CopilotKit vs LangChain
CopilotKit vs LangChain, compared side by side on 21 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: CopilotKit is on 63/100 and LangChain on 76/100.
Where each one leads
CopilotKit
- agent readiness: 70/100 against 42/100
- headcount growth: +500.0% against +260.4%
LangChain
- our overall score: 76/100 against 63/100
- domain rating: 86/100 against 69/100
- headcount: 312 against 34
- funding raised: $260M against $42.0M
- LinkedIn following: 514,641 against 15,649
At a glance
| Measure | CopilotKit | LangChain |
|---|---|---|
| What it is | Enterprise Agentic Frontend Stack for building generative UIs and fullstack agentic applications. | The platform for building reliable AI agents and LLM applications. |
| Category | Agentic AI, AI Agent, Foundation Model, Generative AI | Agentic AI, AI Agent, Foundation Model, Large Language Model |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2023 | 2022 |
| Headquarters | San Francisco, United States | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | CopilotKit | LangChain |
|---|---|---|
| Employees | 34 | 312 |
| Headcount growthLast 12 months | +500.0% | +260.4% |
| Total funding | $42.0M | $260M |
| Latest round | Series A | Not published |
| Valuation | Not published | $1K |
| LinkedIn followers | 15,649 | 514,641 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | CopilotKit | LangChain |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 63/100 | 76/100 |
| Traction | 54/100 | 60/100 |
| Team | 60/100 | 70/100 |
| Community | 20/100 | 20/100 |
| Search visibility | 48/100 | 84/100 |
| Quality | 68/100 | 83/100 |
| Agent readinessHow well an AI agent can read and act on the site | B (70/100) | D (42/100) |
| Domain ratingLink authority, 0-100 | 69/100 | 86/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | CopilotKit | LangChain |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Vercel | Cloudflare |
| CMS | Not detected | Webflow |
| Frameworks | Next.js, Tailwind CSS | Not detected |
| Analytics | Not detected | Google Tag Manager, Plausible |
| Open source | Yes | Yes |
What users say
| Measure | CopilotKit | LangChain |
|---|---|---|
| Community ratingVisitor votes on StartupHub | 5.0/5 from 1 vote | Not published |
CopilotKit vs LangChain: common questions
Which is better, CopilotKit or LangChain?
On our 0-100 score LangChain rates higher (76/100 against 63/100). 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 21 data points above: read the rows that match what you are buying for.
How do CopilotKit and LangChain compare on the numbers?
CopilotKit leads on agent readiness (70/100 against 42/100), headcount growth (+500.0% against +260.4%). LangChain leads on our overall score (76/100 against 63/100), domain rating (86/100 against 69/100), headcount (312 against 34), funding raised ($260M against $42.0M), LinkedIn following (514,641 against 15,649).
Read the full CopilotKit review and pricing or the LangChain review and pricing. You can also browse other CopilotKit alternatives we track.