AI agent builders · OpenAI AgentKit

OpenAI AgentKit alternatives, according to AI assistants

The AI agent builders that ChatGPT, Claude, Gemini and Perplexity name most, other than OpenAI AgentKit. Ranked by score, with the question each one wins most often.

1. 1.LangChain47

   Named in 3 of 3 answers to "What are the best platforms for building AI agents?"

   compare OpenAI AgentKit vs LangChain

2. 2.n8n25

   Named in 3 of 3 answers to "What's the best AI agent builder in 2026?"

   compare OpenAI AgentKit vs n8n

3. 3.CrewAI24

   Named in 3 of 3 answers to "What are the best open-source AI agent frameworks?"

   compare OpenAI AgentKit vs CrewAI

4. 4.Pydantic AI17

   Named in 3 of 3 answers to "Which AI agent framework should a developer choose?"

   compare OpenAI AgentKit vs Pydantic AI

5. 5.Zapier Agents16

   Named in 3 of 3 answers to "What's the best no-code tool to build an AI agent?"

   compare OpenAI AgentKit vs Zapier Agents

6. 6.Microsoft Copilot Studio13

   Named in 3 of 3 answers to "What's the best platform to build an AI agent that connects to my company's data?"

   compare OpenAI AgentKit vs Microsoft Copilot Studio

7. 7.Dify12

   Named in 3 of 3 answers to "What's the best self-hosted platform for running AI agents privately?"

8. 8.Make12

   Named in 3 of 3 answers to "What are the best alternatives to n8n?"

9. 9.Vertex AI Agent Builder12

   Named in 3 of 3 answers to "What are the best platforms for building AI agents?"

10. 10.Mastra11

    Named in 3 of 3 answers to "What are the best alternatives to CrewAI?"

Ranked by how often AI assistants name each product, weighted by position. How the score works · Back to OpenAI AgentKit · Full AI agent builders leaderboard