OpenAI’s mission is to ensure that artificial general intelligence benefits all of humanity. We’re hiring: https://t.co/dJGr6LgzPA
May 7 • 4 tweets • 2 min read
Codex now works directly in Chrome on macOS and Windows.
It’s even better at working with apps and sites in Chrome, and now works in parallel across tabs in the background without taking over your browser.
To get started, install the Chrome plugin in the Codex app.
With the new Chrome extension, Codex can quickly move through repetitive browser work, like navigating structured pages and complex data entry flows.
Under the hood, it writes and runs code to navigate and complete tasks.
Apr 22 • 5 tweets • 2 min read
Introducing workspace agents in ChatGPT—shared agents that can handle complex tasks and long-running workflows across tools and teams.
Agents are built to help with the kind of work that takes time, context, and follow-through: coordinating across tools, tracking progress, and moving tasks forward without needing constant supervision.
A state-of-the-art image model that can take on complex visual tasks and produce precise, immediately usable visuals, with sharper editing, richer layouts, and thinking-level intelligence.
Video made with ChatGPT Images
ChatGPT Images 2.0 is a step change in detailed instruction following, placing and relating objects accurately, and rendering dense text, with the ability to generate across aspect ratios.
It’s also accurate across languages and uses its expanded visual and world knowledge to fill in the gaps for you, so you get smarter images with less prompting.
It can now use apps on your Mac, connect to more of your tools, create images, learn from previous actions, remember how you like to work, and take on ongoing and repeatable tasks.
With computer use on macOS, Codex can now use any app by seeing, clicking, and typing with its own cursor.
It runs in the background without taking over your computer, working on tasks like frontend iteration, app testing, or any workflow that doesn't expose an API.
Feb 13 • 6 tweets • 2 min read
GPT-5.2 derived a new result in theoretical physics.
We’re releasing the result in a preprint with researchers from @the_IAS, @VanderbiltU, @Cambridge_Uni, and @Harvard. It shows that a gluon interaction many physicists expected would not occur can arise under specific conditions.
openai.com/index/new-resu…
Gluons carry the strong nuclear force, which is the force that binds quarks together inside protons and neutrons.
Without the strong force, atomic nuclei would not exist.
It is one of the four fundamental forces of nature and a core part of the Standard Model of particle physics.
Feb 5 • 4 tweets • 2 min read
We worked with @Ginkgo to connect GPT-5 to an autonomous lab, so it could propose experiments, run them at scale, learn from the results, and decide what to try next. That closed loop brought protein production cost down by 40%.
GPT-5 was connected to an autonomous lab: it designed experiments, the lab executed them, and the results informed the next designs across six iterations.
In this setup, GPT-5 designed batches of experiments, the lab executed them, and the data fed back into the next round. We repeated that cycle six times, exploring 36,000+ reaction compositions across 580 automated plates.
Jan 27 • 4 tweets • 2 min read
Introducing Prism, a free workspace for scientists to write and collaborate on research, powered by GPT-5.2.
Available today to anyone with a ChatGPT personal account: prism.openai.com
Prism offers unlimited projects and collaborators in a single, cloud-based, LaTeX-native workspace.
GPT-5.2 works inside your project with access to paper structure, equations, references, and surrounding context—right where the work happens.
Jan 16 • 4 tweets • 2 min read
In the coming weeks, we plan to start testing ads in ChatGPT free and Go tiers.
We’re sharing our principles early on how we’ll approach ads–guided by putting user trust and transparency first as we work to make AI accessible to everyone.
What matters most:
- Responses in ChatGPT will not be influenced by ads.
- Ads are always separate and clearly labeled.
- Your conversations are private from advertisers.
- Plus, Pro, Business, and Enterprise tiers will not have ads.
Here's an example of what the first ad formats we plan to test could look like.
Jan 7 • 6 tweets • 2 min read
Introducing ChatGPT Health — a dedicated space for health conversations in ChatGPT. You can securely connect medical records and wellness apps so responses are grounded in your own health information.
Designed to help you navigate medical care, not replace it.
Join the waitlist to get early access.
openai.com/index/introduc…
ChatGPT Health can help you navigate everyday questions and spot patterns over time, so you feel more informed, prepared, and confident for important medical conversations.
Dec 18, 2025 • 5 tweets • 2 min read
To preserve chain-of-thought (CoT) monitorability, we must be able to measure it.
We built a framework + evaluation suite to measure CoT monitorability — 13 evaluations across 24 environments — so that we can actually tell when models verbalize targeted aspects of their internal reasoning. openai.com/index/evaluati…
Monitoring a model’s chain-of-thought is far more effective than watching only its actions or final answers.
The more a model “thinks” (longer CoTs), the easier it is to spot issues.
Dec 16, 2025 • 7 tweets • 3 min read
Accelerating scientific progress is one of the most impactful ways AI can benefit society. Models can already help researchers reason through hard problems — but doing this well means testing models on tougher evaluations and in real scientific workflows grounded in experiments.
We’re releasing a new eval to measure expert-level scientific reasoning: FrontierScience.
This benchmark measures PhD-level scientific reasoning across physics, chemistry, and biology.
It contains hard, expert-written questions (both olympiad-style problems and longer research-style tasks) designed to reveal where models succeed and where they fall short. openai.com/index/frontier…
Dec 11, 2025 • 8 tweets • 2 min read
GPT-5.2 is now rolling out to everyone. openai.com/index/introduc…
GPT-5.2 Instant, Thinking, and Pro are rolling out today, starting with Plus, Pro, Business, and Enterprise plans. Free and Go users will get access tomorrow.
GPT-5.2 is also now in the API and Codex.
Nov 24, 2025 • 7 tweets • 2 min read
Introducing shopping research, a new experience in ChatGPT that does the research to help you find the right products.
It’s everything you like about deep research but with an interactive interface to help you make smarter purchasing decisions.
Shopping research asks smart clarifying questions, researches deeply across the internet, reviews quality sources, and builds on ChatGPT’s understanding of you from past conversations and memory to deliver a personalized buyer’s guide in minutes.
We’ve developed a new way to train small AI models with internal mechanisms that are easier for humans to understand.
Language models like the ones behind ChatGPT have complex, sometimes surprising structures, and we don’t yet fully understand how they work.
This approach helps us begin to close that gap. openai.com/index/understa…
Most neural networks today are dense and highly entangled, making it difficult to understand what each part is doing.
In our new research, we train “sparse” models—with fewer, simpler connections between neurons—to see whether their computations become easier to understand.
Nov 12, 2025 • 5 tweets • 2 min read
GPT-5.1 in ChatGPT is rolling out to all users this week.
It’s smarter, more reliable, and a lot more conversational.
Today we’re introducing GDPval, a new evaluation that measures AI on real-world, economically valuable tasks.
Evals ground progress in evidence instead of speculation and help track how AI improves at the kind of work that matters most. openai.com/index/gdpval-v0
GDPval spans 44 occupations selected from the top 9 sectors contributing to U.S. Gross Domestic Product (GDP).
Sep 17, 2025 • 7 tweets • 3 min read
Today we’re releasing research with @apolloaievals.
In controlled tests, we found behaviors consistent with scheming in frontier models—and tested a way to reduce it.
While we believe these behaviors aren’t causing serious harm today, this is a future risk we’re preparing for. openai.com/index/detectin…
Scheming = when an AI behaves one way on the surface while hiding its true goals.
Today’s deployed systems have little opportunity to scheme in ways that could cause serious harm. The most common failures are simple deceptions—like pretending to complete a task without doing it. We’ve studied and mitigated these issues and made meaningful improvements in GPT-5 over earlier models.
But as AIs take on more complex, long-term tasks with real-world impact, the potential for harmful scheming will grow—so our safeguards and testing must grow with it.
Aug 5, 2025 • 7 tweets • 3 min read
We released two open-weight reasoning models—gpt-oss-120b and gpt-oss-20b—under an Apache 2.0 license.
Developed with open-source community feedback, these models deliver meaningful advancements in both reasoning capabilities & safety.
openai.com/index/introduc…
gpt-oss-120b matches OpenAI o4-mini on core benchmarks and exceeds it in narrow domains like competitive math or health-related questions, all while fitting on a single 80GB GPU (or high-end laptop).
gpt-oss-20b fits on devices as small as 16GB, while matching or exceeding OpenAI o3-mini.
Jul 17, 2025 • 7 tweets • 3 min read
ChatGPT can now do work for you using its own computer.
Introducing ChatGPT agent—a unified agentic system combining Operator’s action-taking remote browser, deep research’s web synthesis, and ChatGPT’s conversational strengths.
ChatGPT agent starts rolling out today to Pro, Plus, and Team users.
Pro users will get access by the end of day, while Plus and Team users will get access over the next few days.
