch options.

Cheaper alternatives

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Frequently asked questions

How much does the Claude Opus 5 API cost?

Claude Opus 5 costs $5.00 per million input tokens and $25.00 per million output tokens, with cached input at $0.5 per million (90% cheaper). In practice, a typical short request (500 tokens in, 150 out) costs about $0.0063.

What does 1,000 requests per day cost on Claude Opus 5?

At 500 input + 150 output tokens per request, 1,000 requests/day costs about $188 per month. Heavier workloads scale linearly — use our API cost calculator to model your exact traffic.

How can I reduce Claude Opus 5 costs?

Three levers, in order of impact: (1) route routine requests to a cheaper tier and keep Claude Opus 5 for hard cases; (2) enable prompt caching — cached input is 90% cheaper, which typically halves chatbot bills; (3) use the batch API for non-urgent jobs at a ~50% discount.

Is Claude Opus 5 worth the price?

It depends on task difficulty. Flagship models earn their premium on complex reasoning, coding, and high-stakes output; mini/flash tiers handle classification, extraction and routine chat at 10–30× lower cost. Benchmark a sample of your real workload on both before committing.