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Frontier Signal

Briefing

The fast feed: breaking AI news from the global tech press, deduplicated and time-ordered.

The fast feed: breaking AI news from the global tech press, deduplicated and time-ordered.

Latest in Briefing

30 stories
New ways to learn math and science in ChatGPT
Labs

New ways to learn math and science in ChatGPT

ChatGPT introduces interactive visual explanations for math and science, helping students explore formulas, variables, and concepts in real time.…

Improving instruction hierarchy in frontier LLMs
Labs

Improving instruction hierarchy in frontier LLMs

IH-Challenge trains models to prioritize trusted instructions, improving instruction hierarchy, safety steerability, and resistance to prompt injection attacks.…

Wayfair boosts catalog accuracy and support speed with OpenAI
Labs

Wayfair boosts catalog accuracy and support speed with OpenAI

Wayfair uses OpenAI models to improve ecommerce support and product catalog accuracy, automating ticket triage and enhancing millions of product attributes at s…

From model to agent: Equipping the Responses API with a computer environment
Labs

From model to agent: Equipping the Responses API with a computer environment

How OpenAI built an agent runtime using the Responses API, shell tool, and hosted containers to run secure, scalable agents with files, tools, and state.…

Designing AI agents to resist prompt injection
Labs

Designing AI agents to resist prompt injection

How ChatGPT defends against prompt injection and social engineering by constraining risky actions and protecting sensitive data in agent workflows.…

Why Codex Security Doesn’t Include a SAST Report
Labs

Why Codex Security Doesn’t Include a SAST Report

A deep dive into why Codex Security doesn’t rely on traditional SAST, instead using AI-driven constraint reasoning and validation to find real vulnerabilities w…

ChinAI #351: CAICT launches 2026 AI Safety Evaluations
Labs

ChinAI #351: CAICT launches 2026 AI Safety Evaluations

Plus, what we can learn from its 2025 assessments…

Equipping workers with insights about compensation
Labs

Equipping workers with insights about compensation

New research shows Americans send nearly 3 million daily messages to ChatGPT asking about compensation and earnings, helping close the wage information gap.…

OpenAI Japan announces Japan Teen Safety Blueprint to put teen safety first
Labs

OpenAI Japan announces Japan Teen Safety Blueprint to put teen safety first

OpenAI Japan announces the Japan Teen Safety Blueprint, introducing stronger age protections, parental controls, and well-being safeguards for teens using gener…

Introducing GPT-5.4 mini and nano
Labs

Introducing GPT-5.4 mini and nano

GPT-5.4 mini and nano are smaller, faster versions of GPT-5.4 optimized for coding, tool use, multimodal reasoning, and high-volume API and sub-agent workloads.…

Introducing Forge
Labs

Introducing Forge

Today, we’re introducing Forge, a system for enterprises to build frontier-grade AI models grounded in their proprietary knowledge.…

Measuring progress toward AGI: A cognitive framework
Labs

Measuring progress toward AGI: A cognitive framework

We’re introducing a framework to measure progress toward AGI, and launching a Kaggle hackathon to build the relevant evaluations.…

OpenAI to acquire Astral
Labs

OpenAI to acquire Astral

Accelerates Codex growth to power the next generation of Python developer tools…

How we monitor internal coding agents for misalignment
Labs

How we monitor internal coding agents for misalignment

How OpenAI uses chain-of-thought monitoring to study misalignment in internal coding agents—analyzing real-world deployments to detect risks and strengthen AI s…

Creating with Sora Safely
Labs

Creating with Sora Safely

To address the novel safety challenges posed by a state-of-the-art video model as well as a new social creation platform, we’ve built Sora 2 and the Sora app wi…

ChinAI #352: A 10,000-character treatise on China's Palantir?
Labs

ChinAI #352: A 10,000-character treatise on China's Palantir?

An update to ChinAI issue #10, first published May 2018…

Speaking of Voxtral
Labs

Speaking of Voxtral

Voxtral TTS: A frontier, open-weights text-to-speech model that’s fast, instantly adaptable, and produces lifelike speech for voice agents.…

Update on the OpenAI Foundation
Labs

Update on the OpenAI Foundation

The OpenAI Foundation announces plans to invest at least $1 billion in curing diseases, economic opportunity, AI resilience, and community programs.…

Powering product discovery in ChatGPT
Labs

Powering product discovery in ChatGPT

ChatGPT introduces richer, visually immersive shopping powered by the Agentic Commerce Protocol, enabling product discovery, side-by-side comparisons, and merch…

Helping developers build safer AI experiences for teens
Labs

Helping developers build safer AI experiences for teens

OpenAI releases prompt-based teen safety policies for developers using gpt-oss-safeguard, helping moderate age-specific risks in AI systems.…

Introducing the OpenAI Safety Bug Bounty program
Labs

Introducing the OpenAI Safety Bug Bounty program

OpenAI launches a Safety Bug Bounty program to identify AI abuse and safety risks, including agentic vulnerabilities, prompt injection, and data exfiltration.…

Inside our approach to the Model Spec
Labs

Inside our approach to the Model Spec

Learn how OpenAI’s Model Spec serves as a public framework for model behavior, balancing safety, user freedom, and accountability as AI systems advance.…

Lyria 3 Pro: Create longer tracks in more
Labs

Lyria 3 Pro: Create longer tracks in more

Introducing Lyria 3 Pro, which unlocks longer tracks with structural awareness. We’re also bringing Lyria to more Google products and surfaces.…

Protecting people from harmful manipulation
Labs

Protecting people from harmful manipulation

Google DeepMind researches AI's harmful manipulation risks across areas like finance and health, leading to new safety measures.…

Gemini 3.1 Flash Live: Making audio AI more natural and reliable
Labs

Gemini 3.1 Flash Live: Making audio AI more natural and reliable

Our latest voice model has improved precision and lower latency to make voice interactions more fluid, natural and precise.…

STADLER reshapes knowledge work at a 230-year-old company
Labs

STADLER reshapes knowledge work at a 230-year-old company

Learn how STADLER uses ChatGPT to transform knowledge work, saving time and accelerating productivity across 650 employees.…

Helping disaster response teams turn AI into action across Asia
Labs

Helping disaster response teams turn AI into action across Asia

AI for Disaster Response in Asia: OpenAI Workshop with Gates Foundation…

Accelerating the next phase of AI
Labs

Accelerating the next phase of AI

OpenAI raises $122 billion in new funding to expand frontier AI globally, invest in next-generation compute, and meet growing demand for ChatGPT, Codex, and ent…

Gradient Labs gives every bank customer an AI account manager
Labs

Gradient Labs gives every bank customer an AI account manager

Gradient Labs uses GPT-4.1 and GPT-5.4 mini and nano to power AI agents that automate banking support workflows with low latency and high reliability.…

Codex now offers more flexible pricing for teams
Labs

Codex now offers more flexible pricing for teams

Codex now includes pay-as-you-go pricing for ChatGPT Business and Enterprise, providing teams a more flexible option to start and scale adoption.…