LLM API Speed Test

Supporting OpenAI, DeepSeek, Silicon Flow, Tencent Cloud and more. Help developers optimize AI application performance through comprehensive speed testing and analysis

Why Choose Us

Professional API Speed Testing Tool

Help developers optimize AI application performance through comprehensive speed testing and analysis

Real-time Speed Testing: Accurately measure API response times through comprehensive testing with multiple prompts
Custom Endpoint Support: Test API performance with custom base URLs and API keys, supporting both official and proxy endpoints
Performance Analytics: Detailed performance metrics including first token latency, tokens per second, and total processing time
Real-time Streaming Results: Monitor test progress in real-time with streaming results for each prompt evaluation

Frequently Asked Questions

Learn more about LM Speed

LLM API Speed Test

Supporting OpenAI, DeepSeek, Silicon Flow, Tencent Cloud and more. Help developers optimize AI application performance through comprehensive speed testing and analysis

Provider Updates

See who we have tested recently and the newest providers joining LM Speed.

AI Tools

提供免费的、兼容OpenAI的API接口，支持多个开源大语言模型，无需注册即可使用。

算了么 API

Provides OpenAI-compatible API access to open-source AI models like DeepSeek and QwQ, powered by shared idle computing resources.

api.suanli.cn

Tests2723

Last CheckDec 11

DashScope

DashScope提供AI模型和API，主要用于自然语言处理和计算机视觉应用。

dashscope.aliyun.com

Tests91

Last CheckDec 9

Groq

Groq provides fast and low-cost AI inference through its LPU architecture and GroqCloud platform.

groq.com

Tests5

Last CheckDec 8

Wahoo AI

一个统一平台，提供对OpenAI、Claude、Gemini、DeepSeek和xAI等多种AI模型的访问，适用于各种应用。

api.wahooai.com

Tests1

Last CheckDec 5

New API

统一的LLM API网关，通过单一接口提供对多种AI模型的访问。

wxkyw.dpdns.org