When the first paid tier of OpenAI’s ChatGPT shows up at EUR 8/month, it’s a stark contrast to ProWritingAid’s Free: $0/month entry, hinting that the latter keeps the door open for writers who want to test the waters before paying.
How the numbers line up
OpenAI’s pricing is a single‑currency ladder: Free: EUR 0/month, Go: EUR 8/month, Plus: EUR 23/month, Pro: EUR 103/month. Each step adds a flat monthly fee and a brief tagline about the intended use case. ProWritingAid, by contrast, offers a mix of currencies and payment models: a Free: $0/month tier, monthly subscriptions of Premium: EUR 10/month, Premium: EUR 12/month, Premium: EUR 30/month, Premium Pro: EUR 36/month, and one‑time purchases of Premium: EUR 399 and Premium Pro: EUR 699. All paid ProWritingAid plans bundle 15 Creative Nudges per day, 50 Sparks per day, and live workshops with top authors.
The table below shows each vendor’s distinct tiers without repeating names, making the comparison clear.
| Vendor | Plan | Price | Core promise |
|---|---|---|---|
| OpenAI | Free | EUR 0/month | Try ChatGPT |
| OpenAI | Go | EUR 8/month | Longer conversations |
| OpenAI | Plus | EUR 23/month | Advanced work & productivity |
| OpenAI | Pro | EUR 103/month | Research and coding |
| ProWritingAid | Free | $0/month | Baseline checks |
| ProWritingAid | Premium | EUR 10/month | Creative Nudges & Sparks |
| ProWritingAid | Premium | EUR 12/month | Same features, different branding |
| ProWritingAid | Premium | EUR 30/month | Same features, higher tier label |
| ProWritingAid | Premium Pro | EUR 36/month | Same features, premium label |
| ProWritingAid | Premium | EUR 399 | One‑off lifetime access |
| ProWritingAid | Premium Pro | EUR 699 | One‑off lifetime access |
Who benefits most from each
OpenAI’s straightforward euro ladder suits anyone who wants a versatile AI that can code, research, or answer general questions, with the cost scaling neatly with the level of capability. ProWritingAid’s tiers, regardless of the monthly price, deliver the same creative‑writing toolkit; the price difference reflects brand positioning rather than feature variance, and the one‑off lifetime options appeal to writers who prefer a single upfront cost.
If your workflow revolves around daily writing inspiration and mentorship, the higher‑priced Premium Pro tiers of ProWritingAid provide a richer, writing‑focused experience. If you need a multipurpose AI partner that grows with your usage intensity, OpenAI’s clear, euro‑only pricing ladder is the better fit.
Pricing verified on 2026-09-22.