LangChain vs Stellar Os
LangChain vs Stellar Os, compared side by side on 8 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: LangChain is on 76/100 and Stellar Os on 9/100.
Where each one leads
LangChain
- our overall score: 76/100 against 9/100
Stellar Os
Leads on none of the measures we hold for both companies.
At a glance
| Measure | LangChain | Stellar Os |
|---|---|---|
| What it is | The platform for building reliable AI agents and LLM applications. | AI-powered operating system for autonomous agents and workflows. |
| Category | Agentic AI, AI Agent, Foundation Model, Large Language Model | Agentic AI, AI Agent, Foundation Model, AI Infrastructure |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2022 | Not published |
| Headquarters | San Francisco, United States | Not published |
| Status | Active | Active |
Size, funding and growth
| Measure | LangChain | Stellar Os |
|---|---|---|
| Employees | 312 | Not published |
| Headcount growthLast 12 months | +260.4% | Not published |
| Total funding | $260M | Not published |
| Valuation | $1K | Not published |
| LinkedIn followers | 514,641 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | LangChain | Stellar Os |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 76/100 | 9/100 |
| Traction | 60/100 | Not published |
| Team | 70/100 | Not published |
| Community | 20/100 | Not published |
| Search visibility | 84/100 | Not published |
| Quality | 83/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (42/100) | F (38/100) |
| Domain ratingLink authority, 0-100 | 86/100 | Not published |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | LangChain | Stellar Os |
|---|---|---|
| CDN | Cloudflare | Not detected |
| CMS | Webflow | Not detected |
| Frameworks | Not detected | Next.js, Tailwind CSS |
| Analytics | Google Tag Manager, Plausible | Not detected |
| Open source | Yes | No |
LangChain vs Stellar Os: common questions
Which is better, LangChain or Stellar Os?
On our 0-100 score LangChain rates higher (76/100 against 9/100). 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 8 data points above: read the rows that match what you are buying for.
How do LangChain and Stellar Os compare on the numbers?
LangChain leads on our overall score (76/100 against 9/100).
Read the full LangChain review and pricing or the Stellar Os review and pricing. You can also browse other LangChain alternatives we track.

