{"slug": "sinceerly-ai-to-undo-your-ai-writing", "title": "Sinceerly, AI to undo your AI writing", "summary": "Ben Horwitz launched Sinceerly, an AI tool designed to remove AI-generated language from writing, after cold emailing five Fortune 500 CEOs and receiving four replies with typos and errors.", "body_md": "Hi, I'm [Ben](https://www.linkedin.com/in/horwitzben/).\n\nI got sick of everyone in my inbox sounding like AI.\n\nSo I built Sinceerly.\n\nI tested Sinceerly by cold emailing 5 Fortune 500 CEOs.\n\n4 CEOs replied. Of those replies, each was under 10 words. 2 replies had typos. One reply called me Larry (my name is Ben).\n\n[LMK](https://x.com/horwitzben) what you think.", "url": "https://wpnews.pro/news/sinceerly-ai-to-undo-your-ai-writing", "canonical_source": "https://sinceerly.com", "published_at": "2026-06-20 16:23:16+00:00", "updated_at": "2026-06-20 16:36:53.894843+00:00", "lang": "en", "topics": ["ai-tools", "ai-products", "generative-ai", "natural-language-processing"], "entities": ["Ben Horwitz", "Sinceerly", "Fortune 500"], "alternates": {"html": "https://wpnews.pro/news/sinceerly-ai-to-undo-your-ai-writing", "markdown": "https://wpnews.pro/news/sinceerly-ai-to-undo-your-ai-writing.md", "text": "https://wpnews.pro/news/sinceerly-ai-to-undo-your-ai-writing.txt", "jsonld": "https://wpnews.pro/news/sinceerly-ai-to-undo-your-ai-writing.jsonld"}}