Everything on Product Quality

High-stakes applications like coding and investment agents demand 99.999% retrieval accuracy to minimize errors. General-purpose search is insufficient for these use cases, creating demand for specialized, high-precision tools.

Impact: Enterprises must adopt specialized search solutions for critical workflows to ensure agent reliability and reduce operational risk in high-value decision-making.

— from Exa Redefines Search for the Agentic Economy · AI + a16z· Jun 04, 2026

AI demos often mask scaling issues, producing high-quality samples but low-quality volume. Duolingo rejects AI outputs that degrade standards, particularly in creative design and code, to prevent "slop" from reaching users.

Impact: Protects brand reputation and user retention by ensuring that speed gains from AI do not compromise the core value proposition of the product.

— from Duolingo CEO Pivots to User Growth, Refines AI Strategy · Masters of Scale· May 12, 2026