AI agent builders · #10 of 38 · ↑ Make · ↓ Mastra
Vertex AI Agent Builder
Vertex AI Agent Builder ranks #10 of 38 in ai agent builders in the week of 19 October 2026, with a visibility score of 12 across ChatGPT, Claude, Gemini and Perplexity. It was named in 28% of the answers we sampled.
sampled: 3 of 4 assistants this week
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 | 14 | 20% of answers | #5.8 |
| Claude | 11 | 30% of answers | #11.3 |
| Gemini | not sampled this week | ||
| Perplexity | 13 | 33% of answers | #5.5 |
Questions you win
| question | named in | best spot |
|---|---|---|
| What are the best platforms for building AI agents? | 3 of 3 | #6 |
| What's the best platform to build an AI agent that connects to my company's data? | 2 of 3 | #2 |
| What's the best AI agent builder in 2026? | 2 of 3 | #4 |
| Which AI agent framework should a developer choose? | 2 of 3 | #5 |
| What are the best alternatives to CrewAI? | 2 of 3 | #5 |
| What are the best open-source AI agent frameworks? | 2 of 3 | #6 |
| What are the best alternatives to OpenAI AgentKit? | 2 of 3 | #6 |
| What's the best platform to build and deploy AI agents for a startup? | 2 of 3 | #8 |
| What's the best tool for building multi-agent systems? | 1 of 3 | #5 |
| What are the best alternatives to Pydantic AI? | 1 of 3 | #6 |
| What's the best tool to automate a business workflow with AI agents? | 1 of 3 | #10 |
| What are the best alternatives to LangChain? | 1 of 3 | #10 |
| What's the best platform for an agency building AI agents for clients? | 1 of 3 | #16 |
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 |
| Which AI agent platform has the best pricing for a small team? | Make, Zapier Agents, n8n |
| What's the most reliable platform to run AI agents in production? | LangChain, Amazon Bedrock AgentCore |
| What's the best tool to build an AI agent that answers customer emails? | n8n, Zapier Agents |
| What's the best platform to build a voice AI agent? | Vapi, Retell AI |
| What's the best tool to build an AI agent that browses the web and does research? | OpenAI AgentKit, LangChain |
| What's the best way to give an AI agent memory across sessions? | LangChain |
| What's the best platform to build AI agents that use MCP tools? | LangChain, Claude Agent SDK, OpenAI AgentKit |
| What's the best self-hosted platform for running AI agents privately? | Dify, Langflow, n8n |
| What's the best tool to monitor and debug AI agents in production? | nobody in particular |
| 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. See all sources for AI agent builders.
In their words
- ChatGPT“| Google ADK | Google Cloud and Gemini applications | Integrated agent-development ecosystem | Best fit when its ecosystem matches your stack |”
- Claude“Google ADK — open source, model-agnostic in principle, pairs with Vertex AI Agent Engine”
- Perplexity“Google Vertex AI Agent Builder — best for Google Cloud teams that need enterprise search, grounding, and control over data-intensive applications.”
Closest rivals
- Vertex AI Agent Builder vs Dify12
- Vertex AI Agent Builder vs Make12
- Vertex AI Agent Builder vs Mastra11
- Vertex AI Agent Builder vs Microsoft Copilot Studio13
- Vertex AI Agent Builder vs Amazon Bedrock AgentCore10
All Vertex AI Agent Builder alternatives · Full AI agent builders leaderboard · Sources