WarmOpener
AI cold email that reads the website to write like a human.
WarmOpener launched on January 28, 2026 with 8 votes, #1,339 of 14,584 launches that month and more than 90% of that year's launches.
What it does
Stop manually visiting 100s of websites just to launch one campaign. WarmOpener automatically visits prospect sites to understand their business. Don't stop at intros. Generate unlimited custom AI fields to personalize any part of your template. Bring your own OpenAI Key for low cost generation and connect Unlimited Inboxes on any plan. No per seat fees or credit markups. Just smart, flexible, and scalable outreach.
Use ChatGPT to write personalized cold emails at scale. Upload contacts, generate AI columns, build sequences with prompts. Bring your own OpenAI key - pay $0.002/email.
WarmOpener visits each prospect's website and uses ChatGPT to write emails that sound like you did the research yourself. Most tools charge you extra for the features that actually get replies. We include them standard. Stop paying for "AI credits." Pay wholesale prices directly to OpenAI. Describe your offer. AI writes every email in your sequence: subject lines, openers, follow-ups, all of it. Use your own prompts with ChatGPT to write personalized cold emails at scale. WarmOpener connects directly to your OpenAI API key so you pay wholesale prices, not per-credit markups. Connect Gmail via OAuth or any SMTP provider (Outlook, Zoho, custom domains). Upload your contact list and bring your…from warmopener.com
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