OpenAI's official guide, detailing when to use which AI model

(1) GPT-4o 

• Expert in daily tasks: brainstorming/meeting minutes/email writing/idea generation

• Full-modal support: compatible with GPTs plug-in/data analysis/image generation/canvas collaboration/advanced voice and other functions, supporting document/image/CSV/audio and video input in multiple formats

Typical use cases

• Distill meeting notes into actionable items

• Write a follow-up email for the project kick-off meeting

• Real-time planning of product release plans (supports uploading of design draft screenshots)

• Proofreading and polishing academic papers

(2) GPT-4.5

• Emotional creative engine: with higher emotional intelligence and collaborative intuition

• Applicable scenarios: social media operations/marketing copywriting/customer relationship communication

Typical use cases

• Write a popular LinkedIn tweet about AI trends

• Creation of promotional copy for new product features

• Empathetic customer apology letter

(3) OpenAI o4-mini 

• Quick Thinker in STEM fields: Quick response to technical queries/programming assistance/visual reasoning

Typical use cases

• Extract key data metrics from CSV

• Quick-read abstracts of scientific research papers

• Python error instant debugging

(4) OpenAI o4-mini-high

• Precision computing experts: complex coding/mathematical models/scientific explanations, improving accuracy by extending thinking time

Typical use cases

• Demonstrate step-by-step solutions to differential equations

• Write SQL queries to extract data

• Explain quantum mechanics in layman's terms

(5) OpenAI o3

• Multi-threaded task processor: strategic planning/in-depth business analysis/interdisciplinary research

Typical use cases

• Prepare market expansion risk assessment report

• Business strategy framework based on competitive product data

• CSV multi-dimensional analysis: quarterly forecast and trend visualization

(6) OpenAI o1-pro

• High-precision decision-making think tank: handle high-risk and complex tasks through deep thinking

Typical use cases

• EU Data Privacy Compliance Implementation Memorandum

• Multi-page research reports in emerging technology areas

• Financial forecasting algorithms based on theoretical models

GPT-4o full-scenario real-time multimodal reasoning center

GPT-4.5 Knowledge Breadth and Tone Control Optimization (Writing/Programming/Agile Problem Solving)

o4-mini Cost-effective technical task processing engine

o4-mini-high Enhanced Technical Question Answering Expert

o3 Multi-step complex analysis with top computing power

o1-pro Traditional long-length analysis model