Head-to-Head Comparison · Alternative to Decagon · ✨ ai assistants
Decagon vs Parlant
A conversational AI server that manages agent behavior through context-aware guidelines, keeping responses consistent, auditable, and aligned at scale. Here is how Parlant ($0/mo open source) stacks up against Decagon ($15/mo) across cost, hosting, data privacy, and real-world trade-offs.
Parlant is a verified Open Source-licensed open-source replacement for Decagon. Switching from Decagon ($15/mo) saves $180/yr per solo seat, or $900/yr for a 5-person team. Deployment: Runs on Local.
The catch: Community-driven open source project without dedicated enterprise SLAs.
Parlant
$0.00/mo · Open Source
Decagon vs Parlant Specifications
facts verified 2026-11-07
| Dimension | Decagon (Paid) | Parlant (Replacement) |
|---|---|---|
| Monthly Price | $15 / mo | $0 / mo |
| 1-Year Cost (1 seat) | $180 / yr | $0 / yr (Save $180) |
| 1-Year Cost (5 seats) | $900 / yr | $0 / yr (Save $900) |
| 1-Year Cost (10 seats) | $1,800 / yr | $0 / yr (Save $1,800) |
| Source & License | Proprietary SaaS | open source Open Source |
| Where It Runs | Vendor Cloud | Local (on your machine) |
| Platforms | Web / Cloud | desktopcross-platformone-click install |
| GitHub Stars | — | ★ 18.3k (active nov 2026) |
Deep Dive: Switching from Decagon to Parlant
Trade-offs, installation & data architecture
What you trade away
Community-driven open source project without dedicated enterprise SLAs.
How to deploy Parlant
Clone https://github.com/emcie-co/parlant or deploy with Docker Compose
What it takes to run
Download the native package or installer for your operating system.
Where your data lives
All application data lives locally on your own machine.
Why fork Parlant instead of vibe-coding a Decagon clone?
Instead of paying recurring SaaS fees for Decagon or rebuilding it from scratch, deploy one of the 5 battle-tested open-source alternatives like Parlant.
Decagon vs Parlant FAQ
Is Parlant a good free alternative to Decagon?+
Yes. Parlant is a verified open-source (Open Source) replacement for Decagon. A conversational AI server that manages agent behavior through context-aware guidelines, keeping responses consistent, auditable, and aligned at scale.
What is the catch when switching from Decagon to Parlant?+
Community-driven open source project without dedicated enterprise SLAs.
How much do you save switching from Decagon to Parlant?+
Decagon costs $15/mo ($180/yr) per seat, whereas Parlant is $0/mo. Switching saves $180/yr for a solo user, $900/yr for a 5-person team, and $1,800/yr for a 10-person team.
How do I install or self-host Parlant instead of Decagon?+
Install: Clone https://github.com/emcie-co/parlant or deploy with Docker Compose. Setup: Download the native package or installer for your operating system.
