What Walden Yan thinks about chat interfaces
American engineer, co-founder and chief product officer of Cognition, the company behind the coding agent Devin.
Walden Yan did not write this page.
We collected these quotes from things they published elsewhere, and every quote links to where it was said. They have no account here and have not endorsed this site. Quotes are word for word; the short line under each one is our own restatement, not their wording. Their own site. Is this you? Claim it or ask us to remove it. Or tell us what is wrong here.
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1 dated position, 2026, in their own words. Our reading of what Walden Yan has said — not written or endorsed by them.
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Their wordsPrompt engineering encourages gimmicky techniques like “you’re a senior software engineer” or “think for longer.” Context engineering is more durable
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