Automation Integration · head to head
Kogito vs Letta

Kogito
Automation Integration
Cloud-native business automation for Quarkus, now an Apache KIE component
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Kogito kogito is a developer framework, not a product, so there is no equivalent of Camunda Operate for business users and any process monitoring interface has to be built or bought separately.; Letta free tier limited to 3 stateful agents
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which Kogito and Letta actually diverge.
Identical on both: starting price (Free), free tier (Yes), 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 Kogito
- Build-time code generation
- Quarkus and Spring Boot support
- DMN decision services
- Drools rules engine
- Serverless workflow
- Kubernetes operator
Only in Letta
Nothing recorded that Kogito does not also cover.
What people use each for
The jobs each tool is most often brought in to do.
Kogito
- A Quarkus microservice that must expose a DMN decision model as a REST endpoint with millisecond start-upnot Letta
- Serverless deployment of business rules where a traditional BPM server would be far too heavynot Letta
- A Red Hat shop that wants the upstream of Red Hat process automation with the option of a supported build laternot Letta
- Replacing hand-coded conditional logic with DMN tables that business analysts can review and amendnot Letta
Letta
- Building agents with memory for continuous learningnot Kogito
- Enabling reflection during idle periods via sleep-computenot Kogito
- Managing agent context and extracting learningsnot Kogito
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Kogito
- Kogito is a developer framework, not a product, so there is no equivalent of Camunda Operate for business users and any process monitoring interface has to be built or bought separately.
- Long-running stateful processes need external persistence and messaging that you configure and operate yourself, which removes much of the convenience a BPM server normally provides.
- It sits inside the Apache KIE incubator, and incubating status means graduation is not guaranteed and the project name and artefact coordinates have already changed once.
- Red Hat is by far the dominant contributor despite ASF stewardship, so the roadmap follows Red Hat product priorities rather than community demand.
- Documentation is spread across legacy JBoss sites, the old Kogito site and the new Apache KIE site, and search results routinely land on outdated versions, which costs real time during adoption.
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
Kogito
Free- KogitoFree
- Apache 2.0 licence
- Apache KIE incubating project
- No usage limits
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 Kogito if
- You need build-time code generation.
- You want to start without paying.
- You work on Linux, Docker, Kubernetes.
- You also want quarkus and spring boot support.
Questions people ask
- Is Kogito or Letta better?
- Neither clearly leads. Kogito starts at Free and Letta at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Kogito or Letta?
- Kogito starts at Free and Letta at Free.
- Does Kogito or Letta run on more platforms?
- Kogito runs on Linux, Docker, Kubernetes. Letta runs on Web.
- Can I use Kogito for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Kogito best used for?
- Kogito is most often used for a quarkus microservice that must expose a dmn decision model as a rest endpoint with millisecond start-up, serverless deployment of business rules where a traditional bpm server would be far too heavy, a red hat shop that wants the upstream of red hat process automation with the option of a supported build later, replacing hand-coded conditional logic with dmn tables that business analysts can review and amend. Of those, a quarkus microservice that must expose a dmn decision model as a rest endpoint with millisecond start-up and serverless deployment of business rules where a traditional bpm server would be far too heavy are not what Letta is typically brought in for.
- What can Kogito do that Letta cannot?
- Kogito covers Build-time code generation, Quarkus and Spring Boot support, DMN decision services, Drools rules engine.
Answered from the vendors’ own pages
Kogito: Is Kogito still maintained?
Yes. It is an Apache KIE incubating project with active commits, with Red Hat as the dominant contributor.
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.
SourceKogito: How does it differ from jBPM?
Kogito compiles process and rule definitions into application code at build time; jBPM was a runtime engine that loads definitions.
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.
SourceKogito: Does it need Quarkus?
It is designed for Quarkus and supports Spring Boot; both are Java frameworks rather than a standalone server.
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.
SourceKogito: Is there commercial support?
Not from Apache. Red Hat sells supported builds of this lineage as part of its subscriptions.
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