Last Week’s AI News #12

A concise weekly roundup of the most important AI news, from major model breakthroughs to shifting global power and business impact.

EN

12/8/20257 min read

The AI world doesn’t slow down, it compounds. Over the past week alone, machines solved decades-old math problems, open-source models challenged the most expensive APIs, China tightened its grip on the global AI economy, and video generation took another cinematic leap forward. If staying competitive means staying informed, this is the signal you don’t want to miss

Here’s a brief overview:

‘ARISTOTLE’ AI CRACKS 30-YEAR MATH PROBLEM

Aristotle, an AI system developed by Harmonic, independently solved a 30-year-old Erdős problem. The solution was found in six hours and formally verified in the Lean system in just one minute.

Harmonic founder Vlad Tenev calls this the beginning of “vibe proving,” where AI discovers mathematical proofs and then verifies them automatically. Following $120M in funding, the breakthrough places Harmonic alongside Google and OpenAI in advanced mathematical reasoning.

Why it matters for businesses:

It shows that AI can not only generate ideas but also solve highly complex problems and rigorously verify their correctness. For businesses, this means faster innovation cycles, lower risk of errors, and the ability to automate complex decision-making in areas like finance, optimization, engineering, and security, creating a powerful long-term competitive advantage.

CHINA OVERTAKES THE U.S. IN OPEN AI ECONOMY

A new MIT and Hugging Face study analyzing 2.2 billion model downloads reveals a major rebalancing of the open AI economy. Chinese AI developers now lead the market with a 17.1% share, surpassing the U.S. at 15.8%.

The surge is driven mainly by two players, DeepSeek and Alibaba’s Qwen, which together account for 14.2% of downloads. Former leaders like Google, Meta, and OpenAI have disappeared from the rankings. The study also shows that true open source is declining, with models disclosing training data dropping from 79% in 2022 to just 39% in 2025.

Why it matters to business:

This marks a shift in global AI power. Innovation, talent, and core technologies are increasingly coming from China, reshaping supply chains, standards, and competition. Businesses that fail to adapt to this shift risk falling behind, while those that engage early with emerging Chinese AI ecosystems can gain cost, speed, and innovation advantages.

DEEPSEEK’S NEW MODELS RIVALING GPT-5, GEMINI-3 PRO

Chinese startup DeepSeek released V3.2 and V3.2-Speciale, two AI models that match or outperform SOTA models like GPT-5 and Gemini 3 Pro, while being open-source and much cheaper.

The Speciale variant won gold at the 2025 International Math and Informatics Olympiads, and V3.2 costs only $0.28 input / $0.42 output per 1M tokens, compared to much higher prices for GPT-5 or Gemini 3 Pro. Both 685B parameter models are available on Hugging Face.

Why it matters to business:

Open-source, high-performance AI is creating price pressure, forcing pricier API providers to justify their fees. At the same time, open access enables companies to experiment and implement solutions more cheaply, accelerating innovation. This shift is also changing market dynamics, as Chinese AI labs emerge as serious competitors to U.S. and European firms.

RUNWAY RELEASES GEN-4.5 AI VIDEO MODEL WITH CINEMATIC REALISM

Runway released Gen-4.5, a new AI video model now ranked first on the Artificial Analysis Text-to-Video leaderboard. The model handles physics, fluid dynamics, and human movement naturally, keeping details like hair and fabric consistent across frames. Gen-4.5 excels in cinematic and realistic visuals, which are hard to distinguish from real footage.

Why it matters to business:


Gen-4.5 demonstrates that AI can reach cinematic-level video generation, potentially transforming workflows in creative industries. For businesses, this means faster production of professional video content, lower costs, and the ability to experiment with new styles while maintaining high quality and realism.

CHINESE STARTUP KUAISHOU LAUNCHES KLING O1 AI VIDEO SYSTEM

Chinese startup Kuaishou launched Kling O1, a new AI video system that combines video creation and editing in a single model. O1 can process up to seven input sources at once (images, video, text, subjects) and generate 3–10 second clips.

Users can edit existing footage using text commands like “remove bystanders” or “shift to nighttime” while preserving characters and scenes. The system also supports advanced editing tools for elements, actions, camera movements, multi-subject handling, and more. Internal tests show Kling O1 outperforming Google Veo 3.1 and Runway Aleph on video reference and editing tasks.

Why it matters to business:


Kling O1 shows that AI can integrate video creation and editing into a single intuitive interface, enabling faster, cheaper, and more precise content production. For businesses, this means more efficient production of marketing, educational, or entertainment videos, easier experimentation with styles, and the ability to perform complex edits without large human resource costs.

OPENAI’S 'CODE RED' AFTER GOOGLE ADVANCES

OpenAI CEO Sam Altman declared a “Code Red” to rapidly improve ChatGPT following Google’s upgrades. Priorities have shifted, and the model “Garlic” is now targeted for 2026 to address previous pre-training issues. A new reasoning model, “Shallotpeat,” is launching soon and reportedly outperforms Gemini 3 on benchmarks.

Why it matters to business:


OpenAI’s “Code Red” illustrates how quickly the AI competitive landscape can shift. For businesses, it underscores that even market leaders can lose their advantage rapidly, emphasizing the need to continuously monitor technology advancements and implement innovations to remain competitive, especially in fast-moving AI markets.

AMAZON DROPS AI AGENTS, MODELS, CHIPS AT RE:INVENT

AWS kicked off its annual re:Invent conference with a wave of AI announcements: new Nova 2 models (Lite, Pro, Sonic, Omni), Nova Forge customizable business models, Nova Act for building and managing AI agents, and three autonomous frontier agents – Kiro, Security, and DevOps. A new Trainium 3 AI chip was also introduced.

Why it matters to business:


AWS re:Invent releases show Amazon pushing to compete across the full AI ecosystem – from chips and models to agents and enterprise tools. For businesses, this offers access to an integrated platform, the ability to experiment with AI solutions, build custom models and agents, and remain competitive in the rapidly growing AI market.

ANTHROPIC SURVEYS ITS OWN ENGINEERS ON AI'S IMPACT

Anthropic conducted an internal survey of 132 engineers, showing that AI tools have reshaped work at the company, increasing productivity while raising concerns about skill decay, career uncertainty, and fading mentorship. Employees report using Claude for about 60% of tasks and estimate ~50% productivity gains. Some tasks that weren’t done before are now handled by AI, and Claude Code can perform ~20 actions before requiring human input.

Why it matters to business:


The survey highlights that advanced AI tools can boost productivity and automate complex workflows, but also surface employee concerns about skill loss and job uncertainty. For businesses, this means AI adoption should be paired with employee support, training, and a long-term strategy to enhance efficiency without undermining workforce security or motivation.

ANTHROPIC PUTS CLAUDE TO WORK AS A RESEARCH INTERVIEWER

Anthropic launched “Anthropic Interviewer,” a Claude-powered tool that conducts and analyzes qualitative interviews at scale. The first study included 1,250 professionals examining how they use AI at work. The tool plans questions, conducts 10–15 minute conversations, and clusters themes for analysis. 86% of workers said AI saves them time, but 69% noted social stigma and 55% expressed concern about their future.

Why it matters to business:


Claude-powered interviewers allow companies to capture genuine employee or customer insights beyond clicks and forms. This enables businesses to better tailor AI solutions, improve work experiences, and proactively identify social or cultural barriers to AI adoption.

OPENAI TRAINS MODELS TO ‘CONFESS’ WHEN THEY CHEAT

OpenAI published new research on a technique called “Confessions,” which trains AI models to produce a separate honesty-only output. In this report, models disclose whether they violated rules, used shortcuts, or applied deceptive workarounds. In tests on GPT-5 Thinking, cases where the model broke rules and hid it occurred only 4.4% of the time.

Why it matters to business:


The Confessions approach improves transparency into AI behavior and helps surface risky or misleading actions early. For businesses, this reduces regulatory, reputational, and security risks, especially in high-stakes industries where trust, compliance, and auditability are critical.

EVERYTHING ELSE THAT HAPPENED IN AI LAST WEEK

  • Elon Musk’s xAI is set to raise $15B at a $230B valuation
    The massive round signals investor confidence in large-scale AI infrastructure and foundational models.

  • AI and agents drove $14.2B in Black Friday online sales
    Salesforce data shows AI is now directly influencing revenue at scale, especially in e-commerce.

  • Virgin Australia integrates ChatGPT into flight search and planning
    AI is becoming a core layer of customer experience, not just a back-end tool.

  • Databricks talks $5B raise at a $134B valuation
    Data platforms remain strategic assets as enterprises race to operationalize AI.

  • Deutsche Telekom and Schwarz Group plan an AI gigafactory in Germany
    Europe is pushing back in the global AI race with sovereign infrastructure ambitions.

  • Accenture and OpenAI roll out ChatGPT Enterprise to thousands of consultants
    AI agents are moving into large-scale professional services workflows.

  • Nvidia invests $2B in Synopsys
    The partnership highlights how AI is reshaping chip design and product engineering cycles.

  • Anthropic acquires Bun as Claude Code hits $1B run-rate revenue
    Developer-focused AI tools are scaling faster than most SaaS products ever have.

  • Visa: nearly half of U.S. consumers used AI for holiday shopping
    AI is influencing consumer behavior at the decision-making level.

  • Snowflake and Anthropic announce a $200M partnership
    Claude-powered AI agents will roll out across thousands of enterprise customers, accelerating adoption.

From breakthrough reasoning models to shifting global power dynamics and rapidly maturing creative tools, one thing is clear: AI is moving faster, cheaper, and deeper into every industry. For businesses and builders alike, the real risk is not picking the wrong tool, it’s missing the moment altogether.

Subscribe our newsletter to stay ahead of the curve and get the latest, most important AI news delivered straight to you.