Botpress vs Langflow vs Rasa vs Voiceflow
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Botpress
AI customer support agents and helpdesk, billed per conversation
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Langflow
Open-source drag-and-drop builder for agents, RAG and MCP
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Rasa
Self-hosted agent platform with deterministic flows around LLMs
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Voiceflow
Visual AI agent builder for customer service across chat, voice and ph...
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| RECATOOLS Score | 7 / 10 | 7.4 / 10 | 7.3 / 10 | 7.3 / 10 |
| Capability | ||||
| Value for money | ||||
| Ease of use | ||||
| ASEAN readiness | ||||
| API quality | ||||
| Pricing | Freemium | Open Source | Freemium | Freemium |
| Free tier | Free: 100 conversations, 3 seats and 3 AI agents, with no top-ups or overages | Free and open source (MIT): self-host via pip, uv or Docker, or download the free Langflow Desktop app for macOS and Windows | Free Developer Edition licence: one bot per company, up to 1,000 external or 100 internal conversations a month | Free plan for trying Voiceflow: limited features and a one-time credit grant that does not renew, not meant for production |
| Paid from | $150/month (Plus, billed annually; $189 billed monthly; 250 conversations) | — | Enterprise quoted on request | Not published (Pro, Business and Enterprise prices are shown only inside the app) |
| Has API | ✓ | ✓ | ✓ | ✓ |
| Open source | ✓ | ✓ | ✓ | ✗ |
| Free to use | ✓ | ✓ | ✓ | ✓ |
| Users | 750k+ developers | — | 50000+ developers | 250k+ designers and developers |
| Founded | 2017 | 2023 | 2016 | 2018 |
| Maker | Sylvain Paquette, Dany Fortin | IBM (via its DataStax acquisition) | Alan Nichol, Alex Weidauer | Braden Ream, Michael Hood, Andrew Lawrence |
| Verdict | Botpress is now a hosted AI support platform, not the self-hosted open-source framework older reviews describe. Its agents can take real actions, Desk can stand in for a helpdesk, and per-conversation pricing with bundle... |
Langflow lets you wire up an agent, a RAG pipeline or an MCP server by dragging components on a canvas, drop into Python where the canvas runs out, and serve the result as an API. It is MIT-licensed, actively maintained... |
Rasa suits teams that must own their conversational stack: self-hosted deployment, deterministic flows for the steps that cannot go wrong, and enterprise controls such as SSO, role-based access and PII handling. The Mant... |
Voiceflow's collaborative canvas is still its strength: designers, CX leads and engineers build the same agent, mixing autonomous Playbooks with locked-down Workflows, picking models per step and checking results with bu... |
| Full review → | Full review → | Directory listing → | Full review → |
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.