Best AI writing and marketing tools in 2026
The honest framing for this category: for an individual writer, a general-purpose LLM is usually cheaper and more flexible. These tools earn their price when a team needs a shared brand voice, a workflow, or a final check that never slips.
Published · updated
How we ranked these
Stated before the list, so you can disagree with the weighting rather than the result.
The ranking
- 01
Grammarly4.6From $12/mo
The default English proofreader, now with generative drafting and tone adjustment built in.
The first choice for anyone writing English regularly for work. For Japanese, use DeepL Write or an equivalent separately.
- 02
Jasper4.4From $49/mo
Marketing-first AI covering brand voice, campaign structure and SEO.
An option when you are putting AI in front of an entire marketing team. Individual writers and engineers will move faster with a general LLM.
- 03
Copy.ai4.3From $49/mo
Sales and marketing copy, with workflows you can wire into an actual sales process.
An option for organisations building automated outreach. For an individual, a general LLM is enough.
- 04
Writesonic4.3From $16/mo
Blog posts, landing pages and ad copy in one place, with Chatsonic for conversational research.
An option for individual writers and small marketing teams who want to spend less than Jasper.
Questions we get
- Do I need one of these if I already pay for ChatGPT or Claude?
- As an individual, usually not. These earn their place when a team needs a shared brand voice, a repeatable workflow, or governance — not when one person needs better prose.
- Which is best for English proofreading?
- Grammarly, by a wide margin. The integrations reach everywhere people actually write, and it works well as the final check on text drafted with an LLM.
- Which handles Japanese?
- Jasper, Copy.ai and Writesonic all claim Japanese support and it is usable, but a general-purpose LLM such as Claude produces better Japanese. Grammarly does not cover Japanese at all.
- What is the cheapest route for a small marketing team?
- A general LLM subscription each, plus Grammarly if you publish in English. Move to Jasper or Copy.ai when consistency across people — not quality for one person — becomes the problem.