If a small team has a clear brand voice and writes a lot of customer-facing copy, Jasper's brand-voice features justify the premium. If you want flexibility at a lower cost, and you're willing to edit, ChatGPT is the smarter first buy: it has a free plan, and the paid plan costs a fraction of a writing suite. Writesonic and Copy.ai have no free plan, only paid tiers, so they come after you know how much you write.
Small businesses usually don't need one writing tool, they need writing help across several formats: website copy, emails, social posts, product descriptions and the occasional long guide. The right tool depends on how much you write, who sets the voice, and whether anyone edits the output.
The trade-off that matters most: tools tuned for brand consistency (like Jasper) cost more and assume a defined voice, while general assistants (ChatGPT, Claude) are cheaper and flexible but need more human editing.
The picks that stand out
Jasper
Designed around brand voice and marketing workflows. The premium price only makes sense if you write a lot with a consistent voice.
Writesonic
No free plan: a trial, then a paid tier from the first month. Writesonic now leads with tracking how a brand shows up in AI search answers, with SEO articles, ads and product copy alongside: a marketing-team purchase rather than a budget writer.
ChatGPT
Cheapest starting point, huge capability, but you manage the voice and editing yourself.
Copy.ai
Fast sales copy and social posts. There is no free plan, and the product is now sold as a sales-and-marketing platform, so a solo writer pays for features they will not use. Weaker for long-form.
Grammarly
The only tool here that improves a draft rather than producing one, and it works everywhere you type instead of in its own tab. It catches errors an assistant will not flag. Watch the rewrite suggestions: they flatten a distinctive voice if you accept them all.
DeepL
The only tool here that is not trying to write for you. DeepL translates and rewrites what you already have, keeps a glossary so client and product names stay identical across documents, and returns a translated file that still looks like the original. Its free tier covers occasional work. Where DeepL processes documents is a vendor statement we have not checked, so read its data-processing terms before sending client files.
At a glance
| Criterion | Jasper | Writesonic | ChatGPT | Copy.ai | Grammarly | DeepL |
|---|---|---|---|---|---|---|
| Used mainly for | Brand-voice content, long-form drafting | Seo articles, ad copy | Content writing, research | Sales copy, social posts | Proofreading client emails, tightening proposals | Translating client documents, bilingual proposals |
| Entry price | $69.00/mo · Pro | $99.00/mo · Starter | €8.00/mo · Go | $29.00/mo · Chat | €12.00/mo · Pro | €8.99/mo · Individual |
| Free plan | ✕No | ✕No | ✓Yes | ✕No | ✓Yes | ✓Yes |
| Free trial | ✓Yes | ✓Yes | Not stated | ✕No | ✓Yes | ✓Yes |
| Works on | Web | Web | Web, iOS, Android, API | Web | Web, Windows, macOS, iOS, Android | Web, Windows, macOS, iOS, Android, Browser extension, API |
| Documented integrations | Chrome, Surfer, Grammarly, Zapier | WordPress, Zapier, Chrome | API, GPT Store, Third-party apps | Zapier, HubSpot, Surfer | Chrome, Google Docs, Word, Desktop app | Word, Outlook, Chrome, CAT tools, API |
| Setup | Easy: 15-30 min | Easy: minutes | Easy: minutes | Easy: minutes | Easy: minutes | Easy: minutes |
| Main limitation | Premium price point | Long-form can feel templated | Free tier usage caps | Best at shorter formats | Rewrite suggestions flatten distinctive voice | The free plan caps text at 50,000 characters a month and one file translation |
| Our evidence level | Vendor documented | Vendor documented | Vendor documented | Vendor documented | Vendor documented | Vendor documented |
| Try it | Try Jasper ↗ | Try Writesonic ↗ | Try ChatGPT ↗ | Try Copy.ai ↗ | Try Grammarly ↗ | Try DeepL ↗ |
Every cell comes from the tool's record, built from its official documentation and pricing page. The integrations listed are the ones the vendor documents, not tested by us.
What to verify before choosing
Pricing changes often. Before committing, confirm the current price, whether the free plan exists, and what the cheapest paid tier actually includes (word counts, seats, brand voices). The data on this site records the last review date; treat listed prices as starting points, not guarantees.
Editing reality check
Every AI writing tool produces output that needs editing. Budget for that time. Tools with brand-voice features reduce editing, but none remove it. If nobody on the team edits, the tool choice matters less than the editing process.
Who owns the voice?
Brand-voice features assume a brand voice exists. If nobody has written down how your business sounds (the words you avoid, the length you aim for, whether you use contractions, how formal you are with a new client) then a tool built to enforce a voice has nothing to enforce. Write that paragraph first. It is what makes a cheap generalist behave, and it is also the only thing that makes an expensive brand-voice tool worth the difference. Buying the tool before writing the paragraph is the common order and the wrong one.
Volume decides this page more than features do
Every tool here is priced for someone who publishes constantly. If you send a few customer emails and post once a month, all of them are oversized and a general assistant already covers it. The line worth finding is where editing time exceeds the subscription: count what you actually produce in a month, and how long each piece takes to fix. Below a certain volume, the honest recommendation on this page is to buy nothing on it.
What’s new in these tools
Writesonic has repositioned itself around visibility in AI search answers, and Copy.ai around sales and marketing operations; both still write, but writing is no longer what they are built around. Jasper has moved to marketing agents. In practice, neither is a like-for-like budget alternative to ChatGPT any more: for everyday business writing, start with ChatGPT.
Pricing side by side
| Tool | Verified price | Billing condition | Free | Checked | Link |
|---|---|---|---|---|---|
| Jasper | $69.00/mo · Pro | $59/month billed yearly; $69/month billed monthly | No | 25.10.2026 | Visit ↗ |
| Writesonic | $99.00/mo · Starter | $79/mo billed annually; $99/mo billed monthly | No | 25.10.2026 | Visit ↗ |
| ChatGPT | €8.00/mo · Go | Monthly billing only: OpenAI offers no annual billing for Go, Plus or Pro | Yes | 03.11.2026 | Visit ↗ |
| Copy.ai | $29.00/mo · Chat | $24/mo billed annually ($288/yr); $29/mo billed monthly | No | 25.10.2026 | Visit ↗ |
| Grammarly | €12.00/mo · Pro | monthly billing; 7-day free trial | Yes | 25.10.2026 | Visit ↗ |
| DeepL | €8.99/mo · Individual | 8.99 EUR/month billed monthly, VAT included; annual billing is advertised at 16% less | Yes | 25.10.2026 | Visit ↗ |
Frequently asked questions
What's the cheapest way to get AI writing help for a small business?
Start with ChatGPT's free plan; it is genuinely usable for everyday business writing. Grammarly and DeepL also have free plans if the job is checking or translating what you already wrote. Writesonic and Copy.ai have no free plan. Upgrade only when volume or voice consistency becomes the bottleneck.
Is Jasper worth it for a small business?
Only if you publish a lot of on-brand content and the brand-voice features would measurably reduce editing time. For most very small teams, a cheaper flexible tool plus editing discipline delivers comparable results.
Do I need a writing tool if I already pay for a general assistant?
Only for a reason you can name. A general assistant drafts competently and costs less. The two things it does not do are hold a defined brand voice across several writers, and check work you produced somewhere else. If neither is your problem, a second subscription buys you very little.
How much editing should I expect?
Enough to budget for. Brand-voice features reduce it and none of them remove it, because the tool does not know what your client already agreed to or what you promised last quarter. Plan the review time into the job rather than discovering it after the first draft arrives.
Which AI writing tool is safest for client data?
We have not checked any vendor's privacy or security claims, so this page does not rank the tools on it. Before sending client material, check three things in the vendor's own terms: whether your inputs are used to train models and how to switch that off, whether the business plan comes with a data processing agreement, and where the data is processed. Our guide to where AI tools are hosted walks through those questions.
Recently at these tools
Week of 12 October: your dot (the assistant that keeps working between conversations) can be opened from iOS Home Screen widgets and Apple Shortcuts, for accounts with dot access. Source ↗
Week of 5 October: dots can be created and set up from the ChatGPT mobile app. Source ↗
Read on each vendor's official changelog, not tested by us.