PolyAI vs Rasa

PolyAI — Application · Private · Undisclosed · 1 of 1 figure sourced  |  Rasa — Application · Private · Early-stage · 2 of 2 figures sourced

Relationship

Dialog Studio and Rasa Platform do comparable work on customer support and voice agent; scale not recorded for either.

Assembled from the recorded fields for this pair, not hand-checked. The comparison below is read from each company’s own profile.

3 shared capabilitiesShared product type

3 shared capabilities — Across all their products, both list agent orchestration, customer support and voice agent.

Ludbee capability tags · every product each company sells

Shared product type — Both ship agent platform.

Ludbee product records

Aligned comparison

FieldPolyAIRasa
StageUndisclosedEarly-stage
Founded20172016 1 yr earlier
StatusPrivatePrivate match
CategoryApplicationApplication match
Stack layerAI agent, Agent platformAgent platform, Application, Platform
HeadquartersLondon, United Kingdom—

Capability overlap

Shared · 3

Agent orchestrationCustomer supportVoice agent

Not verified for Rasa · 1

Evaluation and observability

Recorded for PolyAI. Rasa’s product records say nothing either way — a missing record is not a missing capability.

Rasa has no capability PolyAI lacks, among the 3 recorded here.

Products, side by side

Algorithmic pairing — assembled from recorded fields, not hand-checked

PolyAI

Agent platform

Dialog StudioAgent platform

Self-serve platform for building, testing and deploying voice and chat customer-service agents on PolyAI's own models, through a visual studio, a Python ADK and CLI, REST APIs and hosted MCP servers.

Rasa

Agent platform

Rasa PlatformAgent platform

Platform for product and engineering teams to build, test, deploy and govern their own customer-facing AI agents across voice and text channels, with a free developer edition.

Rasa VoiceAgent platform

Rasa Voice provides infrastructure for real-time voice agents with turn-taking, interruptions, and rephrasing.

No counterpart

PolyAI sells these in a stack layer with no product recorded for Rasa yet — nothing on the other side to compare them against.

AI agent

PolyAI dialog agentsAI agent

Voice and chat dialog agents that handle an enterprise's customer calls and messages end to end, built and optimised on PolyAI's Wren and Dialog Studio tooling.

WrenAI agent

Natural-language agent inside PolyAI's Dialog Studio that builds a customer-service agent's flows and prompts from a description, writes and runs simulation tests, answers questions over real call transcripts and drafts fixes when live calls fail.

Rasa sells these in a stack layer with no product recorded for PolyAI yet — nothing on the other side to compare them against.

Application

Rasa StudioApplication

Self-hosted no-code workspace where non-developers visually build Rasa assistant flows, manage response content and test changes, exporting the assistant as code for the development team.

Platform

CALMPlatform

Rasa's dialogue engine (Conversational AI with Language Models): an LLM interprets what the user wants while versioned, deterministic flows decide what the agent does, with built-in repair when users change topic or backtrack.

MantlePlatform

Orchestrator at the core of the Rasa Platform that runs agents written as natural-language skills: it picks the active skill, hands off between skills, calls tools, keeps memory, and enforces guarantees such as required values or exact wording, on chat and voice alike.