---
title: "A/B testing AI Prompts (1 Free Template) - AgentDock"
description: "1 free a/b testing prompt for ChatGPT, Claude, and Gemini. Professional templates with smart variables. Copy and use instantly, or run them in the AgentDock editor."
url: "https://agentdock.ai/prompt-library/t/a-b-testing"
docs_index: /llms.txt
---

# A/B testing AI Prompts (1 Free Template) - AgentDock

1 free a/b testing template, including Email Subject Line Generator.

- [Email Subject Line Generator](https://agentdock.ai/prompt-library/business/email/subject-line-generator.md): Create compelling email subject lines that boost open rates with multiple variations for A/B testing

## Related tags

- [Email](https://agentdock.ai/prompt-library/t/email.md)
- [Marketing](https://agentdock.ai/prompt-library/t/marketing.md)
- [Copywriting](https://agentdock.ai/prompt-library/t/copywriting.md)