All AI news

AIOpenAI's Fidji Simo praised CellularIntel as a strong example of AI applied to biology and said she is proud to advise the team. The post cites the company's progress from an early idea, and the referenced post reports CellularIntel acquiring the STEM-PD Phase 2-ready allogeneic cell therapy program for Parkinson's from Novo Nordisk, which will also invest in CI.

AIRAGFlow, an open-source RAG engine, has reached 80K GitHub stars, according to PaddlePaddle's congratulatory post. PaddlePaddle said it is a PaddleOCR OCEAN Alliance member collaborating with the RAGFlow team through deep PaddleOCR integration and document AI work.

AI🎉 Quoted teaser exception applies: the main post is only a reaction, so the quoted post carries the news. ERNIE 5.1 is now ranked #4 in Search Arena, making it the only Chinese model in the Top 10. An official release is coming very soon.

AIJan Leike says he is starting a new research project at Anthropic and calls it very exciting. He adds that making AGI go well requires many things, with alignment being only one of them, and promises more details soon.

AIJan Leike has stepped away from running alignment at Anthropic to focus on other work. Ethan Perez and Sam Bowman (@sprice354_) are now leading the team, which Leike says he is confident they will do well.

AIOpenAI reports that its automated system found accidental chain-of-thought grading in RL runs for several released models, including GPT-5.4 Thinking and GPT-5.4 mini. Its analysis found no clear reduction in CoT monitorability, though the company says subtler effects cannot be ruled out. OpenAI says it still avoids grading CoTs during RL and has fixed the affected reward pathways.

Why it matters: The post shows how accidental chain-of-thought grading was detected and tested, giving a concrete method for checking monitorability risks in RL training.

AIAnthropic announced a partnership with SpaceX that will give it more compute, according to the post. The related Claude post says Claude Code's 5-hour rate limits are doubled for Pro, Max, and Team plans, peak-hour reductions are removed for Pro and Max, and Opus API rate limits are substantially raised.

AINick Turley, from OpenAI, asks what can be improved beyond today's instant model update. The post follows a short note from Sam Altman telling ChatGPT users that OpenAI has not forgotten them.

AIOpenAI's Nick Turley reports that usage of the new ChatGPT images feature rose more than 50% within a few weeks. Nearly 60% of daily users are newly logged-in users, and the feature is being used across home design, learning, work graphics, and creative projects.

AIReflection says its mission is to build open, safe, and accessible frontier intelligence, and that it has a responsibility to shape how AI is deployed. The company says a shared understanding with the Pentagon sets a precedent for how AI labs could work across the U.S. government, from supporting service members to scientists.

AIReflection has joined a coalition including AWS, Microsoft, OpenAI, Google, and Nvidia on a framework governing how the U.S. government licenses and deploys AI. The agreement, which includes a non-binding memorandum of understanding with the DoW, commits to safety, red-teaming, and ongoing evaluation and explicitly prohibits unlawful mass surveillance and autonomous weapon use. Reflection says it will keep its commitment to open source while customizing its models for scientists in national labs.

AIMark Chen says GPT-5.5 performs similarly to Mythos on UK AISI's cyber range, which tests long-horizon, agentic capability, and calls it one eval rather than a full picture. He adds that frontier model risks are real and that OpenAI aims to deploy AI people can actually use through mitigations. The attached chart shows completed steps per cumulative token spent for GPT-5.5, Mythos Preview, and several Claude and GPT models, from M1 reconnaissance up to M9 full network takeover.

AIAlphabet has been recognized in TIME's 2026 Most Influential Companies list, with Google's Koray Kavukcuoglu crediting teams for turning AI breakthroughs into everyday user features. TIME's cover story says Sundar Pichai's 2016 "AI-first" push, including custom chips, Cloud, YouTube, and deep AI research, has paid off.

AICognition has opened its Asia-Pacific headquarters in Singapore to expand its autonomous software engineering platform, Devin, across the region. The company says OCBC saw up to 30% improvement in code and test case generation, and its system integration test first-pass rate rose from below 50% to over 80% after deployment. Cognition is building its Singapore team across engineering, go-to-market, and partnerships, with Richard Spence leading APAC.

AIMercedes-Benz is deploying Cognition's Devin and Windsurf across its global engineering teams, from the United States to Europe and Asia. In a four-week pilot, Devin analyzed over 200,000 lines of COBOL code and cut modernization time from an estimated eight months to eight days. The company is now rolling out the full suite, with Windsurf for development, Devin as an autonomous cloud agent, and Devin for Terminal for the most complex tasks.

AIAndy Jassy announced that OpenAI's models will become available directly to customers on Amazon Bedrock in the coming weeks. The availability will be alongside the upcoming Stateful Runtime Environment, giving builders more model choice. More details are expected at the AWS event in San Francisco tomorrow.

AINVIDIA AI Developer announces the winners of a Nemotron hackathon held in South Korea, with a livestream linked for the winners announcement.

AIChip Huyen congratulated Alec Radford, Luke Metz, and Soumith Chintala on winning an ICLR Test of Time award for work published at ICLR 2016. She highlighted that the team's paper was produced by researchers in their twenties without any PhDs among them, and expressed hope that the three collaborate again.

AIAnthropic says three changes to Claude Code, the Claude Agent SDK, and Claude Cowork caused recent quality complaints, and the API was not affected. The fixes were resolved by April 20 (v2.1.116), and the company is resetting usage limits for all subscribers as of April 23.

Why it matters: The postmortem traces three separate changes to specific dates and versions, showing how a bug in context management can look like broad degradation to users.

AICursor's Michael Truell says the company is partnering with the SpaceX team to scale up Composer, calling it a meaningful step toward building the best place to code with AI. The quoted SpaceX post says Cursor gives SpaceX the right to acquire Cursor later this year for $60 billion, or pay $10 billion for the work together. It also cites SpaceX's Colossus training supercomputer, described as a million H100-equivalent system, as a source of training capacity.

AINick Turley of OpenAI reacted with a one-word "good!" to Arena's report that GPT-Image-2 ranked first across all Image Arena leaderboards. Arena cited a 1512 Text-to-Image score, a 242-point lead over the second-place Nano-banana-2 model.

AIOpenAI's Mark Chen rejected the claim that science is no longer a priority, saying AI should accelerate discovery in partnership with scientists. He said Sébastien Bubeck and Helkky are taking on this mandate, which the quoted post frames as a response to reports that OpenAI's VP of Science is leaving.

AINVIDIA AI Developer thanked @Picomoorhead for a contribution to OpenClaw, which the post links to via @openclaw. The post provides no details about what the contribution was or what it enables.

AIThinking Machines has welcomed Luke Drago and @LRudL_, who co-founded Workshop Labs to build AI that keeps humans relevant. Mira Murati says they will continue that mission at Thinking Machines, which builds powerful AI systems that think alongside humans and extend human agency. She ties the hire to the company's broader work, including Tinker, research grants, and advancing the frontier.

AICognition is expanding into Japan, its first step into Asia, and has appointed Takumi Masai as Japan President and General Manager to lead a local team working with Japanese enterprises. DeNA has used Devin to more than double operational efficiency across multiple engineering functions, and Mizuho Securities has deployed it as one of the first large-scale financial institutions in Japan.

AIAwni Hannun invites attendees to Ollama's MLX meetup at Ollama's Palo Alto office this Thursday, April 9, at 6pm. RSVP is required because space is very limited, and food and drinks will be provided.

AIAnthropic's Sam Bowman shared a link to a system card for Claude Mythos Preview. The post itself gives no further details about the model's capabilities, benchmarks, or availability.

AIAnthropic is not releasing Mythos Preview to general availability. Instead, it is giving defenders early, controlled access so they can find and patch vulnerabilities before Mythos-class models spread across the ecosystem.

AIDario Amodei says the company has tracked growing cyber capabilities in AI models for years, which arise from their general coding proficiency. He states that the new model, Mythos Preview, represents a particularly large step up in those capabilities.

AIDario Amodei said many of the world's leading companies have joined Project Glasswing, an effort to address cyber threats posed by increasingly capable AI systems. The initiative was introduced by Anthropic and is powered by its newest frontier model, Claude Mythos Preview, which the quoted post says can find software vulnerabilities better than all but the most skilled humans.

Why it matters: The post gives a concrete example of how a frontier AI lab is organizing industry partners around AI-driven software vulnerability discovery.

AIOpenAI announced applications for its Safety Fellowship, a pilot program supporting external researchers, engineers, and practitioners in safety and alignment research on advanced AI systems. The program runs from September 14, 2026 through February 5, 2027, with a monthly stipend, compute support, API credits, and mentorship, and fellows are expected to produce a substantial output such as a paper, benchmark, or dataset. Applications close May 3, and successful applicants will be notified by July 25.

AIReflection AI announced that Joe Spisak, previously the lead behind Meta's Llama, is joining as VP of Product and Head of Open Source. The post welcomes him to the team without giving further details about his responsibilities or plans.

AICursor cloud agents produced over a million commits over the past two weeks, according to Michael Truell. He said these commits were essentially all AI-generated, with little human intervention needed since the agents run code on their own computers.

AIGuillaume Lample, the account owner associated with Mistral, congratulated the Mistral AI team on their work on a new model and its release. The post names no specific model, version, benchmark, or pricing.

AIAman Sanger says Cursor's team evaluated many base models on perplexity-based evals and found Kimi k2.5 the strongest. Composer 2 was then built with continued pretraining and a 4x scale-up of high-compute RL, with Fireworks providing inference and RL samplers. The author admits Cursor should have named the Kimi base in its launch blog and says it will do so for the next model.

AIAman Sanger of Cursor says Composer 2 is a really good model and he is excited for more people to try it. The quoted reply from Lee Robinson says Composer 2 started from an open-source base, with only about one-quarter of the final model's compute coming from that base. Cursor plans full pretraining in the future and says it is following the license through its inference partner terms.