被 6 个 AI 站共同瞄准的关键词，结合需求强度和竞争信号判断是否值得进入。
出现频次
6
distinct AI sites
搜索量
4.8M
monthly estimate
CPC
$0.33
USD estimate
KD
88
0–100 difficulty
预估外链
619
to reach top 10
需要较强竞争力
这个关键词的 KD 为 88，搜索量为 4.8M，属于内容研究场景。
搜索意图
commercial, transactional
SERP 快照
Available
AI Detector - Free AI Checker for ChatGPT, GPT-5 & Gemini
https://gptzero.me/
AI Detector - Trusted AI Checker for ChatGPT, GPT5 & Gemini
https://www.zerogpt.com/
按增长和搜索表现排序的命中网站
关键词、CPC、KD、SERP 和预估外链均为供应商或模型估算值。
AI Detector: Free AI Checker for ChatGPT, Claude & GPT-5
https://quillbot.com/ai-content-detector
AI Detector - Free AI Checker for ChatGPT, GPT-5, Gemini ...
https://copyleaks.com/ai-detector
AI Detector: Ranked #1 Free AI Checker for ChatGPT
https://www.grammarly.com/ai-detector
Which AI Detector Is Most Accurate? 30 Tools Tested (2026)
https://www.pangram.com/blog/best-ai-detector-tools
AI Image Detector | Detect AI-Generated Images for Free
https://deepai.org/ai-image-detector
AI Detector - 100% FREE AI Checker (Unlimited Words)
https://aidetector.com/
AI Detector | GPT-5, Claude, Gemini, Qwen, DeepSeek
https://sapling.ai/ai-content-detector
真实 SERP 数据通过 Columbus MCP / DataForSEO 适配器更新。