AnthropicAPI Editor Choice
Claude Sonnet 5.5 API
9.1/10Efficiency Score
$2/1M tokens
Pricing Details
Input Tokens$2/1M
Output Tokens$10/1M
Context Window1M
Features
🆕 Released Nov 2026 — 速度与智能的平衡档，Anthropic 默认推荐模型
输入 $2 / 缓存命中 $0.10 / 输出 $10 per 1M，Batch 半价 $1/$5
1M 上下文 / 128K 最大输出
Adaptive thinking，默认 effort=high
工具调用系统提示词 286 tokens
Best For
Best combination of speed and intelligence