~ / projects / promptforge

PromptForge

A scratchpad for testing prompts across Claude, GPT, and Gemini side-by-side. Built in a weekend.

Shipped

Anthropic SDK Next.js Vercel

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PromptForge is a side-by-side prompt testing playground. Drop a prompt in once, see how each frontier model responds, and diff the outputs token-by-token.

Built because I was tired of switching browser tabs.