Claude Opus 4.8
Anthropic 最新 Opus 檔位模型，適合複雜推理、長週期智能體編程和高自治企業工作。
上下文窗口
200k tokens
claude-opus-4-8
最大輸出
-
1M tokens
輸入
$4.5$5
10% off1M tokens
輸出
$22.5$25
10% off1M tokens
claude-opus-4-8試玩區
claude-opus-4-8Click or drag
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定價
| 方案 | 上下文窗口 | 最大輸出 | 輸入 | 輸出 | 緩存寫入 | 緩存讀取 |
|---|---|---|---|---|---|---|
claude-opus-4-8 | 200k tokens | - | $4.5$510% off 1M tokens | $22.5$2510% off 1M tokens | $5.625$6.2510% off 1M tokens | $0.45$0.510% off 1M tokens |
1h Cache Write · $9 · 1M tokens
緩存讀取或緩存輸入價格適用於複用的提示詞 tokens。
README
- Claude Opus 4.8 面向高自治工作：長週期編程智能體、複雜重構、多步驟調試，以及需要模型在長會話中規劃、校驗並持續保留上下文的企業任務。
- Anthropic 強調其自適應思考能力，可在速度和深度之間取得平衡，讓團隊在關鍵步驟使用更深推理，同時讓常規任務保持響應效率。
- 該模型還引入 Fast Mode research preview，並將可緩存 prompt 的最低長度降至 1,024 tokens，便於緩存可復用系統提示詞和工具密集型智能體上下文。
API
API
端點
POST /v1/messages認證
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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