BL 9/5/2025

Why language models hallucinate

OpenAI research explains why language models hallucinate and how improved evaluations can enhance AI reliability and safety.

BL 9/5/2025

GPT-5 bio bug bounty call

OpenAI invites researchers to bio bug bounty program testing GPT-5 safety with universal jailbreak prompts; $25K reward.

BL 8/7/2025

GPT-5 and the new era of work

Marketing announcement about GPT-5's impact on enterprise productivity and automation without technical depth.

BL 8/7/2025

Coding and design with GPT-5

Generic marketing content about GPT-5 for coding and design without technical details or original insights.

BL 8/7/2025

How Cursor uses GPT-5

Cursor AI-powered code editor integrates GPT-5 capabilities for development workflows.

BL 8/7/2025

Introducing GPT-5

GPT-5 release announcement: new state-of-the-art model with improvements in coding, math, writing, and vision tasks.

BL 8/7/2025

GPT-5 System Card

GPT-5 system card detailing unified model routing with main, thinking, and nano variants optimized for different tasks.

BL 8/5/2025

Open Weights and AI for All

OpenAI open-sources most capable open-weights models to democratize access to advanced AI capabilities.

BL 8/5/2025

Introducing gpt-oss

Release of gpt-oss-120b and gpt-oss-20b open-weight LLMs under Apache 2.0 with strong reasoning and tool use.

BL 7/17/2025

ChatGPT agent System Card

Technical documentation of ChatGPT agent combining research, browser automation, code execution with safety safeguards.

BL 7/17/2025

Introducing ChatGPT agent

ChatGPT agent can use tools for research, bookings, slideshows with user guidance for complex task completion.

BL 7/17/2025

Agent bio bug bounty call

OpenAI launches ChatGPT agent bug bounty program offering up to $25,000 for safety research and jailbreak testing.