18 Feb 2026
1h 0m

SaaStr 842: The 90/10 Rule for AI Agents: What to Build vs Buy with SaaStr's CEO and CAIO

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The Official SaaStr Podcast: SaaS | Founders | Investors

The podcast explores the evolving dynamics of building versus buying AI solutions, particularly in light of recent advancements in AI models and tools like Claude. It highlights the "90-10 rule," where buying off-the-shelf solutions is favored for 90% of needs, while building custom solutions addresses the remaining 10% where existing options fall short. A key example is SaaStr's custom-built sponsor portal, created due to the lack of AI features in existing event software. The discussion emphasizes that while VibeCoding is increasingly feasible, especially with tools like Claude Co-work, factors like maintenance, security, and compliance often make buying a more strategic choice. Ultimately, the conversation underscores the importance of AI integration for SaaS companies to remain competitive and deliver "jaw-dropping" value to customers.

Outlines

Part 1: AI Displacement, Product Evaluation

Part 2: Build vs. Buy, The 90-10 Rule

Part 3: VibeCoding, Innovation, Complexity

Part 4: Case Studies, Internal Tools

Part 5: Security, Trade-offs, Future Outlook

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