Benchmark token generation speed across multiple LLM API providers. Measures TTFT (Time To First Token), tokens-per-second throughput, and total generation time. Use when comparing performance of different API providers, models, or testing API connectivity. Requires OpenCLAW config with provider definitions.

在多个大语言模型API供应商之间基准测试令牌生成速度，测量首令牌延迟（TTFT）、每秒令牌吞吐量和总生成时间。适用于比较不同API供应商、模型的性能或测试API连接性。需要配合包含供应商定义的OpenCLAW配置文件使用。