# Have you heard these exciting AI news? - November 28, 2025 AI Updates Weekly

Source: https://www.youtube.com/watch?v=gCBJeUjuJV4
Recap page: https://rapidrecap.app/video/gCBJeUjuJV4
Generated: 2025-11-28T20:38:26.681+00:00

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## Quick Overview

The AI Updates Weekly for November 28, 2025, covered major developments including Anthropic releasing Claude Opus 4.5, Google's Willow quantum chip achieving a seemingly impossible computational feat, the viral success of Ant Group's multimodal AI LingGuang, and Marimo emerging as a Git-friendly, reactive open-source alternative to Jupyter notebooks.

**Key Points:**
- Anthropic released Claude Opus 4.5, which scored higher than human candidates on a hiring exam and uses significantly less tokens than its predecessor, Sonnet, while achieving higher accuracy.
- Google's Willow quantum processor achieved a seemingly impossible computational feat, solving a problem in under five minutes that would require the world's most advanced supercomputer approximately 10 septillion years to complete.
- Ant Group's multimodal AI assistant, LingGuang, gained 2 million downloads in 6 days, crushing early adoption rates of ChatGPT and Sora, and features like 'Flash Program' generate mini-apps in 30 seconds from simple prompts.
- Marimo is introduced as an open-source, Git-friendly Python notebook system that offers reactive execution, allowing code cells to automatically rerun when dependencies change, contrasting with traditional Jupyter notebooks.
- OpenAI launched a new ChatGPT Group Chat feature allowing up to 20 users to collaborate simultaneously in the same thread, with shared chats accessible through invite links.
- Meta released SAM 3, its Segment Anything Model, which is open-source with 848 million parameters, achieving 75-80% of human-level performance in processing images (100+ objects at approx. 30ms per frame on an H200 GPU).
- Suno AI Music raised a $250M Series C led by Menlo Ventures, valuing the company at $2.45B, with plans to boost social features for music pros and creators.

![Screenshot at 00:29: The slide comparing English vs. Coding performance on the crowd-sourced 'LM Arena' leaderboard, showing Anthropic's Claude models \(blue dots\) leading the coding benchmarks significantly over other models like GPT-5.1 Pro and Gemini.](https://ss.rapidrecap.app/screens/gCBJeUjuJV4/00-00-29.png)

**Context:** This video presents a compilation of weekly updates across various sectors of AI development as of November 28, 2025, covering major model releases, funding rounds, infrastructure breakthroughs, and new software tools. Key areas of focus include advances from Anthropic, Google's quantum computing efforts, significant funding for music generation (Suno), and new productivity tools like Marimo and updates to existing platforms like ChatGPT and Gemini.

## Detailed Analysis

The AI updates for November 28, 2025, began with the announcement of Anthropic’s Claude Opus 4.5 release, which achieved strong performance on SWE-bench (80.9% verified) and scored higher than human candidates on a hiring exam, while being significantly more cost-effective than its predecessor, Sonnet, using approximately 2x fewer tokens. Gemini 3 Pro still leads on some benchmarks like GPQA Diamond, MMLU, and ARC-AGI. Following this, Google announced that its Willow quantum processor achieved a seemingly impossible feat: solving an extraordinarily complex computational problem in under five minutes, which would require the world's most advanced supercomputer about 10 septillion years to complete. In company news, Suno AI Music raised $250M in a Series C led by Menlo Ventures, valuing the company at $2.45B, intending to boost social features for creators. OpenAI introduced a ChatGPT Group Chat feature supporting up to 20 users collaborating simultaneously via invite links, with rate limits applied to AI responses rather than human messages. Meta released its open-source Segment Anything Model 3 (SAM 3) with 848 million parameters, capable of processing images at approximately 30ms per frame on an H200 GPU and achieving 75-80% human-level performance, supporting open-vocabulary prompting for segmentation. Other updates included the viral success of Ant Group's multimodal AI, LingGuang, which crashed servers due to overwhelming popularity after hitting 2 million downloads in 6 days, and the introduction of Marimo, an open-source, reactive notebook system designed as a Git-friendly alternative to Jupyter that uses standard .py files. Updates on GPT models mentioned GPT-5.1 Codex Max operating across massive context windows (over millions of tokens) and GPT-5.1 Pro being a slow, heavy-weight reasoning model better suited for deep thought, planning, and research. Abacus AI upgraded its DeepAgent to autonomously build complete web services in minutes, handling tasks like API contracts and deployment pipelines. Finally, Decart.AI introduced real-time video transformation capabilities, raising ethical concerns about deepfakes and misinformation risks. The presenter also covered interviews with Ilya Sutskever, emphasizing his belief in continual learning and the shift from scaling to research, and reviewed job market trends showing tech layoffs slightly decreasing in November 2025 compared to previous months.

### AI Updates - General

- Crowd-sourced 'LM Arena' leaderboard shows Claude Opus models performing strongly in both English text and Coding benchmarks
- OpenAI celebrated ChatGPT turning 3 years old with a new Group Chat feature for up to 20 users
- Sakana AI is based in Tokyo, Japan since 2023.

### Anthropic Claude Opus 4.5

- Released Claude Opus 4.5, which scored higher than human candidates on a hiring exam and uses approx. 2x less tokens than Sonnet while achieving higher accuracy
- Features Tool Search Tool to manage context window consumption.

### NotebookLM - Infographics & Slide Decks

- Google NotebookLM now offers new visual features powered by Nano Banana Pro to transform documents into shareable infographics and full presentation decks using features like Audio Overview, Video Overview, Mind Map, Reports, Flashcards, Quiz, Infographic, and Slide Deck generation.

### OLMO 3 Open Models

- Allen Institute for AI released OLMO 3 models (Base, Instruct, Think) with 65K token context window, featuring the OLMO 3-Think 32B as a top-performing open 32B reasoning model.

### Ilya Sutskever on the Age of Research

- Sutskever, post-OpenAI, founded Safe Superintelligence Inc. and believes in a 'top-down belief' derived from the brain, emphasizing continual learning and that pre-training data is becoming finite.

### AI Updates - Specifics

- Meta released SAM 3 (848M params, open-source) for image segmentation achieving 75-80% human-level performance
- GPT-5.1 Codex Max operates across multiple context windows using 'compaction'
- GPT-5.1 Pro is a slow, heavy-weight reasoning model
- Abacus AI DeepAgent upgrade offers autonomous, rapid web service building.

### Marimo instead of Jupyter

- Marimo is an open-source, Git-friendly, reactive Python notebook system that stores notebooks as standard .py files and offers features like autocomplete and Vim keybindings.

![Screenshot at 00:00: Title slide displaying 'AI Updates - November 28, 2025' and celebrating ChatGPT's 3rd birthday.](https://ss.rapidrecap.app/screens/gCBJeUjuJV4/00-00-00.png)
![Screenshot at 00:29: Comparison of English vs. Coding performance on the crowd-sourced 'LM Arena' Leaderboard, indicating strong performance by Claude models.](https://ss.rapidrecap.app/screens/gCBJeUjuJV4/00-00-29.png)
![Screenshot at 01:48: Slide detailing the new features and performance metrics of Anthropic Claude Opus 4.5, including SWE-bench verification.](https://ss.rapidrecap.app/screens/gCBJeUjuJV4/00-01-48.png)
![Screenshot at 02:11: Slide detailing new visual features in Google NotebookLM, including infographic and slide deck generation capabilities.](https://ss.rapidrecap.app/screens/gCBJeUjuJV4/00-02-11.png)
![Screenshot at 04:00: Slide covering Ilya Sutskever's talk on the 'Age of Research', emphasizing continual learning and the generalization problem.](https://ss.rapidrecap.app/screens/gCBJeUjuJV4/00-04-00.png)