Claude Haiku 4.5 Online | Fastest Claude on NetRoom

Claude Haiku 4.5

Large language model for chat, writing and analysis

Category
Language
Modality
Text · Tool use
Context
Released
Strengths

What it's the best tool for

  • Millisecond-tier latency
  • One of Anthropic's cheapest per-token tiers
  • Reliable instruction following
  • Perfect for batch and chat workloads
  • Solid quality on simple tasks
Limitations

When to reach for something else

  • Weaker reasoning than Sonnet 4.6 or Opus
  • No image or video generation
  • Same content filters as bigger Claude
  • Smaller context than Sonnet's 1M beta
Sample output

How Claude Haiku 4.5 responds

Prompt
Classify 200 CRM leads into hot/warm/cold. Input is JSON, output the same JSON with a status field added.
Claude Haiku 4.5
Done in 4 seconds. Hot: 38 | Warm: 97 | Cold: 65. Updated JSON attached below, structure preserved.
Where teams use it

Four scenarios where it pays for itself

01
Business chatbots
Fast replies, cheap tokens
02
Lead classification
Bulk JSON labeling
03
Comment moderation
10K-batch runs
04
RAG summaries
Condense docs into paragraphs
About model

More about Claude Haiku 4.5

Claude Haiku 4.5 Online — The Fastest Claude Tier

Claude Haiku 4.5 is Anthropic's budget-and-speed tier — one of the cheapest per-token rates in the Claude lineup. Available on NetRoom with no VPN and no foreign card.

Where it wins

Simple tasks in milliseconds, pennies per thousand requests, tight instruction following. Quality is comparable to what Sonnet delivered a year ago.

Best fit

Chatbots, classification and moderation, batch labeling, RAG summaries, marketplace auto-reply. When volume and latency beat deep reasoning.

Get started

Open NetRoom, select Haiku 4.5, drop your prompt. Ruble top-ups, pay per token used.

Use Claude Haiku 4.5 via the API

The same engine, straight from your code: one key and one balance for text, images, video and sound. Pay only for the requests you make.

curl
curl https://net-room.com/api/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "anthropic/claude-haiku-4.5", "messages": [{"role": "user", "content": "Hello"}]}'

The format is OpenAI SDK compatible — point base_url at https://net-room.com/api/v1 and use your NetRoom key.

The model id is already in the example. The full parameter reference and prices live in GET /api/v1/models and in the docs.

API documentation Get an API key

Try Claude Haiku 4.5
right now

Free access to basic models. No card, no obligations.