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OpenAI launches ChatGPT Images 2.5, cutting generation latency by 50%

OpenAI released Images 2.5, an upgraded image model powering ChatGPT and the GPT-Image API, offering sharper detail, better subject preservation from reference photos, and more reliable multi-turn editing. The update ships alongside new ChatGPT features like Sketch, templates, and image comments, plus two developer-facing API models, GPT-Image-2.5 Flare and Sunburst.

Neon releases first trailer for Sam Altman biopic 'Artificial'

A trailer has dropped for 'Artificial,' the Luca Guadagnino-directed film about Sam Altman's brief 2023 ouster and reinstatement at OpenAI, starring Andrew Garfield as the CEO. The footage leans into an unsettling, horror-tinged tone, with Garfield's Altman warning that 'countries will fall' and industries will collapse while wandering past a bunker full of weapons. The movie, also featuring Yura Borisov, Monica Barbaro, Ike Barinholtz, Jason Schwartzman and Mark Rylance, opens in theaters on Christmas Day.

NYU mathematician accuses OpenAI of racing to claim Navier-Stokes proof credit

Tristan Buckmaster of NYU announced preliminary proofs on a major unsolved math problem, developed with Anthropic researcher Levent Alpöge using Codex and Claude models. Buckmaster alleges that details of their unpublished progress leaked to OpenAI, which then claimed to have produced a full proof using a large team and heavy computing resources shortly afterward. OpenAI's math lead Sebastian Bubeck disputes the characterization, calling the claims false and promising a fuller response.

OpenAI Claims AI Breakthrough on Navier-Stokes Millennium Prize Problem, Faces Skepticism

OpenAI says it used AI systems, backed by significant investment, to produce a solution to the Navier-Stokes equations, one of the seven unsolved Millennium Prize Problems in mathematics. The claim has drawn immediate pushback from rival labs and researchers who are scrutinizing whether the result truly meets the rigorous proof standards required for the prize.

OpenAI system produces proof of finite-time singularity in Navier–Stokes equations

OpenAI says an internal AI model, more capable than GPT-6 Astra, generated a solution to part of the Navier–Stokes existence and smoothness problem, one of the Millennium Prize Problems. The proof demonstrates that three-dimensional incompressible fluid dynamics governed by these equations can develop a singularity—unbounded speed growth—in finite time, even from smooth initial conditions. OpenAI released both a written explanation of the proof and a formal verification built in the Lean proof assistant.

OpenAI's Navier-Stokes math proof draws plagiarism-style accusations

OpenAI claims its internal AI model, paired with 10,000 concurrent agents, solved the century-old Navier-Stokes equation, one of the seven Millennium Prize Problems worth $1 million. However, NYU professor Tristan Buckmaster says he and Anthropic researcher Levent Alpöge had been developing a nearly identical proof using OpenAI's Codex tool, and he suspects OpenAI may have drawn on their unpublished work without clear confirmation from the company.

OpenAI's Navier-Stokes AI proof draws credit dispute from NYU mathematician

OpenAI announced that an AI model produced a Lean-verified solution to a key case of the 200-year-old Navier-Stokes equation, one of the Clay Millennium Prize problems, after running over a thousand agents for more than 50 hours at a cost of millions of dollars in compute. The announcement came shortly after mathematician Tristan Buckmaster and Anthropic researcher Levent Alpöge posted their own related advances, and Buckmaster has accused OpenAI of rushing to claim credit after learning of their progress.

OpenAI adds Sketch tool letting ChatGPT turn doodles into AI images

OpenAI has released ChatGPT Images 2.5, which includes a new Sketch feature allowing users to draw a rough doodle inside ChatGPT and have it converted into a polished image based on typed instructions. Users can invoke the tool by typing @Sketch, then annotate specific parts of the generated image with comments to request targeted edits, such as changing eye color. OpenAI says the update also improves lighting and texture quality, strengthens multi-turn editing consistency, and cuts image generation latency by up to 50% compared to the previous version.

Researchers propose framework treating LLM adoption as a spreading 'cognitive virus'

An international team of scientists published a not-yet-peer-reviewed paper arguing that large language models like ChatGPT and Claude spread through populations similarly to how viruses transmit, driven by social learning and usefulness rather than biology. They contend this spread encourages 'cognitive offloading,' where people increasingly hand over mental tasks like reasoning and writing to AI tools, deepening reliance over time.

Meta launches Muse, a consumer AI agent to challenge OpenAI and Anthropic

Meta introduced Muse, a personal AI agent that can autonomously handle tasks like online shopping, sending emails, and trip planning by opening browsers, filling out forms, and even negotiating on a user's behalf. The assistant will launch in the US on iOS, Android, and muse.ai, with support for AI glasses planned, and will be free for most users while Meta develops unspecified paid tiers for heavier use.

Super Smash Bros Melee fully decompiled into C code after six-year effort

A team of developers has completed a full decompilation of Super Smash Bros Melee, converting Nintendo's 2001 GameCube fighter into readable C code that compiles into a binary identical to the original main.dol. The project, hosted on the doldecomp/melee GitHub page, took over six years and reportedly used OpenAI's Astra to help finish the work.

OpenAI investigates ChatGPT outage hitting image generation and file uploads

OpenAI confirmed an ongoing outage causing errors in ChatGPT's image generation and its Images API, along with failures and delays when users try to upload files. Hundreds of users reported the problems on DownDetector, and OpenAI says it is still assessing mitigation efforts as some requests continue to fail.