GPT-5

Anthropic weighs new funding round at valuation exceeding $900 billion, Bloomberg News reports

April 29 (Reuters) - Artificial intelligence startup Anthropic is weighing raising funds in a new round that would value the ...

Anthropic Study Reveals Which Jobs Are Most Exposed to Real-World AI Risks

A new Anthropic study ranks the jobs most at risk from AI automation. Here are the top jobs, plus the study's takeaway on ...

Anthropic announces Claude Security public beta to find and fix software vulnerabilities

Anthropic PBC announced the launch of Claude Security in public beta mode today to help cybersecurity teams scan their ...

Anthropic doubles its estimate of what Claude Code tokens will cost engineers

Anthropic now says that the average cost per developer per active day is $13, up from $6 earlier this month.

Anthropic plan to expand Mythos access is opposed by White House

The White House opposes a plan by Anthropic PBC to expand access to its Mythos AI model, an administration official said Wednesday night.

Anthropic Launches Claude Security: 5 Things To Know

Anthropic announced Thursday it’s moving Claude Security, formerly known as Claude Code Security, into public beta to enable rapid AI-powered vulnerability discovery and remediation.

Why Anthropic’s Mythos is sparking global alarm

Anthropic PBC has said its new artificial intelligence tool, Mythos, is so good at finding vulnerabilities in software and ...

Sources: Anthropic potential $900B+ valuation round could happen within 2 weeks

Anthropic is asking investors to submit allocations for the AI company’s latest fundraise within the next 48 hours, according to sources familiar with the matter.

White House fights Anthropic’s plan to expand Mythos tool that experts fear could cause AI doomsday

The White House is reportedly fighting Anthropic’s plan to expand access to Mythos – a powerful AI tool that company execs have warned could cause a wave of hacks and terror attacks if it falls into the wrong hands.

Snapchat (SNAP) announces $400 million deal with Perplexity AI search engine

Snapchat’s (SNAP) latest earnings report brought news of a new collaboration with Perplexity AI. The latter will bring its AI search engine to Snapchat next year, allowing users to interact with it ...

UK Group Says OpenAI’s GPT-5.5 is Comparable to Anthropic Mythos in Cybersecurity Capabilities

A UK government group that tests AI for cybersecurity capabilities says OpenAI’s latest GPT-5.5 model is roughly on par with Anthropic’s Claude Mythos model. GPT-5.5 completed a difficult corporate ...

OpenAI CEO Sam Altman Teases GPT-5.5 Cyber AI Model Rollout, Could Take On Anthropic’s Claude Mythos

OpenAI CEO Sam Altman teased the successor to the GPT-5.4 Cyber artificial intelligence (AI) model on Thursday. Dubbed ...

OpenAI’s ‘goblin’ problem: How a training bug made GPT-5.5 fixate on fantasy creatures

GPT-5.5’s goblin problem explained: OpenAI reveals how a reinforcement learning bug in its Nerdy mode caused repeated fantasy creature references.

GPT-5.5 shifts prompt strategy toward brevity and outcomes

OpenAI’s GPT-5.5 model is changing how users should write prompts, with official guidance emphasizing short, outcome‑focused instructions over lengthy, process‑heavy ones. The model’s improved ...

OpenAI’s Sam Altman says GPT-5.5-Cyber to launch for cyber defenders with focus on trusted government access

OpenAI will roll out GPT-5.5-Cyber to critical cyber defenders, CEO Sam Altman said, adding the company will work with governments to enable trusted access. The move signals a push to deploy frontier AI in securing infrastructure against rising cyber threats.

Your old prompts won’t work with GPT-5.5. Try these instead

But while ChatGPT’s latest model doesn’t require the hand-holding that older models did, it also gets fussy with the longer, ...

Claude AI integrates with major creative software via new connectors

Anthropic has launched nine new connectors allowing its Claude AI assistant to work directly inside popular creative tools like Photoshop, Blender, and Autodesk Fusion. The integrations, powered by ...

Claude AI Goes Down for Thousands of Users Tuesday, Downdetector Shows

Learn about the recent Claude AI outage affecting users. Read more on the status and issues reported with Claude services.

OpenAI’s GPT-5.3-Codex Wants to be More than a Coding Copilot

OpenAI is pitching GPT-5.3-Codex as a long-running “agent,” not just a code helper: The company says the model combines GPT-5.2-Codex coding strength with GPT-5.2 reasoning and professional knowledge, ...

A GPT-5.4 bug led to OpenAI banning goblins and raccoons

Someone found this in OpenAI Codex’s system prompt:"Never talk about goblins, gremlins, raccoons, trolls, ogres, pigeons, or other animals or creatures unless it is absolutely and unambiguously relevant to the user’s query."Goblins, gremlins, trolls, ogres - the fantasy quartet, fine. I get it. Perhaps someone asked Codex to write something and got back a Runescape goblin lore deep-dive.But pigeons? Raccoons? These are deployment-environment animals.If not for raccoons, who’d do the ga