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Dev.to
6/25/2026
What the Anthropic & OpenAI SWE interview loop is actually like (from 60+ reported accounts)

What the Anthropic & OpenAI SWE interview loop is actually like (from 60+ reported accounts)

Short summary

Synthesis of 60+ reported accounts reveals how Anthropic and OpenAI hire engineers differently: Anthropic leads with values-fit testing (universally present in onsites, their primary filter), while OpenAI emphasizes team match earlier. Both ban live AI tool use and reward from-scratch system building with math-first design.

  • Anthropic emphasizes values-fit testing; OpenAI prioritizes team match
  • Both ban AI tools in live rounds and test from-scratch system building
  • Values round is Anthropic's biggest technical filter; math-first design wins at both

Generated with AI, which can make mistakes.

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