Claude Opus 4.8 API Pricing & Cost Calculator

Q: Does Claude Opus 4.8 support prompt caching?

Yes, Anthropic offers a 90% discount on cached input tokens, reducing the input price to $0.50 per million for matches.

Claude Opus 4.8 is reserved for top-tier complex reasoning tasks. Leverage its 90% prompt caching to significantly reduce the cost of large context windows in production.

Claude Opus 4.8 is Anthropic's latest flagship reasoning model, building on Opus 4.7 with refined instruction following and deeper multi-step planning.

By TechCompare · Updated July 2026

Input tokens

100,000

50% cached

Output tokens

5,000

per request

Volume

100 / monthly

Standard API

Cost Comparison

Based on 100,000 input tokens (50% cached), 5,000 output tokens, and 100 requests.

Claude Haiku 4.5

$8.00

Gemini 3.5 Flash

$13.88

Gemini 3.1 Pro (<=200k)

$17.00

GPT-5.4

$21.25

Claude Sonnet 4.6

$24.00

Claude Opus 4.8

$40.00

GPT-5.5

$42.50

Open full calculator to adjust tokens, caching, or add other models

How this is calculated

Claude Opus 4.8 is priced at $5.00 per million input tokens and $25.00 per million output tokens, supporting a 90% caching discount ($0.50 per million) and a 50% batch discount ($2.50 per million inputs, $12.50 per million outputs).

Verdict

Claude Opus 4.8 is reserved for top-tier complex reasoning tasks. Leverage its 90% prompt caching to significantly reduce the cost of large context windows in production.