Enable Sonnet 5 in models menu

What changed

Source summary

Microsoft 365 Copilot in Word now offers Anthropic's Claude Sonnet 5 in its models menu, set as the default for higher-reasoning tasks, aiming to improve accuracy and quality on complex drafting and edits.

Why it matters to your work

Practical interpretation

If your organisation uses Microsoft 365 Copilot in Word, you can now pick Claude Sonnet 5 for tricky drafting or editing tasks — worth trying if you've found Copilot's default model struggling with nuanced or complex documents.

When this could help

No action needed — Sonnet 5 is automatically the default for higher-reasoning tasks in Word. Worth being aware of so you can evaluate whether your drafts and edits have improved.

Anthropic's Sonnet 5 has been added to the Copilot models menu in Word and is set as the default for higher-reasoning tasks. Microsoft says it improves draft and edit accuracy, context-relevant text, complex edit suggestions, and nuanced language handling.

Build it into your routine

SCALA suggested workflow

1. Model awareness

   Check the models menu in Copilot for Word to confirm Sonnet 5 is selected for your higher-reasoning tasks. Compare draft quality with your previous experience to gauge the improvement.

What to check

• Currently documented for Web only. No mention of Windows, Mac, or mobile rollout. No licence requirements, regional availability, or revert instructions are documented. Source ↗