LangChain vs Patronus AI
LangChain vs Patronus AI, 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 Patronus AI on 62/100.
Where each one leads
LangChain
- our overall score: 76/100 against 62/100
- agent readiness: 42/100 against 21/100
- domain rating: 86/100 against 62/100
- headcount: 312 against 53
- funding raised: $260M against $11.0M
- LinkedIn following: 514,641 against 8,486
Patronus AI
Leads on none of the measures we hold for both companies.
At a glance
| Measure | LangChain | Patronus AI |
|---|---|---|
| What it is | The platform for building reliable AI agents and LLM applications. | AI evaluation and optimization platform for shipping top-tier AI products. |
| Category | Agentic AI, AI Agent, Foundation Model, Large Language Model | Agentic AI, AI Agent, AI Testing, AI Observability |
| 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 | Patronus AI |
|---|---|---|
| Employees | 312 | 53 |
| Headcount growthLast 12 months | +260.4% | Not published |
| Total funding | $260M | $11.0M |
| Latest round | Not published | Series B |
| Valuation | $1K | Not published |
| LinkedIn followers | 514,641 | 8,486 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | LangChain | Patronus AI |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 76/100 | 62/100 |
| Traction | 60/100 | 53/100 |
| Team | 70/100 | 70/100 |
| Community | 20/100 | Not published |
| Search visibility | 84/100 | 46/100 |
| Quality | 83/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (42/100) | F (21/100) |
| Domain ratingLink authority, 0-100 | 86/100 | 62/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | LangChain | Patronus AI |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | Webflow | Webflow |
| Analytics | Google Tag Manager, Plausible | Google Tag Manager |
| Open source | Yes | No |
Product and pricing
| Measure | LangChain | Patronus AI |
|---|---|---|
| Key features | Not published | Patronus Evaluators, Patronus Experiments, Patronus Logs, Patronus Comparisons, Patronus Datasets, Patronus Traces |
LangChain vs Patronus AI: common questions
Which is better, LangChain or Patronus AI?
On our 0-100 score LangChain rates higher (76/100 against 62/100). 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 Patronus AI compare on the numbers?
LangChain leads on our overall score (76/100 against 62/100), agent readiness (42/100 against 21/100), domain rating (86/100 against 62/100), headcount (312 against 53), funding raised ($260M against $11.0M), LinkedIn following (514,641 against 8,486).
Read the full LangChain review and pricing or the Patronus AI review and pricing. You can also browse other LangChain alternatives we track.

