Notable Improvements to Coding Intelligence in Xcode 26 Beta 7

From Apple’s Xcode 26 Beta 7 release notes:

• Claude in Xcode is now available in the Intelligence settings
  panel, allowing users to seamlessly add their existing paid
  Claude account to Xcode and start using Claude Sonnet 4.
  (155826755)

• When using ChatGPT in Xcode, users can now start a new
  conversation with either GPT-4.1 or GPT-5, with GPT-5 set as the
  default. (158342780)

• ChatGPT in Xcode provides two model choices. “GPT-5” is
  optimized for quick, high-quality results, and should work well
  for most coding tasks. For difficult tasks, choose “GPT-5
  (Reasoning)“, which spends more time thinking before responding,
  and can provide more accurate results for complex coding tasks.

  In the OpenAI API, “GPT-5” corresponds to the “minimal”
  reasoning level, and “GPT-5 (Reasoning)” corresponds to the
  “low” reasoning level. (159135374)

That’s just three weeks from the launch of ChatGPT 5 to shipping support in Xcode. Also, these are just the built-in integrations. As announced at WWDC, Xcode 26 allows developers use their API keys from other AI models, or run local models (if they’re using an Apple Silicon Mac).

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