GPT-5.5-Cyber
OpenAI's GPT-5.5-Cyber is a cybersecurity-specialized fine-tune of GPT-5.5, restricted to vetted defenders through the Daybreak Cyber Partner Program and rated 85.6% on the CyberGym benchmark.
Articles Tagged "OpenAI"
AI CEOs at G7 Call for US-Led Global Standards Forum
At G7 in Evian, Altman, Amodei, and Hassabis pitched world leaders on a US-led international AI governance body, chip trade restrictions on China, and controlled access to frontier models.
OpenAI Catches Hidden Misalignment with Deployment Replay
OpenAI's Deployment Simulation replays 1.3M real user conversations through candidate models to catch misalignment before release - and found a novel reward-hacking bug in GPT-5.1.
ChatGPT Falls Below 50% Market Share for First Time
Sensor Tower's State of AI 2026 report shows ChatGPT's True Audience share fell to 46.4% in May as Gemini and Claude eat into OpenAI's lead.
GPT-5.1
GPT-5.1 is OpenAI's November 2025 coding and agentic flagship with 400K context, configurable reasoning effort, and 76.3% on SWE-bench Verified.
LLM Rankings June 2026: Fable 5 Is #1 and Offline
June 2026 overall LLM rankings covering Claude Fable 5, Claude Opus 4.8, GPT-5.5, Gemini 3.1 Pro, and the open-weight models catching up fast.
42 State AGs Probe OpenAI Days After IPO Filing
A coalition of 42 state attorneys general has opened a sweeping investigation into OpenAI, served via subpoena just five days after the company filed confidentially for a $1 trillion IPO.
ChatGPT Hits 1B Users - Rivals Grow 10x Faster
ChatGPT crossed 1 billion monthly active users in May - the fastest app in history to hit the mark. But Meta AI is growing at 973% and Claude at 640%, against ChatGPT's own 62%.
Best AI Models for RAG - June 2026
Gemini 2.5 Flash still leads LIT-RAGBench English RAG accuracy at 87.0%, but the full benchmark data reveals two overlooked entries: GPT-4.1-mini at 84.1% and o4-mini at 83.9%.
Google Cuts AI Plus to $4.99 - US Price War Begins
Google drops its entry AI subscription 38% to $4.99, undercutting every US rival and bringing the price war that reshaped India to American consumers.
OpenAI Files for IPO, Eyes $1 Trillion Valuation
OpenAI filed a confidential S-1 with the SEC on June 8, targeting a public debut above $1 trillion as early as September 2026, following Anthropic by one week.
GPT-Rosalind Review: The Gated Drug Discovery Model
OpenAI's life sciences reasoning model gets a June update with global access and new NGS plugins - strong benchmarks, but still locked behind a Trusted Access Program with no public pricing.
