Softwr

Automation Integration · head to head

Blue Prism vs Letta

Blue Prism logo

Blue Prism

Automation Integration

The digital exchange for intelligent automation

From
$1000/month
Rated
-
Full reviewWebsite
Letta logo

Letta

Automation Integration

Machines that learn

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Letta has a free tier, so it costs nothing to try first.
  • Each has a real cost: Blue Prism no pricing displayed on the vendor homepage; Letta free tier limited to 3 stateful agents
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Blue Prism and Letta actually diverge.

Attributes where Blue Prism and Letta differ
AttributeBlue PrismLetta
Starting price$1000/monthFree
Pricing modelsubscriptionfreemium
Free tierNoYes
PlatformsWeb, DesktopWeb
Founded2001Unknown

Identical on both: user rating (Not yet rated), category (Automation Integration).

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 Blue Prism

  • RPA platform
  • Intelligent automation
  • Robotic workers
  • Process intelligence
  • Monitoring
  • Analytics
  • Scalability
  • 100+ connectors

Only in Letta

Nothing recorded that Blue Prism does not also cover.

What people use each for

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

Blue Prism

  • Workflow Automationnot Letta
  • Data Integrationnot Letta
  • Process Automationnot Letta
  • App Integrationnot Letta
  • API Connectivitynot Letta

Letta

  • Building agents with memory for continuous learningnot Blue Prism
  • Enabling reflection during idle periods via sleep-computenot Blue Prism
  • Managing agent context and extracting learningsnot Blue Prism

Where each one falls short

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

Blue Prism

  • No pricing displayed on the vendor homepage
  • Enterprise automation platform typically requires custom pricing and implementation agreements

Letta

  • Free tier limited to 3 stateful agents
  • Pro tier capped at 20 stateful agents
  • API Plan usage charges apply beyond base tier

Pricing, plan by plan

Blue Prism

$1000/month
  • Starter$1000/month
    • 1 bot
    • Basic features
  • Professional$3000/month
    • 5 bots
    • Advanced features
  • Enterprise$10000/month
    • Unlimited bots
    • Dedicated support

Letta

Free
  • FreeFree
    • Limited agents
    • Limited Letta Auto usage
    • Bring your own API keys
  • Pro$20/month
    • Weekly and monthly Letta Auto quota
    • Pay-as-you-go overage
    • Up to 20 stateful agents
  • API Plan$20/month
    • Unlimited agents
    • $0.10/active agent/month
    • $0.00015/second for tool execution
  • Teams Pro$20/month
    • Per seat pricing
    • Add teammates
    • Letta Auto quota

Which should you pick?

Choose Blue Prism if

  • You need rpa platform.
  • You work on Web, Desktop.
  • You also want intelligent automation.
Blue Prism review

Choose Letta if

  • You want to start without paying.
Letta review

Questions people ask

Is Blue Prism or Letta better?
Neither clearly leads. Blue Prism starts at $1000/month and Letta at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Blue Prism or Letta?
Letta has a free tier; the other does not. Paid plans start at $1000/month for Blue Prism and Free for Letta.
Does Blue Prism or Letta run on more platforms?
Blue Prism runs on Web, Desktop. Letta runs on Web.
Can I use Letta for free?
Yes. Letta has a free tier, so you can try it without paying. Blue Prism starts at $1000/month.
What is Blue Prism best used for?
Blue Prism is most often used for workflow automation, data integration, process automation, app integration. Of those, workflow automation and data integration are not what Letta is typically brought in for.
What can Blue Prism do that Letta cannot?
Blue Prism covers RPA platform, Intelligent automation, Robotic workers, Process intelligence.

Answered from the vendors’ own pages

Blue Prism: How much does SS&C Blue Prism cost?

SS&C Blue Prism does not publish pricing on their website. Platform pricing is customized based on deployment requirements, number of users, and selected modules. Organizations should contact their sales team or schedule a free trial to discuss pricing.

Source
Letta: How much does Letta cost?

Letta offers a free tier, then Pro plan at $20/month with up to 20 stateful agents, API Plan at $20/month base plus usage charges ($0.10/active agent/month, $0.00015/second for tool execution), and Teams Pro at $20/seat/month.

Source
Letta: How many agents can I create on the free plan?

The free tier is limited to 3 stateful agents. Pro plan allows up to 20 stateful agents, while API Plan offers unlimited agents.

Source
Letta: Does Letta charge for tool execution?

On the API Plan, Letta charges $0.00015 per second for tool execution. The Pro and Teams Pro plans include execution in their monthly fee.

Source
Share

Related pages

More on Blue Prism

More on Letta

Keep looking

Other head to heads