🧠 ChatGPT Model Comparison (November 2025): ChatGPT-5.1, ChatGPT-5, ChatGPT-5 Thinking, ChatGPT-5 Pro – Features, Differences, and Best Use Cases

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🧠 ChatGPT-5 vs ChatGPT-5.1 Comparison November 2025

Legend: ✅ yes • ❌ no • 🟢 strong • 🟡 moderate • ⚡ fast
🧩 Feature / Use Case 🌟 ChatGPT-5 🚀 ChatGPT-5.1 Latest
🔓 Access 💰 Pro tier + API 💰 Pro tier + API
⚡ Speed ⚡⚡⚡ Optimized ⚡⚡⚡ Faster, lower latency
🧠 Reasoning Ability 🟢🟢🟢 Enhanced & adaptive 🟢🟢🟢 Improved chain-of-thought, more stable
🧠 Reasoning Modes Prompt-driven only Built-in **Precision / Balanced / Speed** modes
🖼️ Multimodal ✅ Text, Image, Audio + Video ✅ Same, with faster & clearer visual grounding
🎬 Video Understanding 🟢 Strong temporal reasoning 🟢🟢 Higher temporal accuracy, fewer misses
🗣️ Voice & Audio ✅ Real-time + improved speech ✅ Real-time with smoother prosody & lower jitter
📁 File Upload & Analysis ✅ Large files, fast processing ✅ Larger limits + better doc structure extraction
🧠 Memory (ChatGPT) ✅ Persistent cross-session ✅ Smarter recall & cross-topic linking
🤖 Agent Orchestration 🟢 Good tool routing 🟢🟢 Better multi-tool planning & error recovery
📏 Context Window 256K tokens 256K tokens (with better compression)
👨‍💻 Coding / Debugging 🟢🟢🟢 Self-optimizing, strong refactors 🟢🟢🟢 Cleaner reasoning traces, safer refactors
✍️ Creativity (Writing) 🟢🟢🟢 Exceptional + style control 🟢🟢🟢 Better narrative coherence & structure
🧮 Math & Logic High symbolic accuracy Higher accuracy + fewer hallucinations
🌍 Multilingual Advanced cross-lingual reasoning More consistent across languages
🛠️ Tool Use (API) Strong tool calling & JSON Fewer invalid calls, tighter JSON adherence
💰 Cost Efficiency ❌ Premium ❌ Premium, but better performance per token
🎯 Ideal Use Cases 🌐 Enterprise AI, cross-domain agents 🧠 Precision AI, advanced analysis, reliable agents

Note: This comparison reflects typical positioning of ChatGPT-5 vs ChatGPT-5.1 as of Nov 2025. Actual behavior may vary by product tier, configuration, and integration.

November 2025

🧠 ChatGPT-5 Model Comparison November 2025

Legend: ✅ yes • ❌ no • 🟢 strong • 🟡 moderate • ⚡ fast
🧩 Feature / Use Case 🌟 ChatGPT-5 Latest 🧭 ChatGPT-5 Thinking 💼 ChatGPT-5 Pro
🔓 Access 💰 Pro tier + API 💰 Pro tier + API 💰 Pro/Enterprise + API
⚡ Speed ⚡⚡⚡ Optimized ⚡ Deliberate (slower) ⚡⚡⚡ Optimized + low-latency
🧠 Reasoning 🟢🟢🟢 Enhanced & adaptive 🟢🟢🟢 Deliberate, long-horizon 🟢🟢🟢 Enterprise-tuned
🖼️ Multimodal ✅ Text, Image, Audio + Video ✅ Text, Image, Audio + Video ✅ Full multimodal + priorities
🗣️ Voice & Audio ✅ Real-time + improved speech ✅ Real-time (deliberate) ✅ Real-time (enterprise QoS)
📁 File Upload & Analysis ✅ Yes (larger/faster) ✅ Yes ✅ Yes + admin controls
🧮 Code Interpreter ✅ Yes (optimized) ✅ Yes (deliberate) ✅ Yes (performance tier)
🧠 Memory (ChatGPT) ✅ Persistent cross-session ✅ Persistent + plan-state ✅ Persistent + org-level
📏 Context Window 256K 256K 256K
✍️ Creativity (Writing) 🟢🟢🟢 Exceptional + style control 🟢🟢🟢 High fidelity, careful 🟢🟢🟢 Tunable tone at scale
👨‍💻 Coding / Debugging 🟢🟢🟢 Self-optimizing 🟢🟢🟢 Deep reasoning first 🟢🟢🟢 Enterprise perf + guardrails
🤖 Agent Capabilities 🟢🟢🟢 Next-gen planning & autonomy 🟢🟢🟢 Long-horizon plans 🟢🟢🟢 Enterprise orchestration
💰 Cost Efficiency ❌ Premium ❌ Premium ❌ Premium (volume tiers)
🎯 Best Use Cases 🌐 Enterprise AI, cross-domain agents 🧭 Complex analysis, planning-heavy tasks 🏢 Enterprise copilots, scalable ops

Note: Features reflect typical positioning as of Aug 2025; may vary by tier, region, and configuration.

 

 

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