Ep 4.3: Top 5 LLMs for Marketers

SEO Unfiltered

SEO Unfiltered
Ep 4.3: Top 5 LLMs for Marketers
Sep 17, 2025 Season 4 Episode 3
Geeky Tech

In this episode, we dive deep into the most popular Large Language Models (LLMs) available for marketers. With AI tools becoming ubiquitous across every industry, this episode breaks down which LLMs are best suited for specific marketing needs.

Which LLMs you might ask?


1. ChatGPT 5 

Best For:

  • Brainstorming ideas
  • Creating social media posts
  • Generating structured data and schema markup
  • Meta tag creation
  • Email drafting
  • Long-form content (with human editing)
  • Image and code generation

Limitations:

  • Can hallucinate (make up information)
  • Struggles with basic math and accurate formulas
  • Tends to repeat points in long-form content
  • May use training data instead of web search for recent topics
  • Quality depends heavily on prompt specificity


2. Gemini (Google)

Best For:

  • Users embedded in Google Workspace ecosystem
  • Image processing 
  • Real-time research and fact-checking
  • PDF analysis
  • Academic research

Considerations:

  • Less creative than ChatGPT
  • Always-present assistant feature 
  • Better for research, not ideal for creative content


3. DeepSeek

Best For:

  • Developers and coders
  • Mathematical accuracy
  • Building spreadsheets and tables
  • High-logic tasks
  • Structured output

Limitations:

  • Text-only (no images, audio, or video)
  • Lacks artistic flair
  • Not ideal for creative marketing content
  • Better suited for technical users


4. Perplexity

Best For:

  • In-depth research
  • Fact-checking recent events
  • Academic and professional research
  • Getting cited, authoritative sources

Standout Features:

  • Shows when sources were last updated
  • Step-by-step breakdown of reasoning
  • Allows you to choose search sources
  • Suggests follow-up searches
  • Less "sycophantic" than ChatGPT


5. Claude

Best For:

  • Long-form content (whitepapers, research papers, e-books)
  • Creative and expressive writing
  • Tone and style switching
  • Processing large amounts of text (high token capacity)

Limitations:

  • Struggles with complex reasoning and layered topics
  • Output can be generic without detailed prompts
  • May filter contextually appropriate information if deemed potentially harmful
  • Requires skilled prompting for best results





Support your fellow marketing geeks! Follow us on Twitter, Facebook, and Instagram @GeekyTechGeeks for all things SEO/GEO, and advertising related—and while you're at it, why not subscribe, like, and follow us on Apple Podcasts, Spotify, Stitcher, or wherever you listen to your favourite shows.

Have any questions you want answered on the show? Email us at team@geekytech.co.uk.

Thanks for listening 🤓

Episode Artwork Ep 4.3: Top 5 LLMs for Marketers 12:03 Episode Artwork Ep 4.2: LLM, GEO, AEO—What Do All These AI Names Mean? 10:11 Episode Artwork Ep 4.1.: How Generative Engine Optimisation Will Shape Digital Marketing 13:23 Episode Artwork Ep 3.8: The First Half of E-E-A-T 11:27 Episode Artwork Ep 3.7: Core Web Vitals for Beginners 8:50 Episode Artwork Ep 3.6: Top Google Ranking Factors to Watch out for this Year 10:31 Episode Artwork Ep 3.5: ChatGPT One Year Later: A Look Back at AI-Generated Content 42:26 Episode Artwork Ep 3.4: To Optimise or Not to Optimise: Which Pages Need to Rank? 8:05 Episode Artwork Ep 3.3: 6 Non-Techy Page Fixes to Improve Your Rankings 8:51 Episode Artwork Ep 3.2: 9 Things We Wish Marketers Knew About SEO Tools 12:18 Episode Artwork Ep 3.1: Taking a Closer Look at Link-Building Strategies 39:22 Episode Artwork Ep 2.5 5 Bad Habits That Are Killing Your Online Presence 37:47 Episode Artwork Ep 2.4: Is AI-Generated Content Ready for the World? Ft. Jo Priest 27:57 Episode Artwork Ep 2.3: AI and the Future of Marketing with Jo Priest 38:54 Episode Artwork Ep 2.2: Why B2B Marketers Should Care About Awareness Ads 45:32 Episode Artwork Ep 2.1: Why It's So Hard to Produce Great Content These Days 11:42 Episode Artwork Ep 07: Taking the UX-First Approach with Bita Jarrah 37:16 Episode Artwork Ep 06: Your Digital Marketing Questions Answered 44:55 Episode Artwork Ep 05: The 401 on PPC with Mohamed Amine Lakaab 55:31 Episode Artwork Ep 04: Finding Your Keywords with Mark Hawkshaw-Burn 35:08 Episode Artwork Ep 03: What Is Off-Page SEO & Why It Matters to Your Marketing Strategy with Jo Priest 52:53 Episode Artwork Ep 02: Biggest Website Mistakes That Kill Your Google Rankings with Alan Mansford 39:13 Episode Artwork Ep 01: How Can Businesses Take Control of Their Own SEO with Ben Hawkshaw-Burn 46:46