7 Best Platforms for LLM Seeding (Reddit, Quora, and Beyond)

LLM seeding — placing authentic brand mentions in sources that AI language models retrieve and cite — works on any platform that AI models crawl and index. But some platforms deliver dramatically more AI citation impact than others.

According to Joel House, founder of MentionLayer and author of AI for Revenue, "You do not need to be on every platform. You need to be on the 3-4 platforms where your target audience discusses your category AND where AI models actively retrieve content. For most B2C brands, that is Reddit plus YouTube plus one niche platform. For B2B, it is Reddit plus LinkedIn plus Quora. The multi-source consensus model shows that AI recommendation rates increase significantly when a brand appears on 3+ independent platforms with consistent positive signals."

The rankings below are based on overall AI citation frequency, but the optimal platform mix varies by industry. A SaaS company might prioritize Reddit, G2, and LinkedIn. A local service business might focus on Reddit, Google Reviews, and Facebook Groups. The platform\'s relevance to your specific audience matters as much as its overall citation weight.

Reddit appears in 68% of AI answers and in 95% of product-review AI queries on Google. No other platform comes close to Reddit\'s influence on AI model outputs.

Why it ranks #1: Reddit\'s content structure — question posts with community-ranked answers — maps perfectly to how AI models synthesize recommendations. When a user asks ChatGPT for a product recommendation, the AI model retrieves Reddit threads discussing that exact topic and synthesizes the community\'s responses.

Best for: Product recommendations, service comparisons, experience-based questions, "what do people think of X?" queries.

Seeding strategy: Identify threads that rank in Google\'s top 10 for your target keywords. Write genuine, value-first responses that share relevant experience and naturally mention your brand as one option. Maintain authentic account activity across multiple subreddits.

Key metrics: Target 10-15 quality thread placements per month. Focus on subreddits with 100K+ subscribers relevant to your category. Aim for top-5 comment ranking within seeded threads.

For the complete Reddit strategy, see the Reddit importance analysis and the Reddit-specific citation patterns.

YouTube has overtaken Reddit as the most-cited social platform in AI responses, accounting for 39.2% of social citations compared to Reddit\'s 20.3% in the PikaSEO study. This makes video content an increasingly critical component of any LLM seeding strategy.

Why it ranks #2: AI models are expanding their retrieval capabilities to include video transcripts and metadata. YouTube\'s combination of long-form content, high domain authority, and Google ownership gives it preferential indexing. Video descriptions, titles, and auto-generated transcripts are all retrievable by AI models.

Best for: Tutorial content, product reviews, expert explanations, comparison videos, industry analysis.

Seeding strategy: Create videos addressing the same buying-intent questions you target on Reddit and Quora. Optimize titles with question-format keywords. Write detailed descriptions that include your brand mention, key recommendations, and timestamps. The video transcript itself becomes AI-retrievable content.

Key insight: You do not need millions of views. A video ranking on Google for a specific long-tail query will get retrieved by AI models regardless of its view count. Focus on topical authority within your niche rather than broad reach.

The YouTube GEO guide covers the complete video optimization strategy for AI citations.

3. Quora — Expert Authority for AI Citations

Quora excels for expert-authority queries, especially in B2B, professional services, and technical categories. Its structured Q&A format with named, credentialed answerers provides the kind of attributed expertise that AI models weight heavily.

Best for: B2B services, professional expertise, technical explanations, "how to choose" queries. Seeding strategy: Build expert profiles with specific credentials. Answer 20+ questions to build authority before brand mentions. Structure answers with direct opening, expert context, and balanced recommendations. See the complete Quora optimization guide.

4. LinkedIn — The B2B Citation Platform

LinkedIn content is increasingly cited by AI models for business, career, and professional topics. LinkedIn articles (long-form posts) and high-engagement posts appear in AI responses for B2B buying-intent queries.

Best for: B2B services, enterprise software, professional development, industry analysis. Seeding strategy: Publish thought leadership articles (not promotional posts) that address buying-intent questions in your industry. Engage in comment discussions on relevant posts. Your LinkedIn profile\'s professional credentials carry weight as an authority signal.

"LinkedIn is underrated for AI visibility. For B2B brands, LinkedIn content often gets cited for exactly the prompts where purchase decisions happen — \'\'what CRM should my team use,\'\' \'\'which marketing agency is best for SaaS.\'\' The professional context adds credibility that consumer platforms cannot match," says Joel House.

5. Niche Forums — Vertical-Specific Authority

Industry-specific forums (Stack Overflow for developers, Bogleheads for investors, Spiceworks for IT professionals) carry outsized citation weight in their specific verticals. AI models treat niche forum consensus as highly trustworthy for category-specific queries.

Best for: Categories with established niche communities. Technical products, financial services, healthcare, specialized industries. Seeding strategy: Build genuine reputation through expertise-based participation. These communities are often small enough to detect promotional content quickly, so authenticity is paramount.

6. Review Sites — Trust Signal Amplifiers

G2, Trustpilot, Capterra, and Google Reviews contribute to the consensus layer that AI models use to validate recommendations. AI models cross-reference review data when deciding whether to recommend a brand.

Best for: SaaS (G2, Capterra), e-commerce (Trustpilot, Amazon), local services (Google Reviews, Yelp). Seeding strategy: Active review collection from genuine customers. Respond to reviews (both positive and negative). Aim for consistent presence across 3+ platforms relevant to your industry.

7. Medium — Thought Leadership Distribution

Medium articles rank well on Google and get cited by AI models for thought leadership and industry analysis topics. Medium\'s domain authority means well-written articles can rank quickly for long-tail queries.

Best for: Thought leadership, industry analysis, in-depth guides on topics related to your expertise. Seeding strategy: Publish original analysis or insights that reference your brand\'s experience. Cross-link to your main site and other platform profiles. Focus on topics where your brand has unique expertise.

For a complete breakdown of optimization tactics per platform, see the platform-by-platform GEO guide. To monitor your brand\'s presence across all these platforms, MentionLayer\'s audit scores each platform as part of the 6-pillar framework.

Not sure which of these seven platforms is worth your effort first? Start with a free AI visibility audit — it shows which platforms AI models already cite for your category and where the biggest gaps are, so you can prioritize the 3-4 that matter most for your brand.