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AnthropicFast and low-cost

Claude Haiku 5.5

Anthropic's fastest, cheapest model, for quick edits, summaries and bulk tasks.

Build with Haiku 5.5

Each clip is one prompt, run on Haiku 5.5 in Runable.

Haiku 5.5 on Runable

  • Answers in seconds

    About 235 tokens per second, the fastest Claude.

  • Made for bulk

    Captions, tags, summaries and rewrites at volume.

  • Pairs with Opus

    Draft on Opus 5.5, follow up on Haiku 5.5.

How to use Haiku 5.5 on Runable

  1. Select Haiku 5.5

    Start a task on Runable and pick Haiku 5.5 in the model menu.

  2. Describe the job

    Type what you need, or add files and links. Runable plans it and gets to work.

  3. Edit and ship

    Refine by chatting, then publish the site or export to PPTX, PDF or Google Slides.

One prompt, finished work

Real results from single Runable tasks. Pick one to watch it.

Made on Runable with Haiku 5.5
Build an award-winning single-page site for an environmental nonprofit called Verdant: an animated 3D Earth hero, live stats, and scroll-triggered animations.
tokens per second (Artificial Analysis)
235
token context window
1M
API input per 1M tokens
$0.10
turn to build
Your

Why choose Haiku 5.5

  • A huge jump from 4.5

    1620 vs 735 on GDPval-AA; 72.4% vs 15.7% on OSWorld 2.1.

  • About 75% cheaper

    Than Haiku 4.5 on average, says Anthropic.

  • The fastest Claude

    235 tokens per second, measured by Artificial Analysis.

  • Adjustable effort

    The first Haiku with effort from low to max.

  • Uses a computer

    Tool use, computer use and browser use.

  • Long context

    1M tokens; API prompts over 100K cost more.

Haiku 5.5 specs

Maker
Anthropic
Family
Claude 5.5 (small)
Released
October 7, 2026
API model ID
claude-haiku-5-5
Context window
1M tokens
Max output
128K tokens
Input / output
Text and images in, text out
Reasoning
Adaptive thinking; effort from low to max
Knowledge cutoff
June 2026
API price
$0.10 / $0.50 per 1M tokens up to 100K-token prompts; $0.50 / $2.50 above
API prices are Anthropic’s list prices. On Runable you use your plan’s credits instead of paying per token.

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Haiku 5.5 FAQs

Claude Haiku 5.5 is the small, fast model in Anthropic’s Claude 5.5 family, released on October 7, 2026. Anthropic calls it the cheapest, fastest and most capable small model it has released, aimed at high-volume, latency-sensitive work.

Sources: Anthropic: Introducing Claude Haiku 5.5 · Claude models overview · Claude API pricing · Artificial Analysis: Claude Haiku 5.5

More AI models on Runable

Put Haiku 5.5 to work

Describe the job. Runable runs it on Haiku 5.5 and ships the result.