Anthropic
Claude Haiku 4.5
Claude Haiku 4.5 is Anthropic’s lightweight AI model designed for fast, cost-efficient AI applications. It delivers near-frontier performance for coding, chat, and automation tasks while providing significantly faster responses and lower cost than larger Claude models.
Pricing
| Billing unit | UniRoute | Market |
|---|---|---|
| Input | $0.275 | $1.00 |
| Output | $1.425 | $5.00 |
per 1M tokens
About this model
Claude Haiku 4.5 API is Anthropic’s latest lightweight model built for speed, efficiency, and real-time AI applications. Through UniRoute, developers can access claude ai api to build chatbots, coding assistants, and automation workflows with fast responses and lower token costs while maintaining strong reasoning and coding performance.
Deep dive
Introducing Anthropic Claude Haiku 4.5 and Claude Haiku 4.5 API
Claude Haiku 4.5 API is Anthropic’s latest lightweight model built for speed, efficiency, and real-time AI applications. Through UniRoute, developers can access claude ai api to build chatbots, coding assistants, and automation workflows with fast responses and lower token costs while maintaining strong reasoning and coding performance.
Technical Claude Haiku 4.5 vs Claude Sonnet 4.5
Comparing anthropic claude haiku 4.5 and Claude Sonnet 4.5, main difference lies in speed and efficiency. Claude haiku 4.5 api focuses on low latency and cost-efficient claude api workloads, making it suitable for chat assistants, automation agents, and coding copilots. Sonnet 4.5 provides deeper reasoning and stronger performance for complex planning, research tasks, and advanced development scenarios.
Call it with one request
Works with the OpenAI SDK — just change the base URL.
curl https://api.uniroute.dev/v1/chat/completions \
-H "Authorization: Bearer $UNIROUTE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "claude-haiku-4-5",
"messages": [{ "role": "user", "content": "Hello!" }],
"stream": true
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