Claude Haiku 4.5
Anthropic 最快且最具成本效率的模型，适合低延迟智能应用。
上下文窗口
200k tokens
claude-haiku-4-5
最大输出
-
1M tokens
输入
$0.9$1
10% off1M tokens
输出
$4.5$5
10% off1M tokens
claude-haiku-4-5试玩区
claude-haiku-4-5Click or drag
暂无输出
定价
| 方案 | 上下文窗口 | 最大输出 | 输入 | 输出 | 缓存写入 | 缓存读取 |
|---|---|---|---|---|---|---|
claude-haiku-4-5 | 200k tokens | - | $0.9$110% off 1M tokens | $4.5$510% off 1M tokens | $1.125$1.2510% off 1M tokens | $0.09$0.110% off 1M tokens |
1h Cache Write · $1.8 · 1M tokens
缓存读取或缓存输入价格适用于复用的提示词 tokens。
README
- Anthropic 将 Haiku 4.5 定位为其最快、最省成本的模型，同时在编程、计算机操作和智能体任务上保持接近前沿的能力。
- 它特别适合实时聊天助手、客服系统、结对编程等对延迟和成本敏感的场景。
- 官方也强调 Haiku 4.5 很适合作为多模型工作流中的快速并行子任务执行器，与更大的模型搭配使用。
API
API
端点
POST /v1/messages认证
Authorization: Bearer YOUR_REACH_API_KEY anthropic-version: 2023-06-01 Content-Type: application/json
示例
curl -X POST "https://direct.reachapi.ai/v1/messages" \
-H "Authorization: Bearer YOUR_REACH_API_KEY" \
-H "anthropic-version: 2023-06-01" \
-H "Content-Type: application/json" \
-d '{
"model": "YOUR_MODEL_ID",
"messages": [
{
"role": "user",
"content": "Introduce ReachAPI in one sentence."
}
],
"max_tokens": 512,
"temperature": 0.2
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