Relevance AI vs Vertex AI Agent Builder
as AI assistants see them, week of 2026-09-14
Relevance AI and Vertex AI Agent Builder land in a tie overall, each scoring 9 out of 100. Relevance AI shows up in 12 of 71 answers, doing best on questions about non-technical founders (3 of 4 answers) and no-code tools (2 of 4), while Gemini rates it highest at 35. Vertex AI Agent Builder appears in 14 of 71 answers, with a clean sweep on "best platforms for building AI agents" (4 of 4), and ChatGPT scoring it highest at 15. Head-to-head, they're evenly matched: each wins 6 questions outright, with 8 ties between them.
Head to head
| metric | Relevance AI | Vertex AI Agent Builder |
|---|---|---|
| score | 9 | 9 |
| questions won | 8 | 8 |
By assistant
Relevance AI
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 7 | 10% of answers | #3.5 |
| Claude | 6 | 15% of answers | #12.7 |
| Gemini | 35 | 58% of answers | #5.6 |
| Perplexity | 0 | 0% of answers |
Vertex AI Agent Builder
| 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 |
Where they differ
Only Relevance AI gets named for
- Which AI agent platform is best for a non-technical founder?
- Which AI agent platform has the best pricing for a small team?
- What's the best tool to build an AI agent that answers customer emails?
- What's the best tool to build an AI agent that browses the web and does research?
- What's the best platform to build and deploy AI agents for a startup?
Only Vertex AI Agent Builder gets named for
- What's the best tool for building multi-agent systems?
- What's the best platform for an agency building AI agents for clients?
- What's the best platform to build an AI agent that connects to my company's data?
- Which AI agent framework should a developer choose?
- What's the best platform to build AI agents that use MCP tools?
More comparisons
- Amazon Bedrock AgentCore vs Relevance AI
- Microsoft Agent Framework vs Relevance AI
- Lindy vs Relevance AI
- Mastra vs Relevance AI
- Amazon Bedrock AgentCore vs Vertex AI Agent Builder
- Microsoft Agent Framework vs Vertex AI Agent Builder
Not sold on either?
Scores count how often each assistant names a product, weighted by position. How the score works · Full AI agent builders leaderboard