Audience

Developers, AI application builders, enterprises, data processing teams, and agent developers that need a fast AI model for high-volume classification, routing, extraction, browser use, subagent workflows, and other latency-sensitive tasks

About Claude Haiku 5.5

Claude Haiku 5.5 is an Anthropic AI model designed for high-volume, latency-sensitive workloads such as classification, routing, extraction, and subagent tasks. The model supports adaptive thinking, allowing it to determine when and how much reasoning to perform based on the request. Developers can use the effort parameter to balance response quality against speed and cost, while adaptive thinking is enabled by default. Claude Haiku 5.5 provides a 1 million token context window and supports outputs of up to 128,000 tokens, increasing from the 200,000-token context window and 64,000-token output limit of Claude Haiku 4.5. It also supports browser use through the Claude API and Google Cloud for workflows that require interaction with web-based environments. Claude Haiku 5.5 uses Anthropic's newer tokenizer introduced with Claude 4.7 and later models, which results in the same text using approximately 30% more tokens than with Claude Haiku 4.5.

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Pricing

Starting Price:
$0.10 per 1M tokens (input)
Pricing Details:
For prompts under 100K tokens, it's $0.10 input / $0.50 output per million tokens with cache reads at $0.01. Above 100K tokens, $0.50 input / output $2.50 per million, with cache reads at $0.05.

Integrations

API:
Yes, Claude Haiku 5.5 offers API access
See Integrations

Ratings/Reviews - 1 User Review

Overall 5.0 / 5
features 4.0 / 5
More Reviews for Claude Haiku 5.5 Write a Review

Company Information

Anthropic
Founded: 2021
United States
claude.ai

Videos and Screen Captures

Claude Haiku 5.5 Screenshot 1
Claude Haiku 5.5 Screenshot 1 Claude Haiku 5.5 Screenshot 2
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Product Details

Platforms Supported
Cloud
Training
Documentation
Support
Online

Claude Haiku 5.5 Frequently Asked Questions

Q: What kinds of users and organization types does Claude Haiku 5.5 work with?
Claude Haiku 5.5 works with these users and organization types: Mid Size Business, Small Business, Enterprise, Freelance, Nonprofit, Government, and Startup.
Q: What languages does Claude Haiku 5.5 support in their product?
Claude Haiku 5.5 supports these languages: English.
Q: What kind of support options does Claude Haiku 5.5 offer?
Claude Haiku 5.5 offers support via online.
Q: What other applications or services does Claude Haiku 5.5 integrate with?
Claude Haiku 5.5 integrates with: AgentSea, Vercel AI Gateway, AiAssistWorks, Aider, Amazon Bedrock, Amp, Anything, App0, Augment Code, Microsoft Foundry, Bash, Biela.dev, Bind AI, BLACKBOX AI, Bolt.new, ClickUp Brain, Brokk, Buda, Shipper.now, C, C++, C#, Charlie, Cheaper Inference, and Cherry Studio and more.
Q: Does Claude Haiku 5.5 have an API?
Yes, Claude Haiku 5.5 has an API.
Q: What type of training does Claude Haiku 5.5 provide?
Claude Haiku 5.5 provides training in the form of documentation.
Q: How much does Claude Haiku 5.5 cost?
Pricing for Claude Haiku 5.5 starts at $0.10 per 1M tokens (input).

Claude Haiku 5.5 Product Features

Claude Haiku 5.5 Verified User Reviews

Write a Review
  • A Claude Haiku 5.5 User
    Software Engineer
    Used the software for: 6-12 Months
    Frequency of Use: Daily
    User Role: User
    Company Size: 100 - 499
    Features 4 out of 5 stars
    Pricing 5 out of 5 stars
    Probability You Would Recommend? 9 out of 10

    "Finally a super fast/cheap model from Anthropic"

    5 out of 5 stars Posted 2026-10-07

    Pros: Claude Haiku 5.5 is impressively fast while still being capable enough for a wide range of everyday AI tasks. I found it particularly good for quick coding work, summaries, classification, and other high-volume tasks where responsiveness matters. It's a substantial improvement over Haiku 4.5 and offers a great balance between intelligence, speed, and cost.

    Cons: Haiku 5.5 is still designed as the lightweight model in the Claude lineup, and that becomes noticeable on more complicated reasoning and long-running tasks. For difficult coding problems or work that requires a lot of judgment, I'd still rather use Sonnet 5.5 or Opus 5.5.

    Overall: Claude Haiku 5.5 is an excellent choice when speed and efficiency matter more than having the absolute smartest model available. It's surprisingly capable for such a lightweight model and works especially well for high-volume workloads, quick coding tasks, and everyday automation. I wouldn't choose it for my hardest problems, but for routine work it's one of the most practical Claude models available.

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