Good Morning! Here's what I have for you in today's newsletter:
Meta launches Muse Wonder, its first frontier-class model family
Microsoft brings full Word, Excel, and PowerPoint into the Copilot App
OpenAI lets dots start work in Codex and get set up from your phone
How to reverse engineer anything with Opus 5.5 and REA
4 new AI tools worth trying today
AI MODELS
Meta released Muse Wonder, a new family of frontier models from Meta Superintelligence Labs for personal and professional agent tasks. It comes in two versions: Muse Wonder and the larger Muse Wonder Full.
Muse Wonder focuses on speed, while Muse Wonder Full offers the complete model. Both versions are launching together.
Subscribers can use the new model with their Muse personal agent. Meta plans to bring this level of performance to more users over time.
Developers can access it through Muse Code and the Meta Model API, with more Meta products to follow. The release builds on Muse Spark, Meta’s first model family.
Meta could bring more capable AI to apps billions of people already use, making help with trip planning or tricky questions easier to reach. Developers also get another model to try through the Meta Model API, giving them more choice for their next project.
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AI TOOLS
Microsoft brought full Word, Excel, and PowerPoint into the new Copilot App, putting AI drafts and hands-on editing in one workspace. The rollout starts with Frontier program customers.
Create and edit documents, spreadsheets, and presentations inside Copilot, with teammates able to work on the same files alongside you.
Company templates keep fonts, colors, and layouts consistent. Version history lets you revisit earlier drafts if an edit takes things in the wrong direction.
Choose from a library of frontier models, or let the Auto router select one suited to the task you’re working on.
Getting an AI draft is quick. Moving it into Word or PowerPoint and fixing the formatting can take longer. Copilot puts drafting, editing, and company templates together, cutting down on that extra work. You can also choose different models for writing, spreadsheet work, and other tasks.
AI MODELS
OpenAI updated dots, its always-on ChatGPT agents, so users can set one up from the iOS or Android app and send it work in Codex.
A dot can kick off a Codex task or follow up on an existing thread, using your ChatGPT conversations, coding sessions, and automations for context.
Dots are better at choosing whether to continue an existing conversation or open a new one, helping keep related work together.
In ChatGPT Work, ask your dot what Scheduled Tasks are coming up or have it edit a recurring task when your plans change.
Spot a bug on your commute, send it to your dot, and work on a fix could begin in Codex before you reach your desk. Context from earlier chats means less explaining from scratch. You can also check or change recurring tasks without hunting down the original instructions.
HOW TO AI
REA is a free, open-source tool that helps coding agents inspect software and explain what the evidence supports. This guide uses JavaScript apps, so you won't need a disassembler. You'll need Claude Code with Opus 5.5, a supported Node.js version, and a Mac with Terminal.
Step 1: Check Node
Run node -v. Supported versions are 22.19 or later in the 22 line, 24.11 or later in the 24 line, and 26 or later. If needed, install a supported version from nodejs.org.
Step 2: Install REA
Run npx rea-agents@latest setup and choose Claude Code. Read and approve the changes; setup backs up your configuration first.
Restart Claude Code, select Opus 5.5 through /model, and ask it to list its REA tools. If claude mcp list has no line starting with rea, run setup again.
Step 3: Trace a button
Have Claude download the practice app from rea.tools and trace Export notes. Expect the page, the bridge, the main process and a formatter, ending in notes.csv in Downloads with the columns id and title. Ask for any missing file or line evidence.
Step 4: Test the prediction
Ask Claude to predict the CSV for a note titled Hello, "REA", then run the formatter with Node.js. Compare the prediction with the Node.js output. A match on one input is a start.
Step 5: Inspect your app
Use a JavaScript app you're authorized to inspect or the fictional taskbox app. Ask for file and line references, with each claim labeled observed, inferred, or unknown. Start by reviewing the unknowns.
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xAI launched The X Subscription, bundling Grok, Cursor, Grok Bot, and X Premium into five plans from Free to Ultra. Each offers more xAI model usage per dollar than the plan it replaces, with access rolling out gradually.
Z.ai introduced GLM-Legal, built on GLM-5.3-Flash for contract review, evidence analysis, and compliance work. It matches frontier models on mainstream legal benchmarks, and developers can apply for API access.
Alibaba Qwen released QwenGyre, a system that shifts GPUs between generating agent attempts and training on them during very long tasks. It raised NL2RepoBench results from 52.5% to 58.5% and cut training time by about 44%.
📦 Factory: Made Environments generally available, giving its cloud agents sandboxes to work in. It’s the first part of the company’s cloud agent rollout.
🎨 ElevenCreative: Added Recraft V4.1 Flash for creating brand boards, finished ad layouts from short prompts, and editorial-style vector illustrations.
🏢 Cohere: North 2 adds cost controls and usage reports for admins, updates how its agents run, and connects them to everyday work apps.
🌐 Gumloop: Launched Agent Browsers for working on websites without APIs, with 1Password support, session replays, and reusable Recipes for repeat tasks.
THAT’S IT FOR TODAY
Thanks for making it to the end! I put my heart into every email I send, I hope you are enjoying it. Let me know your thoughts so I can make the next one even better!
See you tomorrow :)
- Dr. Alvaro Cintas
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