251

OpenAI "Single-minus graviton tree amplitudes are nonzero" preprint announcement

OpenAI released a preprint showing that single-minus graviton tree amplitudes are non‑zero in a half‑collinear regime, a result derived with substantial assistance from the AI model GPT‑5.2 Pro.

252

Axios Local AI Integration

Axios is utilizing OpenAI tools to scale high-impact local journalism by automating production workflows, analyzing public data, and reducing the operational costs of launching new city newsrooms.

253

OpenAI Learning Outcomes Measurement Suite

OpenAI has introduced the Learning Outcomes Measurement Suite, a framework designed to track the longitudinal impact of AI on student learning beyond simple test scores.

254

GPT-5.3 Instant release: smoother, more accurate everyday conversations

OpenAI announced GPT‑5.3 Instant, an update that makes everyday ChatGPT conversations smoother, more accurate, and less prone to unnecessary refusals or over‑cautious language.

255

GPT-5.3 Instant release notes

OpenAI has released GPT-5.3 Instant, a model designed for faster response times and improved web search contextualization with a streamlined conversational flow.

256

OpenAI Agreement with the Department of War

OpenAI has entered into an agreement with the Department of War to deploy advanced AI systems in classified environments using a cloud-only architecture and strict safety guardrails.

257

Stateful Runtime Environment for Agents in Amazon Bedrock

OpenAI and Amazon have collaborated to launch a Stateful Runtime Environment in Amazon Bedrock, providing a native AWS infrastructure for AI agents to maintain state, reliability, and governance across multi-step production workflows.

258

OpenAI and Amazon Strategic Partnership

OpenAI and Amazon have announced a multi-year strategic partnership involving a $50 billion investment in OpenAI and the co-creation of a Stateful Runtime Environment on Amazon Bedrock.

259

OpenAI Scaling AI for Everyone Announcement

OpenAI has secured $110 billion in new investment from SoftBank, NVIDIA, and Amazon at a $730 billion pre-money valuation to expand compute infrastructure and global AI distribution.

260

OpenAI and Microsoft Joint Statement on Partnership Continuity

OpenAI and Microsoft have confirmed that their strategic partnership remains unchanged despite OpenAI's new funding and partnerships with other cloud providers, including Amazon.

261

OpenAI Mental Health Safety Updates and Litigation Status

OpenAI is introducing a trusted contact feature for adult users and enhancing model detection of emotional distress, while addressing the consolidation of mental health-related legal proceedings in California.

262

OpenAI and PNNL Partner to Accelerate Federal Permitting

OpenAI and the Pacific Northwest National Laboratory (PNNL) have partnered to evaluate the use of coding agents to accelerate the National Environmental Policy Act (NEPA) federal permitting process, demonstrating a potential 15% reduction in drafting time.

263

OpenAI Codex and Figma Integration: Seamless Code-to-Design Workflow

OpenAI and Figma have launched a code-to-design integration powered by the Figma MCP Server, allowing users to move seamlessly between Codex code generation and the Figma design canvas.

264

OpenAI Disrupting Malicious Uses of AI Report February 2026

OpenAI released a threat report detailing how threat actors combine AI models with traditional tools like social media and websites to execute malicious campaigns.

265

OpenAI Appoints Arvind KC as Chief People Officer

OpenAI has appointed Arvind KC as Chief People Officer to lead organizational growth and develop models for AI-enabled work transitions.

266

OpenAI Discontinues SWE-bench Verified Evaluation

OpenAI has stopped reporting SWE-bench Verified scores because flawed test cases and training data contamination make the benchmark an unreliable measure of frontier model coding capabilities.

267

OpenAI Frontier Alliance Partners Announcement

OpenAI has launched the Frontier Alliance, partnering with McKinsey, BCG, BCG X, Accenture, and Capgemini to help enterprises deploy and scale AI coworkers using the Frontier platform.

268

OpenAI First Proof Submissions

OpenAI has submitted proof attempts for the First Proof research-level math challenge, with internal models potentially solving at least five of the ten problems.

269

OpenAI Grant for The Alignment Project

OpenAI has announced a $7.5 million grant to The Alignment Project, a UK AI Security Institute (UK AISI) fund designed to scale independent research into AI alignment and safety.

270

OpenAI for India Initiative

OpenAI has launched 'OpenAI for India,' a nationwide initiative partnering with Tata Group and other institutions to build sovereign AI infrastructure, accelerate enterprise adoption, and expand AI upskilling across the country.

271

OpenAI Introducing EVMbench

OpenAI and Paradigm have released EVMbench, a benchmark designed to evaluate AI agents' ability to detect, patch, and exploit high-severity smart contract vulnerabilities.

272

GPT-5.2 Derives New Result in Theoretical Physics

OpenAI has announced that GPT-5.2 Pro and a scaffolded version of GPT-5.2 were used to derive a new result in theoretical physics regarding non-zero gluon tree amplitudes in the half-collinear regime.

273

ChatGPT Lockdown Mode and Elevated Risk Labels

OpenAI has introduced Lockdown Mode and Elevated Risk labels to mitigate prompt injection attacks and provide users with greater control over data exfiltration risks.

274

OpenAI Scaling Access to Codex and Sora via Hybrid Credit System

OpenAI has implemented a real-time access engine that combines rate limits with a purchasable credit system to prevent hard stops for Codex and Sora users.

275

OpenAI GABRIEL: Scaling Social Science Research with GPT

OpenAI has released GABRIEL, an open-source Python toolkit that uses GPT to transform unstructured text and images into quantitative measurements for social science research.

276

GPT-5.3-Codex-Spark Release Notes

OpenAI has released GPT-5.3-Codex-Spark, a small, low-latency model optimized for real-time coding collaboration and delivering over 1,000 tokens per second on Cerebras hardware.

277

OpenAI Harness Engineering: Leveraging Codex for Zero-Manual-Code Development

OpenAI developed an internal software product with zero lines of manually-written code using Codex, reducing development time by approximately 10x through a shift from manual coding to environment design and agent orchestration.

278

OpenAI Integrates ChatGPT into GenAI.mil for Department of War

OpenAI is deploying a custom version of ChatGPT to GenAI.mil, providing 3 million Department of War personnel with secure, unclassified generative AI capabilities for administrative and operational support.

279

OpenAI Localization Approach and OpenAI for Countries Initiative

OpenAI has introduced a framework for localized AI systems through the OpenAI for Countries initiative, allowing nations to adapt frontier models to local languages, laws, and cultural norms while adhering to global safety red-lines.

280

GPT-5 Lowers the Cost of Cell-Free Protein Synthesis

OpenAI and Ginkgo Bioworks used GPT-5 in a closed-loop autonomous lab system to reduce cell-free protein synthesis costs by 40% and reagent costs by 57%.

281

OpenAI Trusted Access for Cyber

OpenAI has launched Trusted Access for Cyber, an identity-based framework to provide security professionals with prioritized access to GPT-5.3-Codex to accelerate cyber defense and vulnerability remediation.

282

OpenAI Frontier Platform Release

OpenAI has introduced Frontier, an end-to-end platform designed to help enterprises build, deploy, and manage AI agents with shared business context, secure execution environments, and integrated governance.

283

GPT-5.3-Codex System Card

OpenAI has released GPT-5.3-Codex, an agentic coding model that integrates GPT-5.2-Codex performance with GPT-5.2 reasoning to handle complex, long-running technical tasks.

284

GPT-5.3-Codex release notes / what's new

OpenAI has released GPT-5.3-Codex, an agentic coding model that improves upon GPT-5.2-Codex in performance, reasoning, and speed, enabling it to execute complex, long-running technical tasks autonomously.

285

OpenAI Codex App Server Architecture and Integration

OpenAI has introduced the Codex App Server, a JSON-RPC based protocol and process that exposes the Codex agent harness to various clients, enabling a consistent agent experience across IDEs, web runtimes, and terminal interfaces.

286

OpenAI Sora Feed Philosophy

OpenAI has detailed the design principles and safety frameworks for the Sora feed, focusing on creativity-driven ranking, personalized recommendations, and multi-layered safety guardrails.

287

Snowflake and OpenAI Partnership for Enterprise Intelligence

OpenAI and Snowflake have entered a $200 million agreement to integrate OpenAI frontier models, including GPT-5.2, directly into the Snowflake AI Data Cloud to enable the creation of secure, data-grounded AI agents and applications.

288

OpenAI Codex app release – multi‑agent desktop interface for macOS and Windows

OpenAI launched the Codex desktop app for macOS (with Windows support added in March 2026), a unified interface that lets developers run, supervise, and collaborate with multiple AI agents in parallel, extend them with reusable skills, and automate repetitive tasks.

289

Inside OpenAI's In-House Data Agent

OpenAI has developed a bespoke internal AI data agent that enables employees to perform complex data analysis across 600 petabytes of data using natural language, utilizing a multi-layered context system and a self-learning reasoning loop.

290

OpenAI Retires GPT-4o, GPT-4.1, and o4-mini in ChatGPT

OpenAI is retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini from ChatGPT on February 13, 2026, as usage has shifted to GPT-5.2.

291

Taisei Corporation ChatGPT Enterprise Implementation

Taisei Corporation has deployed ChatGPT Enterprise as a core component of its talent development strategy to expand human potential and reshape workforce capabilities in the construction industry.

292

OpenAI EU Economic Blueprint 2.0

OpenAI has launched the EU Economic Blueprint 2.0, introducing a program to train 20,000 SMEs, a youth safety grant, and expanded government partnerships to close Europe's AI capability overhang.

293

OpenAI EMEA Youth & Wellbeing Grant 2026

OpenAI launched a €500,000 EMEA Youth & Wellbeing Grant to fund NGOs and researchers working on AI safety, wellbeing, and development for young people across Europe, the Middle East, and Africa.

294

OpenAI AI Agent Link Safety

OpenAI has implemented a system to prevent URL-based data exfiltration by only allowing AI agents to automatically fetch URLs that have been previously verified as public via an independent web index.

295

PVH and OpenAI Fashion Partnership

The provided source material for the PVH and OpenAI partnership is unavailable due to a server error, and no technical details could be retrieved.

296

OpenAI Prism Release

OpenAI has launched Prism, a free, AI-native LaTeX workspace powered by GPT-5.2 designed to integrate scientific writing, collaboration, and reasoning into a single environment.

297

TRUSTBANK Choice AI: Personalizing Furusato Nozei with Multi-Agent Architecture

TRUSTBANK has integrated OpenAI's GPT-4.1 series into its Furusato Choice platform via a multi-agent AI system to help taxpayers navigate over 760,000 thank-you gifts in Japan's hometown tax donation program.

298

Indeed AI Integration Update

The source material for the announcement regarding how Indeed uses AI to evolve the job search is currently unavailable due to a server error.

299

OpenAI Codex CLI Agent Loop Technical Overview

OpenAI explains the agent loop architecture of the Codex CLI, detailing how it manages model inference, prompt construction, and context window optimization via prompt caching and compaction.

300

Scaling PostgreSQL to power 800 million ChatGPT users

OpenAI scaled PostgreSQL to support 800 million users and millions of queries per second by utilizing a single-primary architecture with nearly 50 read replicas and aggressive workload optimization.