Conversational AI platform for trustworthy text- and voice-based AI agents
Key Features
Multi-Agent
Single Agent
Human-in-the-Loop
Streaming
Async Support
Type Safe
Short-Term Memory
Long-Term Memory
Shared Memory
Plugin System
Custom Tools
MCP Protocol
A2A Protocol
Code Execution
Web Browsing
File System Access
Sandboxing
Guardrails
Structured Output
DAG Workflows
Visual Builder
CLI
API Server
Self-Hosted
Cloud Hosted
Community Feedback
Strengths
- Mature ecosystem
- Strong NLU capabilities
- CALM hallucination resistance
- Large community
Weaknesses
- OSS now in maintenance mode (active dev on Rasa Pro commercial)
- Steep learning curve
- CALM requires rethinking existing approaches
Rasa Details
| Organization | Rasa |
| Organization Type | Company |
| Funding | Series b+ |
| Category | Framework |
| Subcategory | Conversational |
| Deployment | Hybrid |
| Primary Language | Python |
| Runtime | Python 3.9+ |
| License | Apache-2.0 |
| Commercial Use | Permissive |
| Install Command | pip install rasa |
| GitHub Stars | 21,100 |
| GitHub Forks | 4,900 |
| Contributors | 750 |
| Release Cadence | Monthly |
| Maturity | Mature |
| Pricing Model | Open core |
| Free Tier | Apache-2.0 OSS in maintenance mode |
| Self-Hosted Free | Yes |
| Community Size | Large (21k stars, 15k forum, 750+ contributors) |
| Community Activity | Active |
| Sentiment | Positive |
| GPU Required | No |
| Confidence | High |
| Research Date | 2026-03-24 |
Use Cases
- Enterprise chatbots
- Voice assistants
- Customer support automation
- Hallucination-resistant conversational AI
Similar Tools
DialogflowRasa self-hostable/open-source, Dialogflow Google-managed
BotpressRasa NLU-focused, Botpress visual-builder-focused
When to Use
Best for: Enterprise conversational AI needing hallucination resistance and self-hosting
Avoid when: Need free actively developed open-source (Pro is commercial)
Original data from HuggingFace, OpenCompass and various public git repos.
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Release v20260324