AI · head to head
Replika vs Vellum

Vellum
AI
Personalized AI assistant with persistent memory and autonomous action-taking
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Replika pricing not published on main website or pricing page; Vellum pricing varies significantly by computational tier, making budget planning difficult
- They diverge on capability: Replika covers Conversational AI, Vellum covers Persistent AI identity.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Replika and Vellum actually diverge.
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 Replika
- Conversational AI
- Memory
- Emotional support
- Voice calls
- AR features
- Mobile apps
- Ios support
- Android support
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.
Replika
- ai tools managementnot Vellum
- Workflow automationnot Vellum
- Reportingnot Vellum
Vellum
- Personal productivity automation across email and calendarnot Replika
- CRM updates and pipeline managementnot Replika
- Expense report generation and managementnot Replika
- Document drafting and content creationnot Replika
- Meeting scheduling and calendar coordinationnot Replika
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Replika
- Pricing not published on main website or pricing page
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
Replika
Free- FreeFree
- Basic conversations
- Memory
- Pro$7.99/month
- All features
- Voice calls
- AR
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 Replika if
- You need conversational ai.
- You want to start without paying.
- You work on Ios, Android, Web.
- You also want memory.
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.
Questions people ask
- Is Replika or Vellum better?
- Neither clearly leads. Replika 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, Replika or Vellum?
- Replika starts at Free and Vellum at Free.
- Does Replika or Vellum run on more platforms?
- Replika runs on Ios, Android, Web. Vellum runs on Web, macOS, iOS, Slack, Telegram, Terminal.
- Can I use Replika for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Replika best used for?
- Replika is most often used for ai tools management, workflow automation, reporting. Of those, ai tools management and workflow automation are not what Vellum is typically brought in for.
- What can Replika do that Vellum cannot?
- Replika covers Conversational AI, Memory, Emotional support, Voice calls. Vellum covers Persistent AI identity, Long-term memory, Email automation, Calendar management.
Answered from the vendors’ own pages
Replika: How much does Replika cost?
Replika does not publish specific pricing information on its website. The app directs users to get the application, suggesting a subscription model exists, but pricing tiers and costs are not disclosed on the public site.
SourceVellum: 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.
SourceVellum: 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.
SourceVellum: 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.
SourceRelated pages
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- Vellum vs Character.AI
- Vellum vs D-ID
- Vellum vs Fathom
- Vellum vs Pika
- Vellum vs Anthropic API
- Vellum vs Pi
- Vellum vs LOVO
- Vellum vs Stable Diffusion
- Vellum vs Copy.ai
- Vellum vs Lindy
- Vellum vs HeyGen
- Vellum vs Play.ht
- Vellum vs Rev
- Vellum vs Rytr
- Vellum vs Sourcegraph Cody
- Vellum vs Tabnine
- Vellum vs Verbit
- Vellum vs Copilotly
- Vellum vs Gumloop
- Vellum vs ChatGPT
- Vellum vs Wordtune
- Vellum vs Manus
- Vellum vs Deepgram
- Vellum vs Cartesia

