ChatGPT
OpenAI · assistants, writing
€23.00/mo · Plus
Free planWhy it works
- Strong free plan
- Very broad model capability
Watch out
- Free tier usage caps
- Can produce confidently wrong answers on niche topics
Vendor documented · 05.09.2026
CATEGORY
Writing & Content
A short list organized by real work, not product jargon.
Claude
Anthropic · assistants, writing
$20.00/mo · Pro$17.00/mo billed annually
Free planWhy it works
- Excellent nuanced long-form output
- Large context window
Watch out
- Usage limits on free plan
- Fewer native plugins than some rivals
Vendor documented · 06.08.2026
Microsoft 365 Copilot
Microsoft · assistants, writing
$25.20/mo · Microsoft 365 Copilot Business
Paid onlyWhy it works
- Works where the documents already are, with no copy-pasting
- Meeting recap is built into Teams rather than bolted on
Watch out
- No free plan, and the entry price assumes you already pay for Microsoft 365
- The headline annual rate is a promotion, not the standard price
Vendor documented · 05.09.2026
Copy.ai
Copy.ai · writing, automation
$29.00/mo · Chat$24.00/mo billed annually
Paid onlyWhy it works
- Very easy to use
- Entry plan includes 5 seats
Watch out
- Best at shorter formats
- Premium features cost more
Vendor documented · 12.09.2026
DeepL
DeepL SE · writing
€8.99/mo · Individual
Free planWhy it works
- Glossaries hold product and client names steady across every document
- File translation returns a document that still looks like the original
Watch out
- The free plan caps text at 50,000 characters a month and one file translation
- Prices for France include VAT, so the figure is not comparable with US-listed tools
Vendor documented · 05.09.2026
Gemini
Google · assistants, writing
€4.99/mo · Google AI Plus
Free planWhy it works
- Already inside the tools most small businesses use for email and documents
- The free tier covers a lot of everyday drafting
Watch out
- Paid tiers bundle storage you may not need
- Plan names and limits change often, and the tiers are hard to compare
Vendor documented · 08.08.2026
Grammarly
Grammarly · writing
€12.00/mo · Pro
Free planWhy it works
- Works everywhere you already type
- Catches errors an assistant will not flag
Watch out
- Rewrite suggestions flatten distinctive voice
- Best features sit behind Pro
Vendor documented · 06.08.2026
Jasper
Jasper AI, Inc. · writing
$69.00/mo · Pro$59.00/mo billed annually
Paid onlyWhy it works
- Strong brand-voice consistency
- Designed for marketing teams
Watch out
- Premium price point
- Overkill for light users
Vendor documented · 12.09.2026
Writesonic
Writesonic · writing
$99.00/mo · Starter$79.00/mo billed annually
Paid onlyWhy it works
- Affordable entry point
- Broad format coverage
Watch out
- Long-form can feel templated
- Credit system can run out quickly
Vendor documented · 12.09.2026