Model

Claude Haiku 5.5.

Power

£

API cost

by Anthropic · released 7 October 2026

In plain English

Anthropic's fast, low-cost model.

Good for

Sorting, pulling out information, routing, and acting as a helper for other agents.

Things to be aware of

The price goes up for long prompts, so stuffing in too much context can wipe out the saving.

What Anthropic says

““For high-volume, latency-sensitive tasks.””
Context window
1.0M tokens
Knows up to
June 2026
Run it yourself
No, online only
API price
$0.10 in / $0.50 out
per million tokens

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