My honest review of AI Product Designer backed by Y-Combinator (v0 Users Need to See This)

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Mar 5, 2025

Dive into the world of AI product design as the host experiments with Polymet AI, creating a YouTube analytics tool inspired by viral trends. Polymet's clean interface and voice input shine, but it requires multiple prompts for the best results. The comparison with V0 reveals each tool's unique strengths and challenges. Functional designs emerge, but varying user experiences offer insight into the importance of prompt quality. Discover how combining different AI tools might just be the recipe for success in design!

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ANECDOTE

PolyMet Test and Startup Idea

Nikita Bier tested Polymet, a new AI design tool, by giving it a startup idea.
The idea was inspired by a tweet about predicting tweet virality, but adapted for YouTube.

ADVICE

Improve AI Design Prompts

Provide clear instructions and references when using AI design tools.
Include visual aids like wireframes or examples to guide the AI.

INSIGHT

Hidden Costs of AI Tools

AI design tools often use abstract "credits" for pricing, obscuring actual costs.
This makes it easier for users to spend without realizing the monetary value.

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In this episode, I test Polymet AI, an AI product designer tool, by creating a YouTube analytics prediction SaaS concept inspired by a viral tweet about predicting tweet performance. I compare Polymet AI with V0, keep in mind that while Polymet required multiple prompts and offered less feedback during the design process, both tools ultimately produced usable designs.

Timestamps:
00:00 - Intro
02:33 - First Impressions of Polymet
03:57 - Startup Idea: Predicting YouTube Engagement
05:03 - Initial Design Prompt
10:11 - Polymet’s First Design Output: TubePredict
11:04 - UI and Functionality Issues and Debugging
16:08 - Polymet’s Second Design Output
17:44 - Debugging pt 2
20:48 - Prompting v0
22:30 - v0’s Design Output
23:41 - Polymet’s Third Design Output
24:49 - Comparing v0 and Polymer and Final Thoughts on Design Outputs
27:36 - Conclusion and Recommendations for AI Design Tools

Key Points

• I test Polymet AI, a new AI product designer tool, that claims to help non-designers create production-ready designs
• I compare Polymet AI with v0 by having them design a YouTube analytics prediction tool
• Both tools produced functional designs, but with different user experiences and output quality

1) First impressions of Polymet AI:

• Clean interface similar to ChatGPT
• Includes voice input (huge plus!)
• Image upload capability for reference designs
• Credit-based system (250 free credits to start)
• 50 credits per page generation

2) The design process with Polymet was... interesting.

PROS:
• Named the product "TubePredict" automatically
• Created decent landing page copy
• Saved version history

CONS:
• Slow generation (2+ minutes)
• No progress indicator (frustrating!)
• Initial designs missed the mark completely

3) After 3 attempts with increasingly specific prompts, Polymet finally delivered:

• Clean, modern interface
• Detailed A/B testing dashboard
• Statistical confidence indicators
• AI suggestions for optimization

But the communication was ONE-WAY. No feedback loop!

4) Meanwhile, v0 showed its strengths:

• Real-time reasoning as it designed
• Conversational approach ("I'll create a SaaS that...")
• Faster FEELING process (transparency helps!)
• Ability to ask clarifying questions

The difference in experience was NIGHT and DAY.

5) The final designs were surprisingly similar in quality!

Polymet's strengths:
• More detailed product features
• Hover states built in
• Actual code generation

v0's advantages:
• Slightly more polished visually
• More "glassy" as requested
• Better feedback loop

6) MAJOR INSIGHT: The future isn't about finding ONE perfect AI design tool.

It's about using MULTIPLE tools strategically:
• Generate initial concepts in one
• Refine in another
• Mix and match their strengths

Just like we do with ChatGPT, Claude, Gemini, etc.

7) The REAL lesson? Knowing design terminology matters!

When I specifically requested "glassmorphism" instead of just saying "glassy," both tools performed MUCH better.

The more precise your design vocabulary, the better your AI design results.

8) Would I recommend these tools? YES - but with expectations in check.

Two years ago this would have been MIND-BLOWING.
Today, our standards are higher.

But for quick prototyping or inspiration, both tools deliver value in different ways.

Notable Quotes:

"Two years ago, if I would have seen this, I would have been like, 'Oh my God, everything has changed.' And now our bar for all these AI products is so high that the output needs to be incredible for you to really use it in your workflow."

"How do you get the most out of them is just you use all of them, you realize what's best for each individual product... There's these nuances that make these products better."

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