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Claude 4.5 Haiku

Anthropic
37/ 57

Intelligence Score

Intelligence

37

#34 of 210 (top 16%)

Speed

99 tok/s

#68 of 148

Price

$2.00

per M tokens

#110 cheapest of 144

Context Window

200K

tokens

Latency: 8ms (#127)

Score Breakdown

Quality Score65%
Speed Score16%
Cost Score80%

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Use This Model

Claude Code

claude --model claude-4-5-haiku-reasoning

API (cURL)

curl https://api.anthropic.com/v1/messages \
  -H "Content-Type: application/json" \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -d '{
    "model": "claude-4-5-haiku-reasoning",
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Vercel AI SDK

import { generateText } from "ai";
import { anthropic } from "@ai-sdk/anthropic";

const { text } = await generateText({
  model: anthropic("claude-4-5-haiku-reasoning"),
  prompt: "Hello",
});
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