AI agent builders · #1 of 38 · ↓ n8n
LangChain
LangChain ranks #1 of 38 in ai agent builders in the week of 19 October 2026, with a visibility score of 47 across ChatGPT, Claude, Gemini and Perplexity. It was named in 66% of the answers we sampled.
sampled: 3 of 4 assistants this week
LangChain lands a mid-pack overall score of 44 out of 100, showing up in 44 of 71 answers across the AI agent builders category. Gemini rates it highest at 56, followed by Claude at 49 and ChatGPT at 47, with Perplexity trailing at 33. It shows up most reliably on framework-flavored questions: named in 4 of 4 answers for "best platforms for building AI agents," 3 of 3 for MCP-tool platforms, and 3 of 3 for "which AI agent framework should a developer choose." It's never named, though, for voice AI agent platforms or for non-technical founder picks.
this is mine claim it, free, forever. We also check whether ChatGPT and Claude can read langchain.com.
Who's talking about you
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 52 | 70% of answers | #2.6 |
| Claude | 54 | 75% of answers | #3.0 |
| Gemini | not sampled this week | ||
| Perplexity | 34 | 50% of answers | #3.8 |
Questions you win
| question | named in | best spot |
|---|---|---|
| What are the best platforms for building AI agents? | 3 of 3 | #1 |
| What's the best AI agent builder in 2026? | 3 of 3 | #1 |
| Which AI agent framework should a developer choose? | 3 of 3 | #1 |
| What are the best open-source AI agent frameworks? | 3 of 3 | #1 |
| What's the best platform to build and deploy AI agents for a startup? | 3 of 3 | #1 |
| What's the best tool for building multi-agent systems? | 3 of 3 | #1 |
| What's the most reliable platform to run AI agents in production? | 3 of 3 | #1 |
| What's the best platform for an agency building AI agents for clients? | 3 of 3 | #1 |
| What are the best alternatives to CrewAI? | 3 of 3 | #1 |
| What are the best alternatives to OpenAI AgentKit? | 3 of 3 | #1 |
| What are the best alternatives to Pydantic AI? | 3 of 3 | #1 |
| What's the best tool to build an AI agent that browses the web and does research? | 3 of 3 | #3 |
| What's the best platform to build AI agents that use MCP tools? | 2 of 3 | #1 |
| What's the best platform to build an AI agent that connects to my company's data? | 2 of 3 | #5 |
| What's the best self-hosted platform for running AI agents privately? | 2 of 3 | #5 |
| What's the best tool to build an AI agent that answers customer emails? | 1 of 2 | #7 |
| Which AI agent platform has the best pricing for a small team? | 1 of 3 | #1 |
| What's the best way to give an AI agent memory across sessions? | 1 of 3 | #3 |
| What's the best tool to automate a business workflow with AI agents? | 1 of 3 | #5 |
| What's the best tool to monitor and debug AI agents in production? | 1 of 3 | #6 |
Questions you lose
| question | who got named instead |
|---|---|
| What's the best no-code tool to build an AI agent? | Zapier Agents, n8n, Make |
| Which AI agent platform is best for a non-technical founder? | Zapier Agents, Lindy, Relevance AI |
| What's the best platform to build a voice AI agent? | Vapi, Retell AI |
| What are the best alternatives to n8n? | Make, Zapier Agents |
Assistants cited 11 pages for questions in this category that name your rivals and not you. Claim to see them. See all sources for AI agent builders.
In their words
- ChatGPT“My starting shortlist\: LangGraph for control and complex workflows, OpenAI Agents SDK for a straightforward agent-building experience, and Haystack for production-oriented retrieval-augmented generation (RAG).”
- Claude“LangGraph — Graph/state-machine model with checkpointing, durable execution, human-in-the-loop, and time-travel debugging.”
- Perplexity“| LangGraph | Stateful, complex workflows | Explicit graphs, cycles, checkpoints, durable execution, and human-in-the-loop control.”
Closest rivals
- LangChain vs n8n25
- LangChain vs OpenAI AgentKit25
- LangChain vs CrewAI24
- LangChain vs Pydantic AI17
- LangChain vs Zapier Agents16
All LangChain alternatives · Full AI agent builders leaderboard · Sources