LangChain vs LlamaIndex Inc.
LangChain vs LlamaIndex Inc., compared side by side on 16 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 LlamaIndex Inc. on 39/100.
Where each one leads
LangChain
- our overall score: 76/100 against 39/100
LlamaIndex Inc.
Leads on none of the measures we hold for both companies.
At a glance
| Measure | LangChain | LlamaIndex Inc. |
|---|---|---|
| What it is | The platform for building reliable AI agents and LLM applications. | Company |
| Category | Agentic AI, AI Agent, Foundation Model, Large Language Model | Foundation Model, Retrieval Augmented Generation, RAG, LLM |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2022 | 2022 |
| Headquarters | San Francisco, United States | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | LangChain | LlamaIndex Inc. |
|---|---|---|
| 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 | LlamaIndex Inc. |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 76/100 | 39/100 |
| Traction | 60/100 | Not published |
| Team | 70/100 | 40/100 |
| Community | 20/100 | Not published |
| Search visibility | 84/100 | 13/100 |
| Quality | 83/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (42/100) | D (43/100) |
| Domain ratingLink authority, 0-100 | 86/100 | 81/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | LangChain | LlamaIndex Inc. |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Cloudflare | Vercel |
| CMS | Webflow | Not detected |
| Analytics | Google Tag Manager, Plausible | Not detected |
| Open source | Yes | Yes |
| Self-hostable | No | Yes |
LangChain vs LlamaIndex Inc.: common questions
Which is better, LangChain or LlamaIndex Inc.?
On our 0-100 score LangChain rates higher (76/100 against 39/100). 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 16 data points above: read the rows that match what you are buying for.
How do LangChain and LlamaIndex Inc. compare on the numbers?
LangChain leads on our overall score (76/100 against 39/100).
Read the full LangChain review and pricing or the LlamaIndex Inc. review and pricing. You can also browse other LangChain alternatives we track.