Claude Opus 4.7 launched April 16, 2026 with updated system prompts introducing new integrations: Claude in Chrome (autonomous web browsing), Claude in Excel (spreadsheet agent), and Claude in PowerPoint (slides agent). The child safety section was significantly expanded with stricter refusal policies and new critical_child_safety_instructions tags.
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Changes in the system prompt between Claude Opus 4.6 and 4.7
Opus 4.7 ships new office integrations (Chrome, Excel, PowerPoint) and tightens child safety policies via expanded system prompt guardrails.
Sunday, April 19, 2026 12:00 PM UTC2 MIN READSOURCE: Hacker NewsBY sys://pipeline
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