Fix broken /learn/ask-fern links in stainless-comparison.mdx (#4321)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

Author: github-actions[bot]

fern/products/docs/pages/resources/stainless-comparison.mdx

@@ -72,12 +72,12 @@ Stainless doesn't offer audience-specific content filtering, multi-version APIs,
 
 <Accordion title="AI-powered search and assistance">
 
-Stainless offers RAG-based search. Fern provides additional AI features including [guidance documents](/learn/ask-fern/), [custom knowledge sources](/learn/ask-fern/), and analytics for operational control.
+Stainless offers RAG-based search. Fern provides additional AI features including [guidance documents](/learn/docs/ai-features/ask-fern/guidance), [custom knowledge sources](/learn/docs/ai-features/ask-fern/content-sources), and analytics for operational control.
 
 | Feature | Fern Docs | Stainless Docs |
 |---------|-----------|----------------|
-| **AI chatbot** | ✅ [Ask Fern](/learn/ask-fern/) with Claude/Cohere, [guidance documents](/learn/ask-fern/), and custom knowledge sources | ✅ RAG-based Q&A |
-| **AI analytics** | ✅ [Content gap identification](/learn/ask-fern/) and insights | ❌ None |
+| **AI chatbot** | ✅ [Ask Fern](/learn/docs/ai-features/ask-fern/overview) with Claude/Cohere, [guidance documents](/learn/docs/ai-features/ask-fern/guidance), and custom knowledge sources | ✅ RAG-based Q&A |
+| **AI analytics** | ✅ [Content gap identification](/learn/docs/ai-features/ask-fern/overview) and insights | ❌ None |
 | **Search** | ✅ Vector search with faceting by language, product, version | ⚠️ Metadata-driven with basic faceting |
 | **LLM-friendly format** | ✅ [/llms.txt and /llms-full.txt](/learn/docs/ai-features/llms-txt) | ✅ .md extension on URLs |
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