# CrewAI vs Langchain: who uses which

On usedby, 13 companies use CrewAI and 32 use Langchain. No company is listed with both yet. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-07: 45 of 45 public lines checked.

## Side by side

|  | [CrewAI](https://www.usedby.ai/tools/crewai.md) | [Langchain](https://www.usedby.ai/tools/langchain.md) |
|---|---|---|
| Public customers | 13 | 32 |
| Confirmed | 8 | 13 |
| Observed | 5 | 16 |
| Signals (job posts) | 0 | 3 |
| Top industries of customers | Consumer Goods (3), Accounting & Audit (1), DevTools & Infrastructure (1) | HR & Recruiting (4), Fintech & Payments (3), Biotech & Pharma (2) |
| Category | LLM Ops & Frameworks | LLM Ops & Frameworks |
| Security | SOC 2 Type II ([trust.crewai.com](https://trust.crewai.com/), checked 2026-10-07) | — |
| Free trial | Free trial or free plan available. ([crewai.com](https://crewai.com/pricing), checked 2026-10-07) | Free trial or free plan available. ([langchain.com](https://www.langchain.com/pricing), checked 2026-10-04) |
| Pricing | — | Developer: $0 seat per month; Plus: $39 seat per month; Enterprise: contact sales ([langchain.com](https://www.langchain.com/pricing), checked 2026-10-04) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- CrewAI: [Brickell Digital](https://www.usedby.ai/case-studies/brickell-digital-crewai.md): **80%**: “The agent lifted qualified‑lead volume by 80%” (captured by usedby 2026-10-06)
- CrewAI: [Gelato](https://www.usedby.ai/case-studies/gelato-crewai.md): **10 minutes**: “We can now integrate a new carrier in 10 minutes that used to take us 5 days.”” (captured by usedby 2026-10-06)

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Source: https://www.usedby.ai/compare/crewai-vs-langchain · How we check: https://www.usedby.ai/methodology