Large Language Models AI News & Updates

OpenAI Secures $110B Funding Round as ChatGPT User Base Reaches 900M Weekly Active Users

OpenAI announced that ChatGPT has reached 900 million weekly active users and 50 million paying subscribers, with January and February 2026 projected to be record months for new subscriptions. The company simultaneously disclosed a massive $110 billion private funding round led by Amazon ($50B), Nvidia ($30B), and SoftBank ($30B), valuing OpenAI at $730 billion pre-money. The funding round remains open for additional investors.

MatX Secures $500M Series B to Challenge Nvidia with Next-Generation AI Training Chips

MatX, a chip startup founded by former Google TPU engineers, raised $500 million in Series B funding led by Jane Street and Leopold Aschenbrenner's Situational Awareness fund. The company aims to develop processors that are 10 times more efficient than Nvidia's GPUs for training large language models, with chip production planned through TSMC and shipments expected in 2027.

Google Releases Gemini 3.1 Pro, Achieving Top Benchmark Performance in AI Agent Tasks

Google has released Gemini 3.1 Pro, a new version of its large language model that demonstrates significant improvements over its predecessor. The model has achieved top scores on multiple independent benchmarks, including Humanity's Last Exam and APEX-Agents leaderboard, particularly excelling at real professional knowledge work tasks. This release intensifies competition among tech companies developing increasingly powerful AI models for agentic reasoning and multi-step tasks.

OpenAI Secures Massive $100B Funding Round at $850B+ Valuation Despite Profitability Challenges

OpenAI is finalizing a deal to raise over $100 billion at a valuation exceeding $850 billion, with major investors including Amazon, SoftBank, Nvidia, and Microsoft participating. The funding comes as the company burns cash while approaching profitability and plans to introduce ads in ChatGPT for free users. The valuation represents a $20 billion increase from initial expectations, with total funding potentially rising as additional VC firms and sovereign wealth funds join later tranches.

Anthropic Releases Claude Sonnet 4.6 with Enhanced Coding and 1M Token Context Window

Anthropic has launched Sonnet 4.6, featuring significant improvements in coding, instruction-following, and computer use capabilities, along with a doubled context window of 1 million tokens. The model achieves strong benchmark results including a 60.4% score on ARC-AGI-2, positioning it above most comparable models though still trailing top-tier systems like Opus 4.6 and Gemini 3 Deep Think. This release maintains Anthropic's four-month update cycle and will serve as the default model for Free and Pro users.

Google Gemini Surpasses 750 Million Monthly Users, Trails ChatGPT in AI Chatbot Race

Google's Gemini AI chatbot has reached 750 million monthly active users in Q4 2025, showing rapid growth from 650 million the previous quarter. The expansion coincides with the launch of Gemini 3, Google's most advanced model, and a new affordable subscription tier at $7.99/month, though Gemini still trails ChatGPT's 810 million users.

Tesla Invests $2 Billion in Musk's xAI Despite Shareholder Opposition

Tesla has invested $2 billion in xAI, Elon Musk's AI startup behind the Grok chatbot, as part of xAI's $20 billion Series E funding round. The investment proceeded despite shareholder rejection of a nonbinding measure in November 2024, with Tesla justifying it as aligned with Master Plan Part IV to integrate digital AI (like Grok) with physical AI products including autonomous vehicles and Optimus humanoid robots. A framework agreement establishes potential AI collaborations between the companies, building on existing relationships where Tesla supplies Megapack batteries to xAI data centers and integrates Grok into vehicles.

Google Chrome Integrates Gemini AI with Sidebar Assistant and Autonomous Browsing Agents

Google is adding deeper Gemini AI integration to Chrome browser, including a persistent sidebar assistant that can access personal data across Google services and understand multi-tab contexts. The most significant addition is an "auto-browse" agentic feature that can autonomously navigate websites and complete tasks like shopping or form-filling on behalf of users, initially available to AI Pro and Ultra subscribers in the U.S. These features aim to compete with emerging AI-first browsers from OpenAI, Perplexity, and others.

Arcee AI Releases 400B Parameter Open-Source Foundation Model Trinity to Challenge Meta's Llama

Startup Arcee AI has released Trinity, a 400B parameter open-source foundation model trained in six months for $20 million, claiming performance comparable to Meta's Llama 4 Maverick. The model uses a truly open Apache license and is designed to provide U.S. companies with a permanently open alternative to Chinese models and Meta's commercially-restricted Llama. Arcee is positioning itself as a new U.S. AI lab focused on winning developer adoption through best-in-class open-weight models.

Apple Developing ChatGPT-Style Siri Chatbot for iOS 27, Codenamed "Campos"

Apple is reportedly developing a major Siri overhaul that will transform it into an AI chatbot similar to ChatGPT, with the feature codenamed "Campos" potentially debuting at WWDC in June for iOS 27. The chatbot will support both voice and text inputs, representing a strategic shift for Apple as it partners with Google's Gemini technology after lagging in the AI race. This move comes as Apple faces competitive pressure from AI chatbot success and OpenAI's entry into hardware development led by former Apple designer Jony Ive.