LLM Perks

Claude Haiku 4.5

Anthropic · All Claude models
Free right now Mid-size New
VisionCodingTool use

Claude Haiku 4.5 is a language model from Anthropic. It is currently free at 1 provider with up to 200K tokens of context. The model understands images, is suited to coding, supports tool calling.

Developer
Anthropic
Context
200K tokens
Type
Text
License
Proprietary
Free since
November 8, 2026

Where to use Claude Haiku 4.5 for free

Each row is a separate free endpoint with its own limits.

ProviderContextLimitCard
UnoRouter
claude-haiku-4-5-20251001:free
200K No-card free models use shared capacity and per-model limits; availability can change. No Open

Quick start

curl https://api.unorouter.com/v1/chat/completions \
  -H "Authorization: Bearer $UNOROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-haiku-4-5-20251001:free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Example for UnoRouter. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.

Benchmarks

This model is not on the Artificial Analysis leaderboard yet. We do not publish our own estimates.

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FAQ

Is Claude Haiku 4.5 free?

Yes. As of November 8, 2026, Claude Haiku 4.5 is free at UnoRouter. Each provider has its own limits — see the table above.

What is the context window of Claude Haiku 4.5?

The largest context among free routes is 200,000 tokens. Some providers cap it lower.

How do I call Claude Haiku 4.5 via API?

Use any OpenAI-compatible client with base URL https://api.unorouter.com/v1, model ID claude-haiku-4-5-20251001:free, and a UnoRouter key.

Is Claude Haiku 4.5 open-weight?

No, it is proprietary: access is only through provider APIs.