
Free
Last updated: November 1, 2025
PromptBuilder is a 100% free AI prompt engineering platform for creating optimized prompts across ChatGPT, Claude, and Gemini. PromptBuilder features 1000+ templates, drag-and-drop builder, team workspaces, and token optimization for text and image generation tasks.
Key Features:
Pricing:
100% Free (no hidden costs)
Platforms:
Web App
Alternatives:
AIPromptz, PromptPerfect, FlowGPT, Promptbase, PromptHero, God of Prompt ($37-150)
Note: Completely free unlike paid alternatives. No usage limits. Compatible across major AI models. Ideal for prompt engineering beginners and professionals.