# How AI answer engines name LangChain

> Across 1,236 answers ChatGPT, Claude, Gemini, Perplexity and Google's AI surfaces gave to buyer questions about AI Infrastructure between May 10, 2026 and October 20, 2026, LangChain was named in 109 (8.8%).

- URL: https://paralabs.ai/brands/langchain
- Data through: October 20, 2026
- Domain profile: [langchain.com](https://machinerelations.ai/index/domains/langchain.com)

## By engine

Answers each engine gave to buyer questions in the 4 categories where LangChain was named at least 3 times, and how many of them named LangChain.

| Engine | Named | Answers | Rate |
| --- | ---: | ---: | ---: |
| ChatGPT | 8 | 812 | 1.0% |
| Claude | 25 | 824 | 3.0% |
| Gemini | 87 | 824 | 10.6% |
| Perplexity | 21 | 795 | 2.6% |
| Google AI Mode | 10 | 226 | 4.4% |
| Google AI Overviews | 5 | 76 | 6.6% |

## By question type

The same answers, split by the shape of the buyer question.

| Question type | Named | Answers | Rate |
| --- | ---: | ---: | ---: |
| Best-of | 25 | 420 | 6.0% |
| Ranked list | 37 | 419 | 8.8% |
| Head-to-head | 1 | 427 | 0.2% |
| Is it worth it | 35 | 442 | 7.9% |
| How to choose | 21 | 441 | 4.8% |
| Problem first | 23 | 418 | 5.5% |
| News | 14 | 990 | 1.4% |

## Week by week

LangChain was named in at least one answer in 15 of the 18 weeks on record; the latest was the week of October 19, 2026.

Each week's answers to buyer questions in the 4 categories where LangChain was named at least 3 times, Monday to Sunday, newest first, and how many of them named LangChain. The questions asked can differ from one week to the next.

| Week of | Named | Answers | Rate |
| --- | ---: | ---: | ---: |
| October 19, 2026 (through October 20, 2026) | 2 | 89 | 2.2% |
| October 12, 2026 | 18 | 268 | 6.7% |
| October 5, 2026 | 21 | 359 | 5.8% |
| September 28, 2026 | 19 | 336 | 5.7% |
| September 21, 2026 | 19 | 336 | 5.7% |
| July 27, 2026 | 5 | 120 | 4.2% |
| July 20, 2026 | 20 | 344 | 5.8% |
| July 13, 2026 | 23 | 388 | 5.9% |
| July 6, 2026 | 15 | 327 | 4.6% |
| June 29, 2026 | 3 | 96 | 3.1% |
| June 22, 2026 | 4 | 80 | 5.0% |
| June 15, 2026 | 0 | 105 | 0.0% |
| June 8, 2026 | 2 | 97 | 2.1% |
| June 1, 2026 | 2 | 65 | 3.1% |
| May 25, 2026 | 2 | 223 | 0.9% |
| May 18, 2026 | 1 | 222 | 0.5% |
| May 11, 2026 | 0 | 96 | 0.0% |
| May 4, 2026 (from May 10, 2026) | 0 | 6 | 0.0% |

## Named first

When an answer named LangChain alongside another brand in this record, it was named first in 61 of 140 (43.6%).

## Named alongside

- [LlamaIndex](https://paralabs.ai/brands/llamaindex): named together in 104 answers
- [Langfuse](https://paralabs.ai/brands/langfuse): named together in 45 answers
- [Cohere](https://paralabs.ai/brands/cohere): named together in 35 answers
- [Braintrust](https://paralabs.ai/brands/braintrust): named together in 14 answers
- [Dynatrace](https://paralabs.ai/brands/dynatrace): named together in 9 answers
- [Salesforce](https://paralabs.ai/brands/salesforce): named together in 9 answers
- [Glean](https://paralabs.ai/brands/glean): named together in 8 answers
- [Lakera](https://paralabs.ai/brands/lakera): named together in 8 answers

## Sources the engines cited when they named LangChain

Domains cited in answers that named LangChain, by the number of those answers that cited them.

| Domain | Answers |
| --- | ---: |
| [medium.com](https://machinerelations.ai/index/domains/medium.com) | 32 |
| [signoz.io](https://machinerelations.ai/index/domains/signoz.io) | 21 |
| [dev.to](https://machinerelations.ai/index/domains/dev.to) | 17 |
| [reddit.com](https://machinerelations.ai/index/domains/reddit.com) | 15 |
| [braintrust.dev](https://machinerelations.ai/index/domains/braintrust.dev) | 14 |
| [confident-ai.com](https://machinerelations.ai/index/domains/confident-ai.com) | 14 |
| [mlflow.org](https://machinerelations.ai/index/domains/mlflow.org) | 14 |
| [atlan.com](https://machinerelations.ai/index/domains/atlan.com) | 13 |
| [youtube.com](https://machinerelations.ai/index/domains/youtube.com) | 13 |
| [chitika.com](https://machinerelations.ai/index/domains/chitika.com) | 10 |

LangChain's own site ([langchain.com](https://machinerelations.ai/index/domains/langchain.com)) was cited in 21 of 156 (13.5%).

Across every answer run in the Machine Relations Index, not only the answers that named LangChain, langchain.com was cited in 35 of 28,201 (0.12%), by 3 of the 6 engines it observes. Its Index confidence grade is C, and the Index ranks it #694 of 32,242 cited domains and #368 of 27,839 other observed sources.

## All categories

| Category | Named | Answers | Rate |
| --- | ---: | ---: | ---: |
| AI Infrastructure | 109 | 1,236 | 8.8% |
| AI Security & Privacy | 33 | 1,331 | 2.5% |
| Enterprise AI | 8 | 501 | 1.6% |
| Infrastructure & Dev Tools | 6 | 489 | 1.2% |

## How this is measured

Names are matched case-sensitively from each brand's own homepage title, in answers stored by the Machine Relations Index. Only derived counts are published here; no answer text is. A brand appears only once it has been named in at least 10 answers on 7 separate days. A name match counts a mention. It does not count a recommendation, and it does not measure sentiment. Categories are the Index's buyer-question categories. Source: [Machine Relations Index](https://machinerelations.ai/machine-relations-index).

## FAQ

### Does ChatGPT recommend LangChain?

ChatGPT named LangChain in 8 of 812 answers (1.0%) to buyer questions in the 4 categories where LangChain was named at least 3 times between May 10, 2026 and October 20, 2026. This record counts a name, not a recommendation: it does not judge whether the answer endorsed LangChain.

### Which sources do AI engines cite when they mention LangChain?

The domains cited most often in answers that named LangChain were medium.com (32 answers), signoz.io (21 answers) and dev.to (17 answers).

### Which AI engine names LangChain most often?

Gemini, at 10.6%: it named LangChain in 87 of 824 answers to buyer questions in the 4 categories where LangChain was named at least 3 times.

## Machine-readable related links

- Primary concept: [AI brand visibility](https://paralabs.ai/brands)
- Related brand: [How AI answer engines name LlamaIndex](https://paralabs.ai/brands/llamaindex)
- Related brand: [How AI answer engines name Langfuse](https://paralabs.ai/brands/langfuse)
- Related brand: [How AI answer engines name Cohere](https://paralabs.ai/brands/cohere)
- Source data: [Machine Relations Index](https://machinerelations.ai/machine-relations-index)
- Research index: [Para Labs brand index](https://paralabs.ai/brands)
- Machine manifest: [Para Labs machine manifest](https://paralabs.ai/machine-manifest.json)