1. Models & pricing
  2. Anthropic
  3. Claude Opus 4.1

Claude Opus 4.1 API

Anthropic's most capable model for complex, long-running work. Call it with Anthropic Messages or OpenAI Chat Completions, using the official model name. Context window 200K.

Quick start

from anthropic import Anthropic

client = Anthropic(base_url="https://api.airoutly.com")
msg = client.messages.create(
    model="claude-opus-4-1",
    max_tokens=1024,
    messages=[{"role": "user", "content": "Hello"}],
)

Pricing

Per 1M tokensAiroutlyOfficial
Input$10.80$15.00
Output$54.00$75.00
Cache read$1.08$1.50
Cache write (5 min)$13.50$18.75

About this model on Airoutly

Which model ID do I send?
Send claude-opus-4-1, the same ID Anthropic uses.
Is prompt caching supported?
Yes. Cached input is billed at the cache-read price above.