Anthropic · Claude

Claude Haiku 4.5

Generally availableText / reasoning model

The small, fast, low-cost member of the Claude 4 line.

Yes — Claude Haiku 4.5 is a real Anthropic model.

Released 2026 by Anthropic, Claude Haiku 4.5 is part of the Claude family. It's available through Anthropic's API, and we run it on PromptFrenzy — the examples below are real, unedited generations it produced.

Maker

Anthropic

Released

2026

Input price

$1 / 1M

Output price

$5 / 1M

What is Claude Haiku 4.5?

Claude Haiku 4.5 is Anthropic’s compact model — built for speed and high-volume, latency-sensitive workloads at the lowest price in the Claude 4 line.

What Claude Haiku 4.5 actually produces

Real, unedited outputs from Claude Haiku 4.5 in our model showdowns — same brief, same constraints as every other model, one shot each.

Claude Haiku 4.5 output for Pelican on a Bicycle: Claude Fable 5 vs GPT-5.5 Pro vs Gemini 3.1 Pro

10s to generate

From: Pelican on a Bicycle →

See Claude Haiku 4.5 compared head-to-head

Pelican on a Bicycle: Claude Fable 5 vs GPT-5.5 Pro vs Gemini 3.1 Pro→

Compare every model side-by-side

See how Claude Haiku 4.5 stacks up against the other frontier models on the same brief.

Browse all model showdowns →