LangChain vs Protocol
LangChain vs Protocol, 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: LangChain is on 76/100 and Protocol on 47/100.
Where each one leads
LangChain
- our overall score: 76/100 against 47/100
- agent readiness: 42/100 against 36/100
- domain rating: 86/100 against 60/100
- headcount: 312 against 109
- funding raised: $260M against $3.2M
- LinkedIn following: 514,641 against 35,452
Protocol
Leads on none of the measures we hold for both companies.
At a glance
| Measure | LangChain | Protocol |
|---|---|---|
| What it is | The platform for building reliable AI agents and LLM applications. | Protocol Labs is an innovation network driving breakthroughs in computing to push humanity forward. |
| Category | Agentic AI, AI Agent, Foundation Model, Large Language Model | Agentic AI, AI Agent, Foundation Model, API Platform |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2022 | 2023 |
| Headquarters | San Francisco, United States | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | LangChain | Protocol |
|---|---|---|
| Employees | 312 | 109 |
| Headcount growthLast 12 months | +260.4% | Not published |
| Total funding | $260M | $3.2M |
| Valuation | $1K | Not published |
| LinkedIn followers | 514,641 | 35,452 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | LangChain | Protocol |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 76/100 | 47/100 |
| Traction | 60/100 | 53/100 |
| Team | 70/100 | Not published |
| Community | 20/100 | 15/100 |
| Search visibility | 84/100 | 27/100 |
| Quality | 83/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (42/100) | F (36/100) |
| Domain ratingLink authority, 0-100 | 86/100 | 60/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | LangChain | Protocol |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Cloudflare | Vercel |
| CMS | Webflow | Not detected |
| Frameworks | Not detected | Tailwind CSS |
| Analytics | Google Tag Manager, Plausible | Google Analytics 4 |
| Open source | Yes | Yes |
| Self-hostable | No | Yes |
LangChain vs Protocol: common questions
Which is better, LangChain or Protocol?
On our 0-100 score LangChain rates higher (76/100 against 47/100). 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 LangChain and Protocol compare on the numbers?
LangChain leads on our overall score (76/100 against 47/100), agent readiness (42/100 against 36/100), domain rating (86/100 against 60/100), headcount (312 against 109), funding raised ($260M against $3.2M), LinkedIn following (514,641 against 35,452).
Read the full LangChain review and pricing or the Protocol review and pricing. You can also browse other LangChain alternatives we track.