Vantage research · November 2026 · MCP and agents
What AI cites for “best ai agent frameworks”
ChatGPT cited 10 sites, Gemini cited 7 sites, Perplexity cited 10 sites. 1 site was cited by all three.
Updated monthlyNext edition 1 December 2026
ChatGPTGeminiPerplexity dots beside a site: the other engines that cite it too
ChatGPT
10 sites · opens with a sentence · has a table · opening 35 words
- langchain.com
- openai.github.io
- crewai.com
- ai.pydantic.dev
- learn.microsoft.com
- google.github.io
- mastra.ai
- llamaindex.ai
- langfuse.com
- geekflare.com
Brands namedLangGraph, OpenAI Agents SDK, CrewAI, Pydantic AI, Microsoft Agent Framework, Google ADK, Mastra, LlamaIndex
Gemini
7 sites · opens with a sentence · has a table · opening 29 words
- braintrust.dev
- shop.zimaspace.com
- pub.towardsai.net
- aiagentskit.com
- shodh-memory.com
- langchain.com
- cynoteck.com
Brands namedLangGraph, Core Concept, Tradeoff, CrewAI, Microsoft Agent Framework, Mastra, OpenAI Agents SDK
Perplexity
10 sites · opens with a sentence · has a table · opening 15 words
- geekflare.com
- langchain.com
- workflowbuilder.io
- diagrid.io
- camunda.com
- lindy.ai
- daytona.io
- neon.com
- scrimba.com
- zapier.com
Brands namedLangGraph, CrewAI, OpenAI Agents SDK, LlamaIndex, Microsoft Agent Framework, Google ADK, Mastra, PydanticAI
Cited by more than one engine
- langchain.com
- geekflare.com
Is your site one of them?
Ask your AI agent to run Vantage's analyze_citation_coverage for your domain and “best ai agent frameworks”, on all
three engines, and it will tell you whether you are cited, who is instead, and what changed since your last check.
More MCP and agents questions
Each engine was asked once, in English, as from the United States, on 2026-11-01. Answers change from run to run, so read this as a snapshot. Download the data.