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
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
How Claude Haiku 4.5 responds
Four scenarios where it pays for itself
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 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.
Try Claude Haiku 4.5
right now
Free access to basic models. No card, no obligations.