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Elon Musk reposted

Command Code

@CommandCodeAI · Jul 10, 2026

Fable 5 vs Grok 4.5 vs GPT 5.5 We put three top-tier models to build a same game challenge. Used Command Code /design, and the exact same prompt. Result: Grok 4.5 genuinely plays like a polished mobile game. Fable 5 and GPT 5.5 feel too fast. Everything feels rushed, lacks finish. Ranking based on DX & Features: → Grok 4.5: 9/10 → Fable 5: 7.5/10 → GPT 5.5: 7/10

Command Code

@elonmusk · Jul 10, 2026

𝕏 is a great platform for product announcements, especially if done by the CEO directly. Way more interesting to the public than generic press releases. This post by Mark Zuckerberg already received over 12 million views for free!

Mark Zuckerberg

Mark Zuckerberg@finkd· Jul 9, 2026

(1) Today we're releasing Muse Spark 1.1 -- a strong agentic and coding model at a very low price. It's available through our new Meta Model API and in Meta AI.

Elon Musk reposted

Jeff Bezos

@JeffBezos · Jul 9, 2026

Wally Funk waited 60 years to get to space, and no one ever earned it more. She trained with the Mercury 13 in 1961, out-tested the men, and was told no anyway. She never stopped flying — 19,600 hours, thousands of students, a lifetime of firsts. Five years ago this month, I had the honor of flying with her on New Shepard's first crewed flight. At 82, she was fearless, joyful, and asking to go again before we’d even landed. Her dream took six decades, but it came true. Dreams have no expiration date. Godspeed, Wally.

Jeff Bezos

@elonmusk · Jul 10, 2026

Starlink can now provide reliable 10Gpbs symmetric send/receive connectivity anywhere in the world

Starlink

Starlink@Starlink· Jul 9, 2026

Starlink is delivering peak speeds of up to 10 Gbps symmetric in Utqiagvik, Alaska – the northernmost city in the United States, located 320 miles above the Arctic Circle Through bonded gateways, Starlink can provide up to 20 Gbps symmetric, enabling high-capacity connectivity

Elon Musk reposted

Tesla Owners Silicon Valley

Tesla Owners Silicon Valley

@teslaownersSV · Jul 10, 2026

GROK 4.5 LEADS ON REAL PROFESSIONAL WORK BENCHMARK New data from Snorkel shows Grok 4.5 outperforming other frontier models on real-world professional tasks. On their GDPval+ benchmark (expert-created workplace reasoning tasks across the economy): • Grok 4.5: 29% mean pass rate • GPT 5.5: 22% • Claude Opus 4.8: 21% Grok 4.5 showed particularly strong gains in demanding areas like legal work, education, healthcare, and QA analysis. This lines up with xAI’s focus on building models that excel at practical, agentic work rather than just synthetic benchmarks. While general intelligence leaderboards still see tight competition at the very top, Grok 4.5 is delivering some of the strongest results on actual professional deliverables right now.

Tesla Owners Silicon Valley

Elon Musk

Elon Musk@elonmusk· Jul 10, 2026

Grok Build improves almost every day

@elonmusk · Jul 10, 2026

Grok only gets better from here

Paata Ivanisvili

Paata Ivanisvili@PI010101· Jul 9, 2026

Grok 4.5 just constructed an explicit counterexample to hypercontractivity for the Poisson semigroup (the square root of the Laplace–Beltrami operator) on the 4-sphere. Back in 2021, with Rupert Frank we proved that hypercontractivity holds in dimensions

Paata Ivanisvili

Paata Ivanisvili

Paata Ivanisvili

Elon Musk reposted

Teortaxes▶️ (DeepSeek 推特🐋铁粉 2023 – ∞)

Teortaxes▶️ (DeepSeek 推特🐋铁粉 2023 – ∞)

@teortaxesTex · Jul 9, 2026

Grok is a frontier model.

Paata Ivanisvili

Paata Ivanisvili@PI010101· Jul 9, 2026

Grok 4.5 just constructed an explicit counterexample to hypercontractivity for the Poisson semigroup (the square root of the Laplace–Beltrami operator) on the 4-sphere. Back in 2021, with Rupert Frank we proved that hypercontractivity holds in dimensions

Paata Ivanisvili

Paata Ivanisvili

Paata Ivanisvili

@elonmusk · Jul 10, 2026

Grok Build improves almost every day

Jason Ginsberg

Jason Ginsberg@JasonBud· Jul 9, 2026

some special features in Grok Build if you're new /dashboard: shows you every agent running in your TUI. no need to tab jump. can click and respond. /imagine: create videos + images w/ an agent. useful for three.js textures or complex video edits. X search tool: great for

Jason Ginsberg

Elon Musk reposted

Kiko Dontchev

@TurkeyBeaver · Jul 9, 2026

The Cape Gigabay is getting closer to being ready for Starship! Teams recently installed the 420-ton crane – which we’ll use to break over and move Starships and Super Heavy boosters preparing for flight. One step closer to the Moon and Mars 🚀🚀🚀

Kiko Dontchev

@elonmusk · Jul 10, 2026

tetsuo

tetsuo@tetsuoai· Jul 9, 2026

Grok 4.5 in Grok Build created an FPS game in under an hour. The prompt was simple. I told it to write a game design document and pull free assets from the web. Then I had it create a TODO.md with implementation phases and run a loop to build out each phase. SpaceXAI and Cursor

tetsuo

@elonmusk · Jul 10, 2026

Grok doesn’t give up

Composio

Composio@composio· Jul 9, 2026

Grok 4.5 is the most persistent agent model we've tested. Here's one example: In one of our evals, we asked 3 models (GPT-5.5, GLM-5.2 and Grok 4.5) to audit a GitHub repo for hardcoded credentials using code search, which returns paginated results. The prompt even warned

Peter H. Diamandis, MD

Peter H. Diamandis, MD

@PeterDiamandis · Jul 9, 2026

China is shipping ~90% of the world's humanoid robots. We cannot keep taking them lightly.

@elonmusk · Jul 9, 2026

Thomas D.

@ThomasAlxDmy · Jul 9, 2026

Too early to tell right now but I wonder if History will look back at this $7.5-40B Anthropic/SpaceXai deal as the biggest unforced error of the AI era. Did the management team thought XAI was too far from the frontier to be a real threat ? Otherwise why give so much money to a

@elonmusk · Jul 9, 2026

You don’t seem to understand that SpaceX will be worth more than the rest of Earth if we accomplish our goals

Louie Panayi

@LouiePanayi · Jul 9, 2026

But how is it an error on Anthropics part? It’s not like it somehow vaulted grok 4.5, it was coming either way. And they just raised 80billion in the ipo. So they weren’t just going to vanish, and even without that - SpaceX cash flow I’m sure could have kept it all going.

@elonmusk · Jul 9, 2026

Visegrád 24

@visegrad24 · Jul 9, 2026

Homeschooling is legal in Brazil but a judge has just sentenced two parents to 50 days in prison for “intellectual neglect” because their 11- and 15-year-old daughters, accomplished pianists and polyglots, received no classes on gender theory, sex education, tolerance, diversity

Visegrád 24

@elonmusk · Jul 9, 2026

The judge’s mind has been poisoned by the lunatic left from America

kache

@yacineMTB · Jul 9, 2026

SpaceXAI now has a legitimate frontier model that competes with opus 4.8. Also, Anthropic is completely reliant on the compute rented from SpaceXAI If Elon wanted to kill anthropic, he could. Iirc the compute lease was short term, 6 months from May without renewal promise. GG

Elon Musk

Elon Musk@elonmusk· Sep 23, 2025

@yacineMTB Winning was never in the set of possible outcomes for Anthropic

@elonmusk · Jul 9, 2026

I was clearly wrong about Anthropic. They are obviously currently the leader in AI. No company has released a model as good as Mythos/Fable and they will undoubtedly have Mythos 2 ready soon. And I would never cut them off in a way that hurt them badly, even as a competitor.

Geiger Capital

@Geiger_Capital · Jul 9, 2026

Remember when the media said Elon was going to kill Twitter and Threads was coming… Now Zuck is breaking AI news here. The global town sqaure.

Mark Zuckerberg

Mark Zuckerberg@finkd· Jul 9, 2026

(1) Today we're releasing Muse Spark 1.1 -- a strong agentic and coding model at a very low price. It's available through our new Meta Model API and in Meta AI.

@elonmusk · Jul 9, 2026

sophie

@netcapgirl · Jul 9, 2026

ai race so crazy it has zuck posting on X

Mark Zuckerberg

Mark Zuckerberg@finkd· Jul 9, 2026

(1) Today we're releasing Muse Spark 1.1 -- a strong agentic and coding model at a very low price. It's available through our new Meta Model API and in Meta AI.

@elonmusk · Jul 9, 2026

Ramp Capital

@RampCapitalLLC · Jul 9, 2026

Anyone else find it odd he’s posting here instead of on Threads?

Mark Zuckerberg

Mark Zuckerberg@finkd· Jul 9, 2026

(1) Today we're releasing Muse Spark 1.1 -- a strong agentic and coding model at a very low price. It's available through our new Meta Model API and in Meta AI.

@elonmusk · Jul 9, 2026

What’s Threads?

John Sambrook

@CommonSenseTOC · Jul 9, 2026

Currently wondering if there is a lower limit to how little interest I would have in a coding tool from Meta. I mean, I think it's like Planck-level interest.

@elonmusk · Jul 9, 2026

Posts — Elon Musk Archive