OpenAI's general-purpose AI assistant. In our documented cases it is used to draft reports, brainstorm product slogans, write first drafts of client posts, and generate code for digital products.
Free plan, plus paid Go, Plus, and Pro plans for individuals and Business and Enterprise plans for teams. Exact prices were not shown in the version of the page we could read; check the official page for your region.
Free plan: Yes. Free plan with limits on uploads, image creation, and deep research.
Checked on the official pricing page on October 17, 2026. Prices change and can vary by region, tax, and billing period.
How It Is Used in Our Cases
•Drafting first versions of reports, posts, and summaries
•Brainstorming product names, slogans, and niches
•Generating code for simple tools and fillable documents
Limitations
•Free plan has limited uploads, image generation, and memory
•Output can contain invented facts and needs checking
Sal Aiello and Monica Powers built DimeADozen, a site that turns a business idea into an AI-generated validation report. They built it in four days, charged $39 per report, made more than $66,000 in about seven months, and then sold the business for $150,000.
Daniel Nguyen built BoltAI, a native macOS client for AI models. He told Indie Hackers it makes about $10,000 a month in one-time sales plus $5,000 in monthly recurring revenue. Licences were priced at $37, $57, and $79.
Saeed Ezzati, a software engineer, learned to build browser extensions and launched his first one within two or three days. Superpower ChatGPT adds features such as folders and search to ChatGPT. He told Starter Story it was at about $20,000 to $30,000 MRR and that he is the only person working on it.
A marketing consultant built a chatbot for a skincare client that was spending too long answering the same questions. The client paid $300 to refine and install it. Within a month there were three more clients at $250 to $500 each, then a $50 monthly maintenance fee, and six paying clients by month two.
Chris Rawson and Angelina Stanzione built a catalogue of 29 nonfiction books on Amazon, 17 of them also on Audible. They reported $34,500 in KDP royalties and $5,000 in audiobook royalties over three months. They started with ghostwriters and later used ChatGPT.
Emily Odio-Sutton started a print-on-demand shop on Etsy in 2022 so she could be available for her daughter. Printify prints and ships each order. CNBC Make It reported her store brought in $220,300 in 2023. She spends about 10 hours a week on her shops and declined to name them to avoid copycats.
Christina Umerez built an Etsy store selling text-based designs on T-shirts, sweatshirts, and totes. She uploaded about ten designs a day early on, quit her job, and says the store made CA$470,000 in revenue in 2023, selling around 150 items a day. A virtual assistant handles customer service and uploads.
A side hustler launched a weekly book-summary newsletter on Substack at $7 a month or $50 a year. The first month brought 42 subscribers. By month three there were 150 subscribers and $1,000 in total revenue, and by month six about $1,400 a month.
Sean, a digital marketer, sells LinkedIn post packages to busy executives: four posts for $200, eight posts plus an engagement strategy for $400, and a custom tier from $800. Within a month he had four clients on the $400 tier. By month two he had six recurring clients and was close to $3,000 a month.
Rebecca Beach has sold printables and private label rights products since 2018. She says AI-assisted "vibe coding" let her double her income from about $10,000 to up to $20,000 a month. Printables sell for $7 to $37 in her Shopify store and on Etsy; courses run from $97 to $997.
Lance Junck, a 23-year-old brand strategist in Austin, launched "ChatGPT Masterclass: A Complete ChatGPT Guide for Beginners" on Udemy in late December 2022. Business Insider reported that in about three months the course enrolled more than 15,000 students and made $34,913 in profit, based on screenshots of his sales dashboard. He ran it on top of a full-time job.
Anthropic's AI assistant. Documented cases use it to write long video scripts, draft newsletter summaries, and run client offers on a single monthly subscription.
Free plan: Yes. Free plan for chat on web, desktop, and mobile.
Pricing: Free plan. Pro is $20/month billed monthly or $17/month billed annually. Max starts at $100/month. Team seats start at $20/seat/month billed annually.
Google's AI assistant. One documented print-on-demand seller uses it to check trending phrases because it can search Google in real time.
Free plan: Yes. Free with a Google Account.
Pricing: Free with a Google Account. Paid individual plans listed at $4.99/month, $19.99/month, and from $99.99/month. Business plans from $21 per seat per month.
Checked October 17, 2026
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