🤖 AI Dev Tools

GitHub Copilot CLI's Rubber Duck: Second AI Opinion or Clever Upsell?

GitHub Copilot CLI just got a sassy sidekick: Rubber Duck, an AI from another model family to critique your main agent's plans. But after 20 years watching Valley hype cycles, I'm asking if this fixes real coding pains or just pads the bill.

Terminal screenshot of GitHub Copilot CLI with Rubber Duck critique on a data pipeline bug

⚡ Key Takeaways

  • Rubber Duck pairs rival AI models for targeted critiques, closing big performance gaps on tough coding benchmarks. 𝕏
  • Best for multi-file beasts; overkill for simple fixes, with token costs adding up. 𝕏
  • GitHub's ecosystem lock-in: clever tech, but primes the pump for more paid API usage. 𝕏
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Originally reported by GitHub Blog

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