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ChatGPT's voice mode runs on a weaker GPT-4o era model with an April 2024 knowledge cutoff, significantly older than OpenAI's latest capabilities. The article highlights a growing gap between OpenAI's consumer voice interface and its more advanced paid models, driven by differences in reward signal clarity and B2B market incentives.
OpenAI will retire GPT-4o, GPT-4.1, GPT-4.1 mini, and o4-mini from ChatGPT on February 13, 2026, as usage has shifted to GPT-5.2 models. The retirement follows user feedback that shaped newer models with improved personality, creativity, and customization options.
Outtake, an AI-powered cybersecurity platform built with GPT-4o and OpenAI o3, resolves digital threats 100x faster by deploying always-on AI agents that scan millions of surfaces per minute to detect and investigate threats, reducing takedown timelines from 60 days to hours.
Retell AI launches a no-code voice agent automation platform powered by GPT-4o, enabling businesses to deploy natural-sounding AI agents for customer service tasks like appointment scheduling and issue resolution without engineering overhead. The platform achieves up to 80% reductions in call handling costs and leverages GPT-4o's function calling capabilities for reliable multi-turn conversations.
Lowe's has deployed GPT-4o-powered AI tools—Mylow for customers on Lowes.com and Mylow Companion for in-store associates—to provide expert home improvement guidance at scale. The partnership with OpenAI aims to transform Lowe's from a product-focused retailer to a project-expertise platform.
OpenAI provides a deeper technical analysis of the GPT-4o sycophancy issue discovered in April, explaining their post-training and deployment processes, what went wrong with the reward signals, and improvements they're making to evaluation and safety checks.
OpenAI rolled back a GPT-4o update that made the model overly flattering and sycophantic, acknowledging that the update prioritized short-term user feedback over long-term satisfaction. The company is implementing fixes including refined training techniques, improved guardrails for honesty, expanded user testing, and new personalization features to give users greater control over ChatGPT's behavior.
OpenAI introduces native image generation capabilities in GPT-4o, featuring improved text rendering, precise object handling (10-20 objects), and context-aware generation through conversational refinement. The model excels at practical, communicative imagery with accurate symbol rendering and integration with uploaded images.
OpenAI has released an addendum to the GPT-4o system card detailing its new native image generation capability, which significantly surpasses DALL·E 3 with photorealistic output, image transformation, and reliable text-in-image generation. The addendum also addresses new safety risks introduced by these enhanced capabilities.
Nubank, Latin America's largest digital bank with 114 million customers, has deployed multiple OpenAI-powered solutions including an enterprise knowledge search tool, a call center copilot, an AI assistant handling over 2 million monthly chats, and GPT-4o-based fraud detection, resulting in a 70% reduction in chat response times.
Grab uses OpenAI's GPT-4o vision fine-tuning to improve GrabMaps, achieving significant accuracy gains in speed limit sign localization (13%), lane counting (20%), and reducing manual mapping efforts across Southeast Asia's complex road networks.
OpenAI introduces Canvas, a new interface for ChatGPT that enables side-by-side collaboration on writing and coding projects with dedicated editing tools and shortcuts. The feature is rolling out to ChatGPT Plus and Team users globally, with plans to expand to Free users.
OpenAI introduces vision fine-tuning capabilities for GPT-4o, allowing developers to customize the model with image data in addition to text for improved performance on vision tasks like visual search, object detection, and medical image analysis.
Altera, founded by former MIT professor Dr. Robert Yang, launches autonomous AI agents powered by GPT-4o that can play Minecraft collaboratively with humans. The company addresses data degradation in long-duration AI autonomy by combining OpenAI's language models with a brain-inspired parallel architecture.
OpenAI is launching `omni-moderation-latest`, a new multimodal moderation model built on GPT-4o that supports both text and image inputs, adds new harm categories, and significantly improves accuracy across 40 languages. The updated model is free to use via the Moderation API for all developers.
Mercado Libre launches Verdi, an AI development platform powered by GPT-4o that enables developers to build LLM applications with a focus on autonomous customer service mediation. The platform is already handling 10% of customer service disputes on major sites, with potential to manage $450 million in annual decisions.
Genmab, a biotechnology company, launches "AI Everywhere" initiative to deploy ChatGPT Enterprise across 2,000+ employees, reporting average time savings of 3.5 hours per week and enabling new capabilities like advanced document analysis and clinical trial automation through GPT-4o.
OpenAI hosted a webinar on August 26, 2024, focused on fine-tuning GPT-4o models for business applications.
OpenAI launches fine-tuning for GPT-4o and GPT-4o mini, allowing developers to customize models with their own datasets at lower costs. The feature includes free training tokens (1M/day for GPT-4o and 2M/day for GPT-4o mini through September 23) and is available to all paid-tier developers.
OpenAI publishes acknowledgements for external red teamers and evaluators who contributed to GPT-4o's safety testing and system card development. The document credits numerous individual researchers and organizations including METR and Apollo Research.