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AI · head to head

Vellum vs Wordtune

Vellum logo

Vellum

AI

Personalized AI assistant with persistent memory and autonomous action-taking

From
Free
Rated
-
Full reviewWebsite
Wordtune logo

Wordtune

AI

AI writing companion for better text

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Vellum pricing varies significantly by computational tier, making budget planning difficult; Wordtune the free Basic plan is limited to 10 rewrites and AI suggestions per day
  • They diverge on capability: Vellum covers Persistent AI identity, Wordtune covers Rewriting.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Vellum and Wordtune actually diverge.

Attributes where Vellum and Wordtune differ
AttributeVellumWordtune
Pricing modelFreemium with paid plans and pay-as-you-go creditsfreemium
PlatformsWeb, macOS, iOS, Slack, Telegram, TerminalWeb, Browser-extension
FoundedUnknown2017

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (AI).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Vellum

  • Persistent AI identity
  • Long-term memory
  • Email automation
  • Calendar management
  • Autonomous task execution
  • Multi-device synchronization
  • Custom plugins
  • Open-source deployment

Only in Wordtune

  • Rewriting
  • Tone adjustment
  • Sentence expansion
  • Summarization
  • Browser extension
  • Microsoft Word
  • Google Docs
  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Vellum

  • Personal productivity automation across email and calendarnot Wordtune
  • CRM updates and pipeline managementnot Wordtune
  • Expense report generation and managementnot Wordtune
  • Document drafting and content creationnot Wordtune
  • Meeting scheduling and calendar coordinationnot Wordtune

Wordtune

  • Rewriting and paraphrasing emails, articles and messagesnot Vellum
  • Summarizing long text or video into shorter formnot Vellum
  • Grammar and spelling correction inside a browser extensionnot Vellum

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Vellum

  • Pricing varies significantly by computational tier, making budget planning difficult
  • Requires explicit permission for sensitive actions, limiting autonomy
  • Self-hosting option may intimidate non-technical users
  • Learning curve to develop customizations with plugins

Wordtune

  • The free Basic plan is limited to 10 rewrites and AI suggestions per day
  • The free Basic plan is limited to 3 AI summarizations per month
  • The Advanced plan caps usage at 30 rewrites per day and 15 AI summarizations per month
  • SAML SSO, centralized billing and business support are excluded from all three self-serve plans (Basic, Advanced and Unlimited)
  • The advertised $4.89 and $6.99 per month rates are billed annually; paying monthly costs $6.99 and $9.99
  • Wordtune does not offer refunds, only cancellation before the next billing cycle
  • The free trial lasts 3 days and requires payment information before it starts

Pricing, plan by plan

Vellum

Free
  • FreeFree
    • Starter credits included
    • Basic features
  • Mighty$30/month
    • 1 vCPU, 2 GiB RAM
    • 10 GB storage
    • Included usage allowance
  • Super$100/month
    • 2.5 vCPU, 5 GiB RAM
    • 30 GB storage
    • Assistant email and subdomain
  • Ultra$200/month
    • 4 vCPU, 8 GiB RAM
    • 60 GB storage
    • Assistant email and subdomain

Wordtune

Free
  • FreeFree
    • 10 rewrites/day
    • Basic features
  • Plus$9.99/month
    • Unlimited rewrites
    • All features
  • Unlimited$14.99/month
    • Unlimited everything
    • Priority support

Which should you pick?

Choose Vellum if

  • You need persistent ai identity.
  • You want to start without paying.
  • You work on Web, macOS, iOS, Slack, Telegram, Terminal.
  • You also want long-term memory.
Vellum review

Choose Wordtune if

  • You need rewriting.
  • You want to start without paying.
  • You work on Web, Browser-extension.
  • You also want tone adjustment.
Wordtune review

Questions people ask

Is Vellum or Wordtune better?
Neither clearly leads. Vellum starts at Free and Wordtune at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Vellum or Wordtune?
Vellum starts at Free and Wordtune at Free.
Does Vellum or Wordtune run on more platforms?
Vellum runs on Web, macOS, iOS, Slack, Telegram, Terminal. Wordtune runs on Web, Browser-extension.
Can I use Vellum for free?
Both have a free tier, so you can try either at no cost before committing.
What is Vellum best used for?
Vellum is most often used for personal productivity automation across email and calendar, crm updates and pipeline management, expense report generation and management, document drafting and content creation. Of those, personal productivity automation across email and calendar and crm updates and pipeline management are not what Wordtune is typically brought in for.
What can Vellum do that Wordtune cannot?
Vellum covers Persistent AI identity, Long-term memory, Email automation, Calendar management. Wordtune covers Rewriting, Tone adjustment, Sentence expansion, Summarization.

Answered from the vendors’ own pages

Vellum: How does Vellum protect my data privacy?

Vellum uses permission-based controls requiring explicit approval for sensitive actions. Data is encrypted and the option for self-hosting provides complete data control. Open-source deployment option allows hosting on your own infrastructure.

Source
Wordtune: How long is the free trial and when am I charged?

The free trial lasts 3 days from purchase. You must provide payment information upfront but won't be charged until the trial ends. You can cancel anytime before the trial ends without charges.

Source
Vellum: Can I use Vellum for business team collaboration?

Vellum is primarily designed as a personal assistant with persistent identity. For team collaboration, platforms like Lindy offer better multi-user features with shared credit pools and Slack workspace integration.

Source
Wordtune: Do you offer refunds?

No refunds are offered, but you can cancel your subscription before the next billing cycle or before your trial ends.

Source
Vellum: What does the free tier include?

Vellum offers free starter credits to begin using the platform. Beyond that, it operates on a pay-as-you-go credit model with paid tiers starting at $30/month for increased computational resources and bundled credits.

Source
Wordtune: What payment methods do you accept?

Wordtune accepts all major credit cards, debit cards, Apple Pay, Google Pay, and PayPal.

Source
Wordtune: Are there discounts for students or nonprofits?

Yes, students and educators with valid .edu emails, and nonprofit employees qualify for a 30% discount on both annual and monthly plans.

Source
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