Softwr

Video Production · head to head

Captions vs Vellum

Captions logo

Captions

Video Production

AI video editor that automates post-production at scale

From
Free
Rated
-
Full reviewWebsite
Vellum logo

Vellum

AI

Personalized AI assistant with persistent memory and autonomous action-taking

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Captions credit rollover limited to 3x monthly maximum, forcing spending within quarters; Vellum pricing varies significantly by computational tier, making budget planning difficult
  • They diverge on capability: Captions covers AI Edit, Vellum covers Persistent AI identity.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Captions and Vellum actually diverge.

Attributes where Captions and Vellum differ
AttributeCaptionsVellum
Pricing modelUnknownFreemium with paid plans and pay-as-you-go credits
PlatformsWeb, iOS, AndroidWeb, macOS, iOS, Slack, Telegram, Terminal
CategoryVideo ProductionAI

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

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 Captions

  • AI Edit
  • Auto-Captions
  • AI Avatars
  • Eye Contact Correction
  • Background Noise Removal
  • Pause Trimming
  • Text-to-Edit
  • Royalty-Free Music

Only in Vellum

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

What people use each for

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

Captions

  • Rapid video production for social media content at scalenot Vellum
  • Converting long-form recordings into short-form clipsnot Vellum
  • Adding captions and translations for global audience reachnot Vellum
  • Cleaning up podcast and interview audio automaticallynot Vellum
  • Building library of branded videos with consistent stylingnot Vellum

Vellum

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

Where each one falls short

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

Captions

  • Credit rollover limited to 3x monthly maximum, forcing spending within quarters
  • Free plan provides limited editing capability, requiring immediate paid upgrade
  • Minimum 3-day refund window and 10-20 percent credit usage threshold restricts refunds
  • Per-credit pricing model increases costs for high-volume video production
  • Enterprise plan requires custom negotiation with no transparent pricing

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

Pricing, plan by plan

Captions

Free
  • FreeFree
    • Basic editing tools
    • Trim functionality
    • Transitions
  • Max$24.99/month
    • 500 AI credits per month
    • AI Edit styles
    • Digital twins and custom AI actors
  • Scale 1x$69.99/month
    • 1,400 AI credits per month
    • Everything in Max
    • Sophisticated generative AI model access
  • Scale 2x$139.99/month
    • 2,800 AI credits per month
    • Everything in Max
    • Sophisticated generative AI model access

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

Which should you pick?

Choose Captions if

  • You need ai edit.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want auto-captions.
Captions review

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

Questions people ask

Is Captions or Vellum better?
Neither clearly leads. Captions starts at Free and Vellum at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Captions or Vellum?
Captions starts at Free and Vellum at Free.
Does Captions or Vellum run on more platforms?
Captions runs on Web, iOS, Android. Vellum runs on Web, macOS, iOS, Slack, Telegram, Terminal.
Can I use Captions for free?
Both have a free tier, so you can try either at no cost before committing.
What is Captions best used for?
Captions is most often used for rapid video production for social media content at scale, converting long-form recordings into short-form clips, adding captions and translations for global audience reach, cleaning up podcast and interview audio automatically. Of those, rapid video production for social media content at scale and converting long-form recordings into short-form clips are not what Vellum is typically brought in for.
What can Captions do that Vellum cannot?
Captions covers AI Edit, Auto-Captions, AI Avatars, Eye Contact Correction. Vellum covers Persistent AI identity, Long-term memory, Email automation, Calendar management.

Answered from the vendors’ own pages

Captions: What is the price of the Max plan?

The Max plan costs $24.99 per month and includes 500 AI credits per month, AI Edit styles, digital twins, chat-based editor, and custom B-roll.

Source
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
Captions: How many languages are supported for captions?

Captions supports 100+ languages for auto-caption generation with 100+ caption style options.

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
Captions: Can I use Captions on mobile devices?

Yes, Captions is available on iOS App Store and Google Play for mobile editing, along with the web-based editor.

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
Captions: What does the Scale pricing tier include?

Scale plans offer 1,400, 2,800, or 5,600 AI credits per month at $69.99, $139.99, and $279.99 respectively, with everything in Max plus access to sophisticated generative AI models.

Source
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