Originally published on rohitraj.tech
Devin AI dropped from $500/mo to $20/mo and now scores 51.5% on SWE-bench. Should you fire your developer and let Cognition\'s autonomous agent ship your MVP? The honest math, real failure modes, and when Devin actually saves money in 2026.
Read the full version with code samples, diagrams, and architecture details: Devin AI vs Hiring a Developer in 2026: $20/Month Agent or Founding Engineer?
More engineering notes: rohitraj.tech/en/notes
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