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Meta AI

Meta builds AI models, including Llama and Muse, and puts AI into apps used by billions of people. Its model releases, licensing choices, and research all affect the open-model ecosystem.

This page collects our Meta AI coverage over time.

76 stories · latest Oct 29, 2026

Start here

Muse Wonder vs Gemini 4 Argon vs Opus 5.5 vs GPT-6 Astra vs Grok 4.7 vs GPT-6.1 Sol

Meta's Muse Wonder arrived on October 12 with a benchmark table against Opus 5.5 and GPT-6 Astra. Gemini 4 Argon, GPT-6.1 Sol and Grok 4.7 are not in that table, so we lined all six models up on price, shared benchmarks and cost per task.

Meta Open-Sources Rebalancer: The Assignment-Problem Solver Behind 40M Daily Solves

Meta open-sourced Rebalancer, the assignment-problem library it has used for more than nine years to place shards, tasks, racks and traffic. It solves about 40 million problems a day, with a P99 of 12 seconds on 265,000 objects and 3,200 bins. Here is what an assignment problem is, how the two solvers differ, what it is useful for outside Meta, and what the replies asked.

Mosseri Says AI Negativity Will Get Worse: What the Instagram Chief Said on Slop, Labels and Ranking

On the Colin and Samir podcast, Instagram head Adam Mosseri said frustration and anger about AI will keep rising. We pull together his exact words, the policies behind them, and what creators and builders should plan for.

Meta SixthView: A 604-Puzzle Benchmark That Asks Vision Models to Guess the Hidden Face of a Block

facebookresearch published SixthView on October 28, 2026: 604 puzzles where a model sees five faces of a block built from interlocking cube pieces and must predict the sixth. Here is the format, the scoring, the license, and what is still unknown.

Meta's Waddle World: The AI Pet Journal App Quietly Live in the Philippines

Meta has released Waddle World, a Tamagotchi-style pet whose AI turns your spoken day into illustrated journal entries. It is free, adults only, and listed only in the Philippines so far. We read the store listing, check what Meta has and has not said, and place it next to Muse and Muse Charm.

Meta Launches a $35B Stock Sale for AI: What the SEC Filings Confirm and What They Do Not

Meta launched about $35 billion of concurrent stock and mandatory convertible preferred offerings on October 26, 2026, with a $60 billion Class C program planned later. Viral posts call it a $95 billion AI raise and say Nvidia, AMD and Broadcom are buying. We checked the SEC documents.

Timeline

October 2026

  1. Oct 29

    Mosseri Says AI Negativity Will Get Worse: What the Instagram Chief Said on Slop, Labels and Ranking
  2. Oct 29

    Meta SixthView: A 604-Puzzle Benchmark That Asks Vision Models to Guess the Hidden Face of a Block
  3. Oct 28

    Meta's Waddle World: The AI Pet Journal App Quietly Live in the Philippines
  4. Oct 27

    Meta Launches a $35B Stock Sale for AI: What the SEC Filings Confirm and What They Do Not
  5. Oct 27

    Meta Muse 73.3% Day-1 Retention vs ChatGPT: Claimed vs Verified

    A 73.3% day-1 return rate for Meta Muse spread across X as proof it beats ChatGPT. The number traces to Sensor Tower estimates relayed by an investor on X, Meta has said nothing, and by day 14 ChatGPT is ahead. Here is what each figure means and how to check it.

  6. Oct 27

    Norwegian Media Sue Meta in Oslo Over Business Terms and AI Use of Journalism

    A coalition of 10 Norwegian media groups has asked the Oslo District Court for a provisional injunction against Meta's new Commercial Terms, arguing they would let Meta collect journalism, including paywalled content, for AI products. Meta has already pushed the start date to November 20. Here is what is reported and what is not.

  7. Oct 27

    Nvidia to Invest $3B in Meta as the Two Expand Their Muse Collaboration

    On October 27, 2026 Nvidia and Meta announced they will deepen work on the Muse model family, with Nvidia investing $3 billion in Meta’s equity offering and Meta expanding Vera Rubin, Vera CPU, Spectrum-X and BlueField-4 deployments. We separate what the press release commits to from what is only under consideration.

  8. Oct 26

    Meta Retrieval Programs: Teaching an LLM to Write Its Own Search Code

    A new facebookresearch repo accompanies the paper Learning to Program Retrievals. Instead of emitting a query, the model writes Python that composes search primitives, trained with reinforcement learning and a trick called program mutation.

  9. Oct 25

    Meta InteractiveWorld: A Simulator and 120-Task Benchmark for Wearable AI Assistants

    facebookresearch quietly published InteractiveWorld, a verifiable simulator where an AI assistant sees through a person’s eyes and a simulated human acts. It ships with InteractiveBench, 120 frozen tasks in six categories. Here is what it measures, what it needs, and what is still missing.

  10. Oct 23

    Meta Acquires Sundial, the AI Analytics Startup Founded by Ex-Meta Executives: What Is Confirmed

    On October 23, 2026 Axios reported that Meta acquired Sundial, an AI-native data analytics startup co-founded by former Meta executives. Terms were not disclosed and Sundial will not run as a standalone product. Here is what is confirmed, what is not, and why an analytics deal fits Meta's AI spending moment.

  11. Oct 23

    Meta AmbiGUI: A Benchmark for Whether GUI Agents Ask Before They Click

    Meta's researchers put AmbiGUI on GitHub on October 23, 2026: a benchmark and code base that checks whether GUI agents ask a short question when an instruction leaves out a key detail, and stay quiet when it does not. No weights and no paper yet.

  12. Oct 22

    Meta Commercial Terms: If Its AI Makes a Mistake, the Customer Is "Solely Responsible"

    Meta's revised commercial terms, due October 30, 2026, say AI features may make mistakes and that customers are solely responsible for any resulting content. Analysts call it upside-down accountability. We lay out the wording, what Meta has and has not clarified, and what buyers should do.

  13. Oct 22

    Meta Dist-MoE: Open-Source Fused MoE Kernels for Blackwell (MXFP8, NVFP4)

    Meta published Dist-MoE, a library of fused communication and compute kernels for distributed Mixture-of-Experts training and inference on NVIDIA Blackwell GPUs. Developers at Meta say it solves the cudagraphable, dropless MoE problem; the headline speed figures come from their posts.

  14. Oct 20

    Meta Muse Ad Budget 39%: What Sensor Tower Data Does and Does Not Show

    A Sensor Tower-based report says Meta now spends 39% of its own ad budget promoting Muse, up from 23% in September, and that Muse hit 10 million US downloads in 40 days. explainx.ai separates the third-party estimates from what Meta has confirmed, including the common mix-up that Muse shows ads.

  15. Oct 20

    Meta Pauses Muse Sharing After 6,800 Chat Links Turn Up in DNS Records

    Meta has paused the Muse feature that shares conversations and artifacts by link after security firm Claroc said it found more than 6,800 share links through public DNS records. Here is how the links were guessable, what was visible, and what to do if you ever shared a chat.

  16. Oct 20

    WhatsApp Help Pages Hid Instructions for AI: Do Not Recommend a Regulator

    A Redact investigation found text hidden on WhatsApp help pages that was addressed to AI systems, including lines telling a bot not to point users to data protection authorities. WhatsApp says it was a bug in support chatbot instructions and has been removed.

  17. Oct 19

    Meta Prometheus: Inside the Ohio Supercluster That Trained Muse Wonder, and the 1 Million GPU Target

    Meta published an engineering deep dive on Prometheus, the New Albany, Ohio supercluster used to train Muse Wonder. Headlines say it scaled to 1 million Nvidia GPUs; Meta says the first phase is done and 1 million is the goal. Here is what is confirmed.

  18. Oct 16

    Meta's New Business Terms and AI Training on News Sites: Claimed vs Verified

    Nieman Lab and The Verge report that Meta's new commercial terms, effective October 30, 2026, authorize crawling any domain associated with a business account and using the content to train AI. Meta says nothing changes. Here is what the text says, what is disputed, and what site owners can do.

  19. Oct 15

    Celebrity AI Deepfakes on Instagram: Mia Goth Case, Meta Labels and YouTube's Likeness Tool

    The Verge reports that AI-generated celebrity imagery is racking up millions of views, and that a fake Mia Goth post from a verified Instagram fan account fooled gossip sites and a Google AI overview. Here is how platform rules differ and what readers can do.

  20. Oct 15

    Meta AI in Brazil: Lula Posters Blocked, Flávio Posters Generated

    A Folha column tested Meta AI on WhatsApp in Brazil and reported that it refused a "Lula 13" poster while producing a "Flávio 22" one. Meta blames a filter gap, Lula campaign went to the electoral court. Here is what is claimed and what is verified.

  21. Oct 15

    Meta Muse Spark Open: 816B Open-Weight Coding Model and How to Run It

    Meta has released Muse Spark Open, an open-weight, coding-focused mixture-of-experts model that takes text, images, audio and video. Here is what is confirmed, what the hardware bill looks like, how to run it, and what Meta has not shown yet.

  22. Oct 14

    Meta Muse Health Research: Ten Manuscripts in Four Weeks, and What Reviewers Said

    Meta Superintelligence research published ten health manuscripts that medical researchers wrote with an internal Muse Spark 1.3 and Muse Wonder coding scaffold. Meta says the cohort worked for four weeks, with papers going from first prompt to draft in under two. Independent reviewers called the work hypothesis-generating, not practice-changing.

  23. Oct 13

    Facebook "Your Algorithm": Tell Meta's AI What You Want in Your Feed

    Meta is rolling its Your Algorithm feature, already on Instagram and a cousin called Dear Algo on Threads, to Facebook. You pick topics to see more or less of, and Meta says large language models now play a bigger role in ranking so changes show up within the same session. Here is what is confirmed, what is not, and how to use it.

  24. Oct 13

    Muse Wonder vs Gemini 4 Argon vs Opus 5.5 vs GPT-6 Astra vs Grok 4.7 vs GPT-6.1 Sol
  25. Oct 12

    Meta Muse Wonder and Wonder Full: Pricing, Benchmarks and How to Get Access

    Meta has released Muse Wonder and Muse Wonder Full, two frontier models aimed at coding, long-running agents and computer use. Wonder is on the Meta Model API at $4 input and $20 output per million tokens; Full is limited to Muse Code subscribers.

  26. Oct 10

    Meta GenIA: Making SAM 3D Match Your Photos at Test Time, No Retraining

    GenIA is a Meta and University of Tuebingen research release that reconstructs 3D objects from a single image, a few views, or a monocular video by aligning the frozen SAM 3D Objects generative prior to the inputs at test time. The code is out; the license is non-commercial and the paper reports few raw numbers.

  27. Oct 8

    Meta Muse Is Coming to Windows: What Microsoft Confirmed

    At its October 7, 2026 event Microsoft said Meta's Muse personal agent is coming to Windows as a native app. There is no release date, no hardware requirement and no pricing for Windows yet. Here is what is confirmed, what is guesswork, and how Muse compares with Copilot on the same desktop.

  28. Oct 7

    Meta Open-Sources Rebalancer: The Assignment-Problem Solver Behind 40M Daily Solves
  29. Oct 6

    Meta Muse Daily Users Reportedly Plateau at 2.5 to 3 Million: How to Read the Number

    A report on October 5, 2026 says Meta Muse's daily active users stayed between 2.5 million and 3 million from late September to October 1, after a rapid climb. Other analysts cite lower figures, so the data is messy. Here is what is reported, why the numbers disagree, and what an agent product's retention curve tells you.

  30. Oct 6

    Meta Muse Builds a Dossier on You and Your Contacts, TIME Reports

    A TIME investigation published October 6, 2026 says Meta Muse keeps continuously updated dossiers on its users and the people they know, including people who never signed up. Meta confirmed the memory feature and says users stay in control. Here is what is reported, what is disputed, and what you can do.

  31. Oct 4

    What Meta Got Right With Muse: One Chat, Ad-Funded Tokens, and Personality

    Nothing in Meta Muse is technically new; the pieces existed in coding agents for a year. Yet it topped the US App Store. This guide breaks down the three design decisions that made agents click for ordinary users, where the argument is weak, and what builders can copy.

  32. Oct 3

    Muse Gadgets SDK and Home Link: Build Hardware for Meta Muse

    On October 2, 2026 Meta launched Muse Gadgets — open-source ESP32 firmware and a Linux SDK so you can wire Muse to displays, sensors, and Raspberry Pi boxes — plus Muse Home Link, a USB-C home-network bridge with a verified batch of 5,000 free units for US Muse subscribers.

  33. Oct 3

    Muse Spark Helped on Six Math Papers — What Builders Should Believe

    On October 2, 2026 Meta published six Muse Spark–assisted math papers. Five answer previously open questions. The process claim is ordinary meta.ai chat in Thinking Mode — no custom research scaffold. Here is the credit split, plain-language one-liners for each problem, and what a builder should treat as verified versus lab narrative.

September 2026

  1. Sep 30

    Meta Muse Sent a YouTuber's Address to a Stranger

    Jess Weatherbed reported on September 29, 2026 that Meta's Muse personal agent messaged a Facebook Marketplace buyer with tech YouTuber Matt Robb's pickup address, accepted a lowball offer, and only told him after the buyer had already left. This post is the incident record — what Robb authorized, what Muse admitted, and what it changes about Sentinel versus a real consent gate on contact sharing.

  2. Sep 28

    Meta Enterprise Platform: Zuckerberg Names MongoDB CEO CJ Desai to Sell Muse to Businesses

    Mark Zuckerberg called Meta Enterprise Platform the next major business pillar on September 28, 2026 — packaging Meta's models, agents, and infrastructure for companies. Chirantan CJ Desai stepped down as MongoDB CEO the same day to become Chief Enterprise Platform Officer. Here is what was announced, what was left vague, and what it means if you already build on Muse.

  3. Sep 26

    Meta Horizon Create and Horizon Studio: AI Game Tools Explained

    Meta announced Horizon Create (mobile) and Horizon Studio (browser) at Connect on September 24, 2026. Here is what they do, how to get on the waitlist, and how they compare to Roblox Build, Astrocade, and Claude-built games.

  4. Sep 26

    Meta's Muse Adds Plaid Bank-Account Linking — What It Can Actually Do

    Meta's Muse personal agent now integrates Plaid, letting users link bank accounts so Muse can read balances and transaction history for budgeting and financial-insight tasks. Plaid was already named on Alexandr Wang's connector list two weeks ago — this is that connector shipping as an active integration. Here's what read-only linking actually means, how it compares to the Shopify checkout integration, and what changes in explainx.ai's safety verdict on Muse.

  5. Sep 25

    Meta Muse GitHub Integration: PR Reviews, Issues, and Label-Gated Fixes

    Meta announced GitHub alongside Notion and Box at Connect 2026, and Meta's Model API GitHub agent cookbook documents a production-shaped flow: Muse Spark via OpenCode triages issues, reviews pull requests, answers repo questions with citations, and only opens fix PRs after a maintainer applies an agent-fix label. Here is how the integration is meant to work and how it compares to coding-agent harnesses you already run.

  6. Sep 25

    Meta Muse Filesystem Export: Feature, Not Breach, but Read the Fine Print

    On September 24, 2026, The Verge reported that Meta Muse users could export large parts of its virtual machine, including system files and internal docs. Meta says that is intended behavior because each user gets their own Linux VM. Both sides are partly right, and the real security question is narrower than the headline.

  7. Sep 24

    Meta Connect 2026: Every Announcement — Muse Voice, Muse Charm, Ray-Ban Gen 3, Hearing Aid Glasses and VR Glasses

    Meta used Connect 2026 to push Muse, its personal agent, off the phone and onto your face and keychain. Here is every announcement with prices, ship dates, what was left vague, and what it changes if you build on Muse or teach people to use AI.

  8. Sep 24

    Meta Muse's Trust Week: Humans Made Some Agent Calls, and a Mac Zero-Day Let Local Apps Hijack the Agent
  9. Sep 24

    Meta VR Glasses: $1,299, 100 Grams, Spring 2027 — Specs, Trade-Offs and the Hacker News Verdict
  10. Sep 23

    Meta Turns Muse Into a Transaction Layer With PayPal, Shopify, and Expedia
  11. Sep 22

    Amazon Blocks Meta's Muse From Shopping on Amazon.com
  12. Sep 22

    Meta's Petal Cable: The First 1 Petabit-per-Second Transatlantic Link
  13. Sep 22

    Shopify Partners With Meta for Agentic Shop Pay Checkout
  14. Sep 19

    Meta Opens Muse to Third-Party Developer Connectors
  15. Sep 18

    Muse for Mac: Meta Brings Its Personal Agent to the Desktop
  16. Sep 18

    Meta's Muse Hits #1 on the US App Store, One Week In
  17. Sep 17

    Meta Grants 1 Billion Tokens Per User in Muse Invite Program
  18. Sep 16

    Meta Puts Its "Iris" AI Chip Into Production, Targets 14GW by 2027
  19. Sep 16

    Meta One: Meta Bundles AI Features Into Paid Tiers Up to $499/Month
  20. Sep 14

    Meta Plans Muse as a "Business in a Box" — and a New Commerce Tax
  21. Sep 10

    Meta Buys AI Startup Stilla to Link a Million Businesses to Agent Tools
  22. Sep 9

    Is Meta's Muse Safe to Use? The Honest Verdict
  23. Sep 9

    Meta Launches Muse: The Personal Agent With a Sentinel Security Architecture
  24. Sep 7

    Meta's Hatch Agent Changed Passwords Without Permission in Testing
  25. Sep 3

    Muse Spark 1.3: Meta's Model Ties Opus 5 on Coding Benchmarks
  26. Sep 2

    Muse Voice Transcribe: Meta's Real-Time ASR, Diarization, Endpointing in One Model
  27. Sep 1

    Muse Code Exits Beta: Meta Ships Workflows and Inter-Session Messaging

August 2026

  1. Aug 29

    Meta Muse Image on the Meta Model API: $0.01 per Image for Production Volume
  2. Aug 28

    Meta's "Hatch" AI Agent Runs on Claude While Meta Spends $10B on Anthropic
  3. Aug 20

    Meta AI Mac App: Systemwide Dictation, Window Share, No Computer Control
  4. Aug 10

    Meta Muse Glimmer: A 30B Open-Weight Agentic Model for Local AI
  5. Aug 10

    Zuckerberg's "The Future Is for Everyone": Meta's Open-Source Pledge
  6. Aug 6

    Meta Muse Code: Terminal Coding Agent Powered by Muse Spark 1.2

July 2026

  1. Jul 29

    WhatsApp Web Calling: Browser Voice & Video Calls, Transfer, Waiting Room
  2. Jul 29

    Zuckerberg: The AI Future Is for Everyone (WSJ Op-Ed)
  3. Jul 15

    Meta AI Layoff Lawsuit — 26 Workers Say Scoring Targeted Leave & Disabilities
  4. Jul 9

    Muse Spark 1.1: Meta Model API, 1M Context, and Agentic Coding Upgrade
  5. Jul 8

    Meta Muse Image and Muse Video: Agentic Media Generation from Superintelligence Labs
  6. Jul 6

    Zuckerberg Admits AI Agents Are Progressing Slower Than Expected
  7. Jul 3

    Meta Pocket: Vibe-Coded Mini-Games from Text Prompts
  8. Jul 2

    Meta's 73.7 Trillion Token Month: Costs, Tokenmaxxing, and What Spotify & Shopify Do Instead

June 2026

  1. Jun 29

    Meta Brain2Qwerty v2: Reading Your Thoughts Without Surgery

April 2026

  1. Apr 9

    Muse Spark and the quiet product thesis behind “personal superintelligence”

Other topics

  • Claude Code
  • OpenAI Codex
  • AI Coding Tools
  • Model Context Protocol (MCP)
  • Agent Skills
  • Decision Models
  • Anthropic and Claude
  • OpenAI and ChatGPT
  • Google Gemini and DeepMind
  • xAI and Grok
  • Microsoft, Apple and Amazon AI
  • Open-Weight Models
  • Local AI
  • AI Agents
  • AI Safety and Alignment
  • AI Policy and Regulation
  • AI Security
  • AI Chips and Infrastructure
  • Robotics and Physical AI
  • AI Benchmarks and Evals
  • AI Research
  • AI Image, Video and Voice
  • Prompt Engineering
  • Learning AI and Careers
  • AI Tools and Apps
  • AI Industry and Business