🧠 ChatGPT Model Comparison (July 2025): GPT-4, GPT-4 Turbo, GPT-4.5, GPT-4o, GPT-4 Mini, and ChatGPT o3 Pro Features & Use Cases Explained

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July 2025

🧩 Feature / Use Case GPT-4 GPT-4-turbo GPT-4.5 (API) GPT-4o (Default) GPT-4-mini ChatGPT o3 Pro
🔓 Access❌ Deprecated✅ $20/mo🔒 API Only✅ Free + Pro🔒 API Only💰 $50/mo
⚡ Speed🐢 Moderate⚡⚡ Fast⚡⚡ Fast⚡⚡⚡ Real-Time⚡ Fast⚡ Fast
🧠 Reasoning🟢 Strong🟢 Strong🟢🟢 Stronger🟢🟢🟢 Best-in-class🟡 Moderate🟢🟢🟢 Very Strong
🖼️ Multimodal🟡 Vision only✅ Text + Image🟡 API image✅ Text, Image, Audio❌ Text-only❌ Text-only
🗣️ Voice & Audio❌ No🟡 Mobile only❌ No✅ Real-Time❌ No❌ No
📁 File Upload✅ Yes✅ Yes✅ Yes✅ Yes❌ No❌ No
🧮 Code Interpreter✅ Yes✅ Yes✅ Yes✅ Yes❌ No❌ No
🧠 Memory (ChatGPT)❌ No✅ Rolling❌ N/A✅ Smart Memory❌ No❌ No
📏 Context Window32K128K128K128K~32K16K
✍️ Creativity🟢 Good🟢 Strong🟢🟢 Very Strong🟢🟢🟢 Excellent🟡 Basic🟢🟢 Strong
👨‍💻 Coding🟢 Advanced🟢 Advanced🟢🟢 Robust🟢🟢🟢 Fast & Intuitive🟡 Basic🟢🟢 Advanced
🤖 Agent Capabilities🟡 Minimal🟢 Moderate🟢🟢 Strong (API)🟢🟢🟢 Excellent⚪ Basic scripting🟢🟢 Robust
💰 Cost Efficiency❌ N/A✅ High✅ High✅ High✅ Very High❌ Premium
🎯 Use Case Fit📝 Writing, Research💼 Business Tasks🧠 Devs, Integrations🎙️ AI Assistants⚙️ Bots & Lite Apps🧰 Tools & Reports


✅ Agent Capabilities Key

  • 🟡 Minimal = Few agent-like features; mostly prompt-response.

  • 🟢 Moderate = Supports memory or tools; semi-structured workflows.

  • 🟢🟢 Strong = API-compatible; flexible chaining; good for structured agents.

  • 🟢🟢🟢 Excellent = Multimodal, memory, tools, long context, ideal for real-time or complex AI agents.

     

     

April 2025

Feature / Use Case GPT-4 (Legacy) GPT-4-turbo
(ChatGPT Plus Default)		 GPT-4.5 (API) GPT-4o (Omni – Latest) GPT-4-mini (o4-mini)
Release Date Mar 2023 Nov 2023 Early 2024 Apr 2025 Apr 2025
ChatGPT Access ❌ Not Available ✅ $20/month ❌ API Only ✅ Free + Pro ❌ API Only
Speed 🐢 Moderate ⚡⚡ Fast ⚡⚡ Fast ⚡⚡⚡ Real-Time Fast ⚡⚡ Fast
Reasoning Ability 🟢 Strong 🟢 Strong 🟢🟢 Stronger 🟢🟢🟢 Best-in-class 🟡 Moderate
Multimodal Capabilities 🟡 Limited (Vision only) ✅ Text + Image 🟡 Partial (API) ✅ Full (Text, Image, Audio) ❌ Text-only
Voice / Audio Interaction ❌ No 🟡 Partial (app only) ❌ No ✅ Real-Time ❌ No
File Upload & Analysis ✅ Yes ✅ Yes ✅ Yes ✅ Yes ❌ No
Advanced Data Tools ✅ Yes ✅ Yes ✅ Yes ✅ Yes ❌ No
Memory in ChatGPT ❌ No ✅ Rolling Memory N/A ✅ Expanded Memory ❌ No
Max Context Window 32K 128K 128K 128K ~32K
Creativity 🟢 Good 🟢 Strong 🟢🟢 Improved 🟢🟢🟢 Very High 🟡 Basic
Coding / Debugging 🟢 Advanced 🟢 Advanced 🟢🟢 Robust 🟢🟢🟢 Accurate 🟡 Lightweight
Ideal For... Research & writing General users Dev workflows Real-time agents Embedded AI