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Comparison · 4 products tested against published criteria

Best AI writing tools compared

Four assistants judged on output quality, data handling, pricing transparency and how easily you get your content out again.

By THRYV News Desk · Updated August 8, 2026 · 9 min read

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Illustrative studio photograph of this product class — not a picture of a specific model.

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At a glance

  • Best overall:OpenAI Assistant Pro tier$200 / month
  • Best for long form:Anthropic Claude Team$25 per seat / month
  • Also considered:Jasper AI Jasper $59.00 at Jasper
  • Best value:Notion Notion AI$10 per member / month

Prices shown without a retailer are manufacturer list prices. Checked offers show the retailer and the time we last verified the price.

AI writing tools converge fast on output quality, so the durable differences are commercial and legal: what the vendor does with your text, whether pricing survives contact with real usage, and whether you can leave with your work intact. We tested each on the same brief set and read every data-processing term.

Best AI writing tools compared — side-by-side comparison
ProductScorePricePricingTraining opt-outExportTeam controlsBuy
OpenAIAssistant Pro tierBest overall9.0

$200 / month

$20–30 per seatDefault on business tiersMarkdown, DOCX, APIRoles, workspace audit logOpenAI
AnthropicClaude TeamBest for long form8.7

$25 per seat / month

$25 per seatNot trained on by defaultMarkdown, APIProjects, shared contextAnthropic
Jasper AIJasper7.6

$59.00

at Jasper

As of 23 Aug 2026, 15:40 UTC

$39+ per seatContractual, business plansDOCX, CMS integrationsApprovals, brand kitsJasper$59.00
NotionNotion AIBest value7.4

$10 per member / month

$10 add-onDefault, per termsMarkdown, PDFInherits workspace permissionsNotion
Best price today

Prices shown without a retailer are manufacturer list prices. Checked offers show the retailer and the time we last verified the price.

The shortlist in detail

#1Best overall

OpenAI Assistant Pro tier

Strongest general drafting with clear data controls.

9.0
Price

$200 / month

Best for
Teams that need one assistant for drafting, editing and research.

What we liked

  • Highest blind-scored drafts
  • Business tier excludes data from training by default
  • Mature export formats

What we didn't

  • Citation accuracy still needs checking
  • Usage limits are opaque at peak
Check priceOpenAI
#2Best for long form

Anthropic Claude Team

Best long-document editing and tone control.

8.7
Price

$25 per seat / month

Best for
Editors working across long manuscripts and policy documents.

What we liked

  • Handles book-length context reliably
  • Conservative about fabricating detail
  • Clear retention terms

What we didn't

  • Fewer integrations
  • Slower on short prompts
Check priceAnthropic
#3

Jasper AI Jasper

Marketing workflow rather than raw model quality.

7.6
Price

$59.00

at Jasper

As of 23 Aug 2026, 15:40 UTC

Best for
Marketing teams that need governance more than a better model.

What we liked

  • Brand voice enforcement
  • Campaign templates
  • Good approval workflow

What we didn't

  • Priciest per seat
  • Quality depends on the model it routes to
Check priceJasper$59.00
#4Best value

Notion Notion AI

Cheapest way to add drafting where the docs already live.

7.4
Price

$10 per member / month

Best for
Teams already standardised on Notion for documentation.

What we liked

  • No new tool to adopt
  • Cheap add-on pricing
  • Strong summarisation of existing pages

What we didn't

  • Weaker on long-form drafting
  • Locked to the Notion workspace
Check priceNotion

The verdict

For most teams the Pro tier assistant is the default: best drafts, clearest business data terms. Long-document editors should pay the small premium for Claude Team, and if your documentation already lives in Notion, its add-on is the cheapest useful upgrade you can make this quarter.

9.0

Our pick

OpenAI Assistant Pro tier

OpenAI

Common questions

Can these tools be used on client-confidential material?
Only on business tiers where training is excluded by contract and retention is documented. Consumer tiers usually are not suitable.
Do AI drafts hurt search rankings?
Unedited output does, because it adds nothing new. Search systems reward the original testing, data or experience you add on top.

Sources

Specifications and list prices come from each manufacturer's own product page. Offer prices are read from the retailer at the time shown next to the price and are not supplied by the brands.

Why you can trust this comparison

THRYV publishes the criteria before the shortlist, scores each product against them, and states plainly where a figure comes from the manufacturer rather than our own testing. Prices change constantly — we publish only offers we checked ourselves, with the time we checked. We may earn a commission from the links on this page; it never changes a ranking or a score.

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