Langflow vs RelAI
Langflow vs RelAI, compared side by side on 18 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Langflow is on 32/100 and RelAI on 51/100.
Where each one leads
Langflow
- agent readiness: 50/100 against 41/100
- domain rating: 72/100 against 23/100
- headcount: 17 against 7
- LinkedIn following: 16,421 against 1,271
RelAI
- our overall score: 51/100 against 32/100
At a glance
| Measure | Langflow | RelAI |
|---|---|---|
| What it is | Low-code platform for building, iterating, and deploying AI applications, especially RAG and multi-agent systems. | An open-source platform for building, simulating, evaluating, and optimizing reliable AI agents. |
| Category | Agentic AI, AI Agent Builder, Automation, Low Code | Agentic AI, AI Agent, Foundation Model, AI Tools |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2020 | 2023 |
| Headquarters | Lisbon, Portugal | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Langflow | RelAI |
|---|---|---|
| Employees | 17 | 7 |
| Headcount growthLast 12 months | Not published | -41.5% |
| Total funding | Not published | $10.0M |
| Latest round | Not published | Seed |
| LinkedIn followers | 16,421 | 1,271 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Langflow | RelAI |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 32/100 | 51/100 |
| Traction | 13/100 | 44/100 |
| Team | 30/100 | 30/100 |
| Community | 20/100 | Not published |
| Search visibility | 44/100 | 43/100 |
| Quality | Not published | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (50/100) | D (41/100) |
| Domain ratingLink authority, 0-100 | 72/100 | 23/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Langflow | RelAI |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Vercel | Cloudflare |
| Frameworks | Next.js, Tailwind CSS | Not detected |
| Analytics | Google Analytics 4 | Not detected |
| Open source | Yes | Yes |
| Self-hostable | Yes | Yes |
Product and pricing
| Measure | Langflow | RelAI |
|---|---|---|
| Key features | Visual AI Workflow Builder, Extensive Tool & Model Support, Python Customization & Control, Rapid Iteration & Deployment, Docling Bundle for Document Processing, Windows Desktop Support | Not published |
Langflow vs RelAI: common questions
Which is better, Langflow or RelAI?
On our 0-100 score RelAI rates higher (51/100 against 32/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 18 data points above: read the rows that match what you are buying for.
How do Langflow and RelAI compare on the numbers?
Langflow leads on agent readiness (50/100 against 41/100), domain rating (72/100 against 23/100), headcount (17 against 7), LinkedIn following (16,421 against 1,271). RelAI leads on our overall score (51/100 against 32/100).
Read the full Langflow review and pricing or the RelAI review and pricing. You can also browse other Langflow alternatives we track.

