7/ Phase 3: Design Every API call costs money. More users = more burn. Design around:
• Prompt efficiency
• Model tiering
• Smart caching
• Product patterns (Copilot, Agent, Augmentation)
@godofprompt
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Phase 3 Design: Prompt Efficiency, Model Tiering, Smart Caching, Patterns
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Duolingo’s Data Moat from Years of Learning Data
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3/ Data Moat Duolingo’s edge? Years of learning data → AI no one else can build. Ask:
• Are we collecting exclusive, structured data?
• Does every user make us smarter? No? You’re building a demo, not a product. -

MIT: Zero ROI from GenAI, AI assistant buttons are not strategy
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1/ MIT says most orgs get zero ROI from GenAI. Meanwhile, teams are slapping “AI assistant” buttons on products and calling it strategy. It’s not. If you want to lead with AI – not chase – it starts here:
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OpenAI’s 5-phase playbook to build AI products that compound
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Most founders are building AI wrong. They treat AI as a feature. But the real winners build moats. OpenAI’s Product Lead just dropped the 5-phase playbook to build AI products that compound. Here’s the strategy every founder must see :
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AI used to scale personality, not just productivity
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First time I’ve seen AI used to scale personality, not just productivity.
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Prompt Engineers: The New Creative Directors
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Prompt engineers are becoming the new creative directors.
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Claude made simple: free guide with mini-course and prompts
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Claude made simple: grab my free guide → Learn fast with mini-course
→ 10+ prompts included
→ Practical use cases Start here ↓ -
Prompting Power: Skip Consultants, Build Closer, Move Faster with LLMs, Data, Questions
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If you know how to prompt, you can: – Skip the consultants
– Build closer to your customer
– Move 10x faster The new market research stack = → LLMs
→ Data
→ Clear questions Prompt smarter. Build better. -
LLMs: From Static PDFs to Dynamic, Living Market Insight Engines
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Market research firms are still selling PDFs. LLMs give you living, flexible insight engines. You can: – Ask follow-up questions
– Reframe segments
– Update instantly
– Run "what if"s This isn’t a static report. It’s dynamic intelligence. -
Simulate 50 unique customer survey responses for insights
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Want survey insights?
— God of Prompt (@godofprompt) 9 septembre 2025
Prompt:
“You are an advanced user behavior simulation engine with access to millions of real survey response patterns across industries.
I want you to simulate 50 unique customer responses to the following open-ended question:
‘What’s your biggest… pic.twitter.com/OKkZpkNR7MWant survey insights? Prompt: “You are an advanced user behavior simulation engine with access to millions of real survey response patterns across industries. I want you to simulate 50 unique customer responses to the following open-ended question: ‘What’s your biggest