Agentic Index
Akka vs Kestra (2026)
Both score 12 of 14 running agent workloads reliably and they express work differently. That verdict is the Agentic Index coverage score, graded from each vendor's own published materials.
Akka builds and runs multi agent systems on a durable distributed runtime, unifying orchestration, agents, memory and streaming in one software development kit, open source core under a business source licence converting to Apache. Kestra is event driven orchestration unifying data, AI, infrastructure and business workflows behind declarative YAML, with AI native agents, human in the loop approvals and more than twelve hundred plugins. Akka is code first with a real runtime underneath; Kestra is declarative with enormous integration breadth.
This comparison is published by Agentic Index, an independent agentic AI vendor research platform. Akka and Kestra are each graded against the same 14 capability Agentic Index taxonomy, from the vendor's own public materials under the Agentic Index verification standard, alongside 969 researched vendors. No vendor pays for placement and no vendor has reviewed this page. How this evidence is graded
Choose Akka if
- A durable distributed runtime is the reliability foundation you actually need.
- Orchestration, memory and streaming in one software development kit is the consolidation.
- Your engineers want to express agents in code, not configuration.
Choose Kestra if
- Twelve hundred plugins is the integration breadth your estate requires.
- Human in the loop approvals built in is the governance you need.
- Declarative YAML is readable by people who will never write Scala or Java.
| At a glance | Akka | Kestra |
|---|---|---|
| Category | Multi-agent platform | Agent infrastructure |
| Entry price | Open source core under BSL (converts to Apache v2 after 36 months); commercial and enterprise use is sales led with no public pricing. All agentic components are included in the Akka license. | Free open source edition; Enterprise Edition license and Kestra Cloud are quoted through sales with no published rates |
| Free / trial | Open source BSL core available; POC offered in 48 hours | The open source edition is free forever, self hosted on Docker or Kubernetes |
| Pricing confidence | contact only | contact only |
| Feature | A Akka |
K Kestra |
|---|---|---|
| Action & orchestration | ||
|
Integrations & Tool Calling Ability to connect agents to real systems through native integrations, OAuth-authenticated actions, custom tools, APIs, webhooks, or MCP-compatible tools. |
Full / Explicit | Full / Explicit |
|
Workflow Orchestration Ability to sequence, branch, retry, route, and combine deterministic workflow nodes with autonomous agent steps. |
Full / Explicit | Full / Explicit |
|
Triggers & Channel Coverage How agents wake up and where they work: schedules, webhooks, message events, CRM events, inbox events, chat, email, voice, and collaboration tools. |
Full / Explicit | Full / Explicit |
| Knowledge & context | ||
|
Knowledge Grounding & RAG Ability to ground agent behavior in company data through document ingestion, retrieval, external knowledge APIs, semantic search, or RAG layers. |
Partial | Partial |
|
Memory & State Persistence Ability to persist context across a run, conversation, workflow, user, team, or longer-term memory layer. |
Full / Explicit | Full / Explicit |
| Control & trust | ||
|
Human Oversight & Guardrails Approval steps, consent checkpoints, escalation rules, structured guardrails, policy constraints, and pause/resume controls. |
Full / Explicit | Full / Explicit |
|
Security, Identity & Governance RBAC, SSO, auditability, encryption, least-privilege tool access, compliance posture, and data handling policy. |
Full / Explicit | Full / Explicit |
|
Observability & Auditability Traces, logs, execution histories, metrics, audit events, and debugging detail for production agent behavior. |
Full / Explicit | Full / Explicit |
|
Deployment & Data Residency Deployment modes and options, including SaaS, dedicated cloud, VPC, on-prem, hybrid, local runtime, and self-hosting. |
Full / Explicit | Full / Explicit |
| Solution readiness | ||
|
Prebuilt Agents, Templates & Packs Ready-made workflows, packaged employees, templates, blueprints, industry solutions, and role-specific agents that reduce time-to-value. |
Partial | Full / Explicit |
| Platform extensibility | ||
|
Model Flexibility & Routing Ability to work across multiple foundation models, route tasks to different models, or let buyers bring their own providers and keys. |
Full / Explicit | Full / Explicit |
|
APIs, SDKs & MCP Extensibility Composability layer: stable APIs, SDKs, MCP tool consumption/serving, custom tools, and integration into internal systems. |
Full / Explicit | Full / Explicit |
|
Testing, Debugging & Optimization Testing, debugging, scoring, retries, fallbacks, quality gates, and optimization loops for improving agent workflows before and after deployment. |
Full / Explicit | Partial |
| Specialist automation | ||
|
Browser & Computer Use Browser, desktop, or remote/local computer control for workflows that cannot be handled through stable APIs alone. |
No / Not documented | No / Not documented |
Pricing snapshot
Sourced from the Index pricing dataset · open each vendor's profile for full detail.
| Pricing | A Akka |
K Kestra |
|---|---|---|
|
Entry price Lowest public entry point |
Open source core under BSL (converts to Apache v2 after 36 months); commercial and enterprise use is sales led with no public pricing. All agentic components are included in the Akka license. | Free open source edition; Enterprise Edition license and Kestra Cloud are quoted through sales with no published rates |
|
Pricing confidence How public the numbers are |
Contact only | Contact only |
|
Billing Primary billing axis |
compute cores or platform license (not publicly disclosed) | license fees on top of a free open source core, scoped by organization size and features, plus usage based pricing on the managed Kestra Cloud |
|
Variable cost Workload / overage exposure |
Medium variable cost | Medium variable cost |
|
Free tier / trial Try before you buy |
Free tierTrial
|
Free tier
|
|
Buying motion Self-serve vs sales call |
Mixed | Mixed |
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