AI agent builders · #15 of 34 · ↑ Relevance AI · ↓ Mastra
Vertex AI Agent Builder
Vertex AI Agent Builder shows up in 14 of 71 answers across AI assistants, landing an overall score of 9 out of 100. ChatGPT rates it highest at 15, followed by Claude at 10, Gemini at 7, and Perplexity at 6. It performs best on broad, platform-comparison questions, appearing in all 4 answers to "What are the best platforms for building AI agents?" and 2 of 3 for both multi-agent systems and agency use cases. It's never mentioned for voice agents, non-technical founders, startups, self-hosting, or production reliability — questions where other tools seem to dominate the conversation instead.
Who's talking about you
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 15 | 25% of answers | #5.2 |
| Claude | 10 | 25% of answers | #14.4 |
| Gemini | 7 | 17% of answers | #10.5 |
| Perplexity | 6 | 11% of answers | #7.0 |
Questions you win
| question | named in | best spot |
|---|---|---|
| What are the best platforms for building AI agents? | 4 of 4 | #4 |
| What's the best tool for building multi-agent systems? | 2 of 3 | #5 |
| What's the best platform for an agency building AI agents for clients? | 2 of 3 | #9 |
| What's the best platform to build an AI agent that connects to my company's data? | 2 of 4 | #9 |
| Which AI agent framework should a developer choose? | 1 of 3 | #3 |
| What's the best platform to build AI agents that use MCP tools? | 1 of 3 | #5 |
| What's the best AI agent builder in 2026? | 1 of 4 | #10 |
| What's the best no-code tool to build an AI agent? | 1 of 4 | #13 |
Questions you lose
| question | who got named instead |
|---|---|
| What are the best open-source AI agent frameworks? | LangChain, CrewAI, OpenAI AgentKit |
| What's the best platform to build and deploy AI agents for a startup? | LangChain, OpenAI AgentKit, CrewAI |
| Which AI agent platform is best for a non-technical founder? | Zapier Agents, Gumloop, Lindy |
| Which AI agent platform has the best pricing for a small team? | Taskade Genesis, Microsoft Copilot Studio, n8n |
| What's the most reliable platform to run AI agents in production? | LangChain, Amazon Bedrock AgentCore, xpander.ai |
| What's the best tool to build an AI agent that answers customer emails? | Voiceflow, Relevance AI, Lindy |
| What's the best tool to automate a business workflow with AI agents? | Zapier Agents, n8n, Make |
| What's the best platform to build a voice AI agent? | Vapi, Retell AI, Voiceflow |
| What's the best tool to build an AI agent that browses the web and does research? | LangChain, CrewAI |
| What's the best way to give an AI agent memory across sessions? | LangChain, Letta |
| What's the best self-hosted platform for running AI agents privately? | Dify, LangChain, Flowise |
| What's the best tool to monitor and debug AI agents in production? | LangChain |
Assistants cited 11 pages for questions in this category that name your rivals and not you. See all sources for AI agent builders.
In their words
- ChatGPT“AWS explicitly supports agents built with LangGraph, CrewAI, LlamaIndex, Google ADK, OpenAI Agents SDK, and other frameworks, while also providing identity, VPC connectivity, observability, memory, and evaluation infrastructure.”
- Claude“Google → Vertex AI Agent Builder.”
- Gemini“Google Cloud Vertex AI Agent Builder: Best if your data is in Google Workspace (BigQuery, Google Drive).”
Closest rivals
- Vertex AI Agent Builder vs Amazon Bedrock AgentCore9
- Vertex AI Agent Builder vs Microsoft Agent Framework9
- Vertex AI Agent Builder vs Relevance AI9
- Vertex AI Agent Builder vs Lindy10
- Vertex AI Agent Builder vs Mastra8
All Vertex AI Agent Builder alternatives · Full AI agent builders leaderboard · Sources