Comparing Outputs and Strengths

I sat down with James, the Boring Marketer, to stress-test Claude 4.5 Opus against Gemini 3 Pro for real-world coding and design work. Together we live-build and compare landing pages and clickable prototypes for an “EstateClear” probate-family dashboard, then zoom out into conversion copywriting frameworks, “elevated direct response” brand voice, and ad creative workflows. The episode is a practical walkthrough of how non-technical builders can go from idea → landing page → prototype → ads using modern AI tools without vibe-coded, low-converting sites. 

Timestamps

00:00 – Intro

02:00 – Startup Idea: EstateClear

03:17 – Claude Opus 4.5

04:47 – Gemini 3.0 Pro

09:02 – Reviewing Opus’ landing page

11:16 – Reviewing Gemini’s version

12:17 – Comparing the two

17:29 – Reprompting Opus 4.5 and Gemini

19:02 – Google’s vertically integrated stack (AI Studio, Anti-Gravity, TPUs, Workspace)

21:50 – Nano Banana Pro and ad creative experiments

27:35 – Opus 4.5 builds a clickable EstateClear prototype

31:38 – Gemini’s prototype and comparing product depth

36:40 – Anti-Gravity + Nano Banana workflow for mockups and code

44:41 – Claude Skills Workflow and Best Practices

56:41 – Final Thoughts

Key Points

• Claude 4.5 Opus can act like a senior engineer for non-technical builders when paired with a tight skill and tools setup.

• Conversion wins come more from “elevated direct response” copy and clear page architecture than from fancy visuals alone.

• Claude’s front-end design skill meaningfully reduces “AI-looking” gradients and vibe-coded layouts, producing cleaner, production-grade UIs.

• Live tests show Opus 4.5 generates more refined layouts and deeper product thinking, while Gemini often injects clever AI product features.

• Google’s integration of Anti-Gravity, Nano Banana, and AI Studio points to a powerful end-to-end environment for shipping and promoting products.

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