📋 ChatGPT Changelog
ChatGPT Changelog & Updates
o1 Reasoning Model
Launched o1-preview and o1-mini with advanced reasoning capabilities for complex problem-solving.
Multimodal Upgrade
Integrated DALL-E 3 for image generation, voice conversations, and browsing capabilities for Plus users.
GPTs Store & GPT-4 Turbo
Launched custom GPTs, GPT Store, and GPT-4 Turbo with 128K context window and lower pricing.
ChatGPT Launch
OpenAI launched ChatGPT based on GPT-3.5, a conversational AI that quickly became the fastest-growing app in history.
GPT-4o Launch
Released GPT-4o (omni) with multimodal capabilities, real-time voice, and vision at GPT-4 level for all users.
iOS App Launch
Released official iOS app with voice input support, later becoming one of the most downloaded apps.
GPT-4 Integration
Upgraded to GPT-4 for Plus users, bringing significant improvements in reasoning, creativity, and accuracy.
GPT-5 Turbo
Faster and more efficient version of GPT-5 with 256K context window and real-time collaboration features.
Custom Instructions Feature
Added custom instructions allowing users to set persistent preferences and context for all conversations.
GPT-5 Release
Major leap with GPT-5 featuring enhanced reasoning, deeper context understanding, and improved multimodal capabilities.
Sora Video & Memory Feature
Integrated Sora video generation capabilities and introduced memory feature for personalized conversations.
ChatGPT Plus
Introduced ChatGPT Plus subscription ($20/month) with priority access, faster response times, and early access to new features.
o3 Reasoning Model
Next-generation reasoning model with breakthrough performance on complex mathematical and scientific problems.
GPT-5.5 Pro Update
Enhanced GPT-5.5 with improved agentic capabilities, extended memory, and deeper tool integration.
For the latest updates, visit the official ChatGPT website.