1. Models & pricing
  2. Anthropic
  3. Claude Haiku 4.5

Claude Haiku 4.5 API

Anthropic's fastest model, for high-volume and latency-sensitive calls. 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-haiku-4-5",
    max_tokens=1024,
    messages=[{"role": "user", "content": "Hello"}],
)

Pricing

Per 1M tokensAiroutlyOfficial
Input$0.72$0.72$0.36$1.00
Output$3.60$3.60$1.80$5.00
Cache read$0.07$0.07$0.035$0.10
Cache write (5 min)$0.90$0.90$0.45$1.25

Ends 2026-11-01 23:59 UTC; the struck-through price applies afterwards.

About this model on Airoutly

Which model ID do I send?
Send claude-haiku-4-5, the same ID Anthropic uses.
Is prompt caching supported?
Yes. Cached input is billed at the cache-read price above.