Model Overview - GPT5 is a hybrid model with both thinking and non-thinking versions, replacing previous models like GPT-4.0, GPT-4.1, and GPT-4.5 [2] - The model excels in coding, math, writing, health, and visual perception, adapting its response speed based on the complexity of the task [3][6] - GPT5 has three versions: standard, mini, and nano, with the mini version handling queries when usage limits are reached [7] - It features a 400,000 token context window, improving understanding of spacing, typography, and whitespace [9] Performance Benchmarks - GPT5 Pro achieved 100% on the Amy 2025 benchmark [18] - In enterprise metadata extraction, GPT5 shows a 5% to 8% improvement over GPT4.1%, averaging 90% overall accuracy [13] - GPT5 is 45% less likely to contain factual errors than GPT4.0, and when thinking, 80% less likely than OpenAI's 03 [27] - On the SWEBench verified coding benchmark, GPT5 achieved 74.9% compared to 30% with GPT4.0 [25] Availability and Versions - GPT5 is available to all users, with Plus subscribers getting more usage and Pro subscribers accessing GPT5 Pro [5] - GPT5 Pro is designed for challenging tasks, utilizing scaled parallel test time compute [36][37] - Box AI Studio offers GPT5 for enterprise document Q&A and analysis, trusted by over 100,000 organizations [13][14] Safety and Reliability - GPT5 communicates more honestly about its capabilities, recognizing when tasks cannot be completed [28][29] - It employs safe completions, a new safety training method, to provide helpful answers while staying within safety boundaries [32] Coding Capabilities - GPT5 is an excellent coding model, particularly in complex front-end generation and debugging larger repositories [8]

Product Launch & Adoption - GPT5 is launched as a major upgrade over GPT4, aiming for Artificial General Intelligence (AGI) [2] - Chat GPT has grown to approximately 700 million weekly users since its launch 32 months ago [1] - GPT5 is rolling out to free, Pro, and Team users immediately, with Enterprise and Education users gaining access the following week [6] - Free tier users will have access to GPT5, transitioning to GPT5 Mini upon reaching their limit [6] Key Features & Capabilities - GPT5 aims to provide the perfect answer with the perfect amount of thinking, eliminating the choice between speed and thoughtfulness [4] - GPT5 can write entire computer programs from scratch, enabling "software on demand" [3] - GPT5 excels in areas requiring deep reasoning and expert-level knowledge, including math, physics, and law [5] - Voice experience is enhanced with natural-sounding voices, video integration, and consistent language translation, available to free users for hours and nearly unlimited for paid subscribers [19][20] User Experience & Customization - GPT5 Pro subscribers will get unlimited GPT5 access with extended thinking for more detailed responses [7] - Subscribers can customize the voice experience to their specific needs [21] - GPT5 demonstrates creativity, unlocking new possibilities for users [26]