PromptPerfect vs Prompt Builder
PromptPerfect is a prompt optimizer from Jina AI. It shut down on September 1, 2026. Prompt Builder is an AI prompt generator and optimizer with a chat workspace to refine, save and run prompts.
PromptItIn team
4 min read · Updated
Short answer
PromptPerfect shut down, so Prompt Builder is the one you can still use. Prompt Builder is best for: teams that want a shared prompt workspace.
Side by side
| PromptPerfect | Prompt Builder | |
|---|---|---|
| What it is | A prompt optimizer from Jina AI. It shut down on September 1, 2026. | An AI prompt generator and optimizer with a chat workspace to refine, save and run prompts. |
| Where it works | Web app (discontinued) | Web app and Chrome extension |
| Free plan | Discontinued | 5 free prompts, no credit card |
| Paid | Discontinued | Starter $9/mo (1,000 credits), Pro $19/mo (3,000), Unlimited $49/mo (12,000, fair use); yearly saves 20% |
| Works with | — | GPT, Claude, Gemini, Llama, Mistral, DeepSeek, Perplexity, Grok, Cohere |
| Best for | — | Teams that want a shared prompt workspace |
Which one to pick
- PromptPerfect: No longer available.
- Prompt Builder: You want team workspaces that share one plan.
Where PromptPerfect falls short
- Shut down on September 1, 2026
Where Prompt Builder falls short
- Prices and limits are close to PromptItIn's, so the choice comes down to workflow
Where PromptItIn fits
Both tools are worth a look. If what you want is a prompt written from your own idea, with questions for what's missing and fields to fill in, try PromptItIn: 5 free credits (5 prompts), paid from $9 a month. We make it, so weigh that.
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Frequently asked questions
Is PromptPerfect or Prompt Builder better?
PromptPerfect shut down, so Prompt Builder is the one you can still use. Prompt Builder is best for: teams that want a shared prompt workspace.
Is PromptPerfect free?
A prompt optimizer from Jina AI. It shut down on September 1, 2026.
Is Prompt Builder free?
5 free prompts, no credit card. Paid: Starter $9/mo (1,000 credits), Pro $19/mo (3,000), Unlimited $49/mo (12,000, fair use); yearly saves 20%.
Is there an alternative to both?
PromptItIn. A prompt generator and optimizer that asks what's missing, then writes a short prompt with fill-in fields for the AI you use.
Turn a rough idea into a prompt that works
PromptItIn asks what's missing, then writes a clear prompt for ChatGPT, Claude or Gemini. Free to start.