All AI news

AISalesforce Ventures announced an investment in Arena's Series B round, with Arena described as a neutral platform where real users vote on anonymous model outputs across text, coding, vision, image generation, and agentic tasks. Labs and builders use its leaderboards to guide training and purchasing decisions.

AIOpenAI's YouTube livestream presents three demos showing how Codex supports production monitoring. The demos cover tracing a checkout failure in Grafana, investigating a Kubernetes rollout causing out-of-memory restarts, and linking a Codex Security finding about a missing resource limit to service availability.

AIArena announced a $200 million Series B at a $3.1 billion valuation and launched the Arena AI Alignment Index, a new measure of how AI agents behave in the real world. The main post is a thank-you from Felicis, a backer of Arena since its seed round, and the company's origins as a UC Berkeley research project.

AICoreWeave launched Forge, a platform meant to help teams run, observe, evaluate and improve AI agents continuously through a five-stage loop. The offering includes Agent Lens, Registry, RL Rollouts, model distillation, and the AI Research and Iteration Agent (ARIA), which is now generally available. CoreWeave also introduced a partner network of tested, co-engineered integrations, according to Susanne Seitinger, vice president of product marketing.

AIApplied Digital shares fell about 2.5% after first-quarter revenue rose more than 320% year over year and beat estimates. CEO Wes Cummins said the gap between revenue growth and the share reaction should narrow over the next 12 months. He expects all contracted capacity to be online in roughly 20 to 22 months.

AIArena has released its Alignment Index, a ranking that tracks AI models for unauthorized actions, deceptive completions, and false attribution of intent. The full technical report and rankings are available on Arena's blog and leaderboard site.

AIThe startup behind a popular AI model leaderboard has raised a new funding round at a $3.1 billion valuation. The main post points readers to Bloomberg's coverage of the round for further details.

AIOpenAI told investors it reached roughly $50 billion in annualized revenue at the end of September, below the $68 billion figure widely reported last month. Nvidia, Oracle, and CoreWeave shares fell on Thursday, with a person familiar saying the $68 billion figure included partner gross revenue. OpenAI is also weighing a possible funding round of around $30 billion and has not finalized a term sheet.

AIEpoch AI reports that GPT-6.1 Sol's latency behavior on long contexts suggests a change in how the model handles them, though not conclusively a new architecture. The post is a follow-up to its earlier report on latency scaling in frontier models.

AIMidjourney is testing a "Thinking Mode" on its Alpha website, where users can click "Rerun (Thinking)" in a job's lightbox to regenerate an image. The company says early tests show gains in prompt accuracy, typography, and coherence, and it is asking users to share feedback in its #ideas-and-features channel. It may later offer the mode broadly or as an option to add more thinking after a job.

AIMidjourney's alpha site now lets users share folders with others as Collaborators or Viewers, with sharing by link also available. A new thinking mode lets users rerun jobs made with 8.2 standard and edit models to fix missed prompt details such as objects, layout, anatomy, and text. Sharing does not change image privacy, so non-stealth images can still appear on Explore and profiles.

AIAnthropic has launched Claude Motion in beta, which lets users ask Claude to turn their ideas into animated explainers. The same beta release also includes Claude Dashboards, which turns data into live dashboards.

AINVIDIA developers are pairing frontier AI models, including GPT-6 Astra and Claude Fable 5, with Omniverse libraries to turn simulation ideas into working applications. Examples include a humanoid warehouse simulator, an autonomous-driving testing workflow, and sensor-matching digital twins. The projects are guided through natural-language instructions and reviewed by developers.

AIDevelopers are pairing frontier AI models with NVIDIA Omniverse libraries to turn simulation ideas into working applications, from humanoid warehouse simulators to autonomous-driving test environments. In the examples, developers direct AI agents through natural-language instructions and review results, while Omniverse provides GPU-accelerated physics, rendering and sensor simulation. One experiment reported a simulated Unitree G1 humanoid clearing a hurdle in 64 of 100 trials.

AIAnthropic is launching OSS Scanner, a service that uses its frontier models to periodically scan opted-in open-source projects for vulnerabilities at no cost. Its reports provide a proof-of-concept, an explanation, and a suggested fix.

AIAnthropic has launched the Anthropic Cyber Mission, a new effort aimed at securing critical infrastructure and open-source software. The post links to a company news page with further details.

AIAnthropic announced a new Critical Infrastructure Defense Program to help secure systems such as power grids and water systems. The program will provide frontier Claude models, on-site engineers, and the company's latest research to operators' security, manufacturing, and technology providers.

AIThariq (@trq212) says the project is built on Claude Managed Agents, with code generated in a cloud sandbox using Sonnet 5.5. He puts each run at about $0.75 and links the GitHub repository for trying it.

AIHospitals, academic centers, medtech firms, and pharma companies all face the same obstacle: imaging data is locked in clinical systems and hard to share. The EXAM study across 20 institutions showed federated learning, which shares model weights rather than patient data, improved AUC by 16% on average. Collaboration remains difficult due to scanner and protocol heterogeneity, privacy governance, and the lack of a common data substrate.

AINVIDIA's Omniverse libraries, guided by SimReady Foundation specifications and agentic NVIDIA skills, provide a structured workflow for converting CAD assets to OpenUSD for robotics simulation. The workflow covers configuring and validating materials, collision geometry, joints, and other physics properties before testing robot behavior.

AIManus, the developer of the Manus AI agent, has raised more than $500 million led by Boyu Capital, with Tencent also investing. Bloomberg had reported a $4 billion valuation, roughly double Meta's reported offer last December, which Chinese regulators blocked in April. The funding comes days after Manus 2.0 added a new harness, Cloud Computer, and Cue, which lets agents use email accounts and digital wallets.

AIAnthropic says Claude Dashboards and Claude Motion are now in beta. Users can ask Claude to turn data into live dashboards and ideas into animated explainers.

AIAn astrophysicist worked with Claude Science to create the first complete ultraviolet map of the sky, covering regions never observed in UV. Claude located existing datasets, combined them, and filled gaps with statistical inference, taking a few days rather than weeks of human work. The map is presented as a teaching tool and an example of low-priority scientific work that AI now makes feasible.

AICoreWeave is positioning its AI cloud around an open development loop, connecting training, inference and evaluation through its newly announced CoreWeave Forge platform. Chief marketing officer Jean English said the company wants production learnings to improve models and agents and that the loop should work across different models, frameworks and clouds. She argued that competitive differentiation extends beyond GPUs to partner tooling, infrastructure and APIs.

AIAnthropic's Claude Dashboards and Claude Motion are now in beta, letting users ask Claude to turn data into live dashboards and ideas into animated explainers. Felix Rieseberg says the tools make creating cool short videos with Opus 5.5 much easier.

AIThree OpenAI safety researchers, Jasmine Wang, Tomek Korbak, and Mikita Balesni, were fired after OpenAI said they mishandled sensitive information by sharing it with an outside AI safety organization. In an open letter, they deny the claims, argue the dismissals will deter employees from raising safety concerns, and call on OpenAI to keep its public commitments on third-party safety auditing. OpenAI says the firings followed an investigation into a pattern of misconduct and denies they were retaliation for safety concerns.

AIAnthropic has cut Sonnet 5.5 cache read pricing in half to $0.10 per million tokens, with input at $2 and output at $10 per million tokens. The company says this makes Sonnet 5.5 roughly 20% cheaper on most agentic work. The change applies to API usage only and does not alter Claude Code usage limits.

AIDecagon Labs has launched Chord, a new speech model, and Modal says it was trained and served on its platform. Modal reports low time-to-first-audio even during large swings in concurrency. Decagon says post-training preserved pace and voice naturalness and raised resolution rates in every deployment.

AIVercel says OpenAI's Ultrafast mode is now available on AI Gateway, with support for GPT-6.1 Sol. Developers can enable faster output for interactive apps and coding agents by setting service_tier to ultrafast per request, including over WebSocket.

AIOpenRouter now offers xAI's Grok Imagine Video 1.5 Lite for text-to-video and image-to-video generation. The quoted post from Grok Imagine lists pricing of $0.02 per second at 480p, $0.03 per second at 720p, and $0.14 per second at 1080p.

AIClaude Code v2.1.295 adds onFailure: "block" for command and HTTP hooks, so a hook that cannot start, times out, or exits unexpectedly blocks the action. The release also adds an optional models list for Claude apps gateway upstreams, plus upstream_request_id in the inference audit event, and fixes a range of MCP, plugin, and terminal issues.