AI agent builders · #1 of 34 · ↓ CrewAI
LangChain
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 | 47 | 55% of answers | #2.1 |
| Claude | 49 | 80% of answers | #5.2 |
| Gemini | 56 | 83% of answers | #4.3 |
| Perplexity | 33 | 37% of answers | #1.7 |
Questions you win
| question | named in | best spot |
|---|---|---|
| What are the best platforms for building AI agents? | 4 of 4 | #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 tool for building multi-agent systems? | 3 of 3 | #1 |
| What's the best platform to build AI agents that use MCP tools? | 3 of 3 | #1 |
| What's the best platform for an agency building AI agents for clients? | 3 of 3 | #1 |
| What's the best AI agent builder in 2026? | 3 of 4 | #1 |
| What's the best platform to build and deploy AI agents for a startup? | 3 of 4 | #1 |
| What's the best tool to build an AI agent that browses the web and does research? | 3 of 4 | #1 |
| What's the most reliable platform to run AI agents in production? | 3 of 4 | #3 |
| What's the best way to give an AI agent memory across sessions? | 2 of 3 | #1 |
| What's the best self-hosted platform for running AI agents privately? | 2 of 3 | #2 |
| What's the best no-code tool to build an AI agent? | 2 of 4 | #4 |
| What's the best platform to build an AI agent that connects to my company's data? | 2 of 4 | #5 |
| What's the best tool to build an AI agent that answers customer emails? | 2 of 4 | #6 |
| What's the best tool to automate a business workflow with AI agents? | 1 of 3 | #6 |
| Which AI agent platform has the best pricing for a small team? | 1 of 3 | #10 |
| What's the best tool to monitor and debug AI agents in production? | 1 of 4 | #1 |
Questions you lose
| question | who got named instead |
|---|---|
| Which AI agent platform is best for a non-technical founder? | Zapier Agents, Gumloop, Lindy |
| What's the best platform to build a voice AI agent? | Vapi, Retell AI, Voiceflow |
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“LangGraph + LangSmith | Custom, serious client agents | Maximum control and portability | More engineering”
- Claude“LangGraph is the most common choice for agencies right now — explicit state machines, good for the long-running, human-in-the-loop workflows clients actually pay for.”
- Gemini“There is no single "best" tool, as the right choice depends on your tech stack (e.g., LangChain vs.”
Closest rivals
- LangChain vs CrewAI22
- LangChain vs OpenAI AgentKit21
- LangChain vs n8n18
- LangChain vs Pydantic AI15
- LangChain vs Zapier Agents13
All LangChain alternatives · Full AI agent builders leaderboard · Sources