Module 1 · Lesson 2

The Main Types of AI Models & Tools Marketers Need to Know

The AI market can look confusing because hundreds of products describe themselves as AI. The easier way to understand it is to group tools by the type of model or capability doing the work.

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By the end of this lesson

You will understand the major categories of AI models used by marketers, what each category is best suited to, and how to choose between general-purpose AI platforms and specialist marketing tools.

The model landscape

Language → Image → Video → Audio → Predictive

01

Language Models

Work with text, files, reasoning, research, analysis and conversation.

02

Image Models

Create, edit and interpret visual content.

03

Video Models

Generate or transform moving-image content.

04

Audio Models

Generate speech, transcribe conversations and work with sound.

05

Predictive Models

Estimate outcomes using patterns in data.

1. Large language models

The general-purpose AI workbench

Large language models — usually shortened to LLMs — are the technology behind many of the AI assistants marketers now use.

Examples include platforms such as ChatGPT, Claude, Gemini and Microsoft Copilot.

Although they began primarily as text systems, modern platforms can increasingly work across multiple types of information.

Strategy

Reason through problems

Analyse options, structure plans, challenge assumptions and build decision frameworks.

Content

Create and transform text

Generate drafts, rewrite copy, summarise material and produce variations.

Analysis

Interpret information

Work with documents, research, campaign reports, spreadsheets and qualitative feedback.

LLMs are general-purpose systems. Their strength is flexibility, but they still need good context, validation and human judgement.

2. Multimodal AI

AI that can work across more than one type of information

Increasingly, the distinction between text, image and audio systems is becoming less rigid.

A multimodal model may be able to interpret:

Text

Documents and prompts

Read reports, briefs, articles, transcripts and written instructions.

Visual

Images and screenshots

Interpret creative work, charts, website layouts and product photography.

Audio

Speech and recordings

Transcribe, summarise and potentially respond to spoken information.

For marketers, multimodal capability is important because marketing rarely exists in only one format.

3. Image-generation models

From creative concepts to finished assets

Image-generation systems can create visual material from written instructions or edit existing images.

Marketers may use them for:

Concepts

Rapid creative exploration

Test multiple visual directions before investing in final production.

Assets

Campaign imagery

Create supporting visuals for social, ads, presentations and content.

Editing

Transform existing creative

Modify backgrounds, layouts, formats or visual styles where rights and brand rules allow.

Visual quality is not the only consideration. Brand consistency, factual accuracy, copyright, permissions and authenticity still matter.

4. Video-generation models

AI is expanding into moving creative

Video AI can support tasks ranging from simple editing and captioning through to synthetic scenes, avatars and generated footage.

Use case Potential marketing application
Text-to-video Create visual concepts, short-form creative or illustrative scenes
Video editing Resize, repurpose, remove backgrounds or generate variations
AI avatars Training, explainers and controlled presentation formats
Captioning and translation Repurpose video for additional channels, languages and audiences
5. Audio and speech models

AI can listen as well as speak

Speech-to-text

Transcription

Turn interviews, meetings, calls and videos into searchable written information.

Text-to-speech

Voice generation

Create narration or spoken versions of approved content.

Analysis

Customer insight

Analyse call transcripts or spoken feedback for common themes and customer concerns.

6. Predictive machine learning

Not all important AI generates content

Predictive models use historical patterns to estimate what may happen next.

Marketers encounter this type of AI throughout advertising, ecommerce, CRM and analytics.

Propensity

Who is likely to act?

Estimate the likelihood that a user will convert, purchase, churn or respond.

Value

Which customers matter most?

Estimate customer value or prioritise high-potential prospects.

Forecasting

What might happen next?

Estimate future demand, revenue, traffic or campaign outcomes.

Predictive AI and generative AI solve different problems. Asking a chatbot to guess next quarter's sales is not the same as building a forecast from appropriate historical data.

7. Recommendation systems

AI choosing the next best piece of content or product

Recommendation systems rank or select items according to predicted relevance.

Environment Possible recommendation
Ecommerce Products someone may be likely to purchase
Content Articles or videos a user may engage with
Email Offers, products or content selected for a subscriber
Advertising Creative or messages predicted to perform better for a user or segment
8. Specialist marketing AI tools

A specialist interface may sit on top of a general AI model

Many products marketed as specialist AI tools do not necessarily contain a completely unique foundation model.

Instead, they may combine existing AI models with:

Workflow

Purpose-built processes

The software structures AI around a particular marketing job.

Data

Connected information

The product may integrate CRM, SEO, advertising or analytics data.

Controls

Marketing-specific guardrails

Templates, brand rules and approval workflows can make outputs easier to operationalise.

A specialist tool is valuable when the workflow and integrations save more time than you could achieve with a general-purpose AI platform alone.

9. AI agents

From producing an answer to completing a workflow

An AI assistant usually responds to a request. An AI agent may be designed to take a goal and complete multiple steps towards it.

A marketing agent might:

Review campaign data → identify an anomaly → investigate possible causes → prepare a summary → create recommended actions → send the report for approval.

Agentic systems can be powerful because they reduce manual coordination between tasks.

They can also increase risk because the system may take multiple actions before a human reviews the result.

General-purpose vs specialist tools

Which should you use?

General-purpose AI Specialist AI tool
Flexibility Usually very high Usually narrower
Setup Often requires better prompts and workflow design May provide a ready-made process
Integrations Varies by platform May connect deeply with specialist systems
Best for Research, analysis, reasoning and flexible creation Repeatable domain-specific workflows
Interactive tool selector

Which AI category fits the job?

Quick challenge

You need to forecast next quarter's demand. Which approach is strongest?

Knowledge check

Check your understanding

1. What are large language models particularly useful for?
2. What makes a model multimodal?
3. Which AI category is most directly associated with estimating future outcomes from historical patterns?
4. Why might a specialist AI marketing tool be valuable?
Key takeaway

Choose the model category that matches the problem

AI marketing now includes language models, multimodal systems, image and video generation, audio AI, predictive models, recommendation systems, specialist tools and agents.

The strongest marketer does not ask which AI brand is best in general. They ask which capability is best suited to the task.

In Lesson 3, you will learn how AI models actually produce outputs — and why they can sound confident while still being wrong.