Best testing variations tools in 2025

Prompt Mixer
Prompt Mixer

Collaborative workspace for prompt engineering and AI model testing.

Free + from $29/m
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📝 Prompt engineering • 🎯 Productivity enhancement
Promptrr
Promptrr

Marketplace for buying and selling AI prompts.

Paid
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🤖 AI prompts • 🎉 Fun prompts

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🧑‍🤝‍🧑 Collaborative prompts 🔄 Data merging 📜 Legal data extraction 📚 SEO blog posts 🧑‍🤝‍🧑 Team workspace