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Dev.to
6/22/2026
AI coding agents write Swift

AI coding agents write Swift

Original: Coding agents are good at writing Swift. They're bad at finishing it.

Short summary

AI coding agents excel at producing working Swift code on first draft but fail at finishing it correctly. Failures aren't language problems—they're runtime intent mismatches, concurrency bugs that compile, and oscillating fixes where solving B breaks A again. Real progress comes from improving the agent's loop and feedback mechanisms, not just building smarter models.

  • •Agents write compilable Swift but miss intent, concurrency safety, and architectural fit
  • •Failures are runtime problems, not language problems—green builds don't equal correct code
  • •Better harnesses and feedback loops outweigh model improvements for real-world work

Generated with AI, which can make mistakes.

#ai-tools#ai-agents
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