# LangChain: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 1 judge label across 1 category by 1 of 14 models. Page: https://www.gane.ai/index/gtm/vendors/langchain

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Knowledge base and self-service](https://www.gane.ai/index/gtm/customer/knowledge-base-and-self-service/index.md) | 0% | 96 | 100% | 1 |

## And against it

- "Unvetted RAG ... (e.g., basic LangChain setups or unpatched vector DBs ...): Why cautious: Prone to "poisoning" attacks" (Grok 4.20, Knowledge base)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-5.4 mini | 0 | 0 | 0 | 0 | 0 |
| Gemini 3.5 Flash | 0 | 0 | 0 | 0 | 0 |
| Perplexity Sonar | 0 | 0 | 0 | 0 | 0 |
| Grok 4.20 | 0 | 0 | 0 | 1 | 1 |
| Mistral Small | 0 | 0 | 0 | 0 | 0 |
| DeepSeek V4 Flash | 0 | 0 | 0 | 0 | 0 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| Qwen 3.7 Flash | 0 | 0 | 0 | 0 | 0 |
| Kimi K2 | 0 | 0 | 0 | 0 | 0 |
| GLM 4.7 FlashX | 0 | 0 | 0 | 0 | 0 |
| MiniMax M2.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-6 Luna | 0 | 0 | 0 | 0 | 0 |
| Muse Glimmer 30B | 0 | 0 | 0 | 0 | 0 |

## Sources returned with these answers

The sites and pages cited by the answers that named LangChain, from 2 of the 2 answers that named it (only the models that return a source list).

### Domains cited

- ai.gov.uk: 1
- canada.ca: 1
- cmswire.com: 1
- dailystory.com: 1
- dojoai.com: 1
- gane.ai/index: 1
- groenewold-it.solutions: 1
- gryphon.ai: 1
- improvado.io: 1
- logarithmic.com: 1

### Pages cited

- https://ai.gov.uk/knowledge-hub/how-to/security: 1
- https://canada.ca/en/government/system/digital-government/online-security-privacy/identity-credential-access-management/password-guidance.html: 1
- https://cmswire.com/customer-experience/what-happens-when-you-give-marketing-agents-too-much-rope: 1
- https://dailystory.com/blog/ai-marketing-roundup-what-enterprise-teams-need-to-know-this-week-october-14-2026: 1
- https://dojoai.com/blog/state-of-ai-marketing-agents-2025: 1
- https://www.gane.ai/index/gtm/marketing/ai-marketing-agents/enterprise: 1
- https://www.gane.ai/index/gtm/marketing/content-marketing-platforms/2026-09/enterprise: 1
- https://www.gane.ai/index/gtm/marketing/marketing-automation/enterprise: 1

## What it publishes

Every page langchain.com exposes, read 2026-09-29: 2287 addresses. By kind, pages and the last 90 days:

- blog: 559 pages, 138 in the last 90 days, latest 2026-09-28
- case study: 14 pages, 0 in the last 90 days, latest undated
- webinar or virtual event: 17 pages, 6 in the last 90 days, latest 2026-09-22
- conference or event: 12 pages, 1 in the last 90 days, latest 2026-08-26
- report or ebook: 2 pages, 0 in the last 90 days, latest undated
- comparison: 12 pages, 2 in the last 90 days, latest 2026-09-10
- template or tool: 14 pages, 0 in the last 90 days, latest 2026-03-27
- glossary or explainer: 33 pages, 3 in the last 90 days, latest 2026-09-07
- podcast or video: 2 pages, 0 in the last 90 days, latest 2026-06-25
- Recent: 2026-09-28 blog: LangSmith Custom Apps: Build custom interfaces around your agent data https://www.langchain.com/blog/langsmith-custom-apps
- Recent: 2026-09-28 blog: Building prod with jev and langgraph https://www.langchain.com/blog/building-prod-with-jev-and-langgraph
- Recent: 2026-09-28 blog: Langsmith engine agents fine tuning trajectories https://www.langchain.com/blog/langsmith-engine-agents-fine-tuning-trajectories
- Recent: 2026-09-24 blog: New in LangSmith Engine: red teaming and automated testing https://www.langchain.com/blog/langsmith-engine-v2-redteam
- Recent: 2026-09-24 blog: Introducing LangSmith Fine-Tuning https://www.langchain.com/blog/langsmith-fine-tuning
- Recent: 2026-09-24 blog: Managed Deep Agents delivers a better user experience for agents in production https://www.langchain.com/blog/langsmith-managed-deep-agents-whats-new

## Record

- Method: https://www.gane.ai/index/gtm/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/gtm.