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Elon Musk reposted

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.

Elon Musk@elonmusk· Jul 10, 2026Grok Build improves almost every day
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Elon Musk
@elonmusk · Jul 10, 2026
Grok only gets better from here
Paata Ivanisvili@PI010101· Jul 9, 2026Grok 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



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Elon Musk reposted

Teortaxes▶️ (DeepSeek 推特🐋铁粉 2023 – ∞)
@teortaxesTex · Jul 9, 2026
Grok is a frontier model.
Paata Ivanisvili@PI010101· Jul 9, 2026Grok 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



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Elon Musk
@elonmusk · Jul 10, 2026
Grok Build improves almost every day
Jason Ginsberg@JasonBud· Jul 9, 2026some 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
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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 🚀🚀🚀

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Elon Musk
@elonmusk · Jul 10, 2026
Grok gaming
tetsuo@tetsuoai· Jul 9, 2026Grok 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
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Elon Musk
@elonmusk · Jul 10, 2026
Grok doesn’t give up
Composio@composio· Jul 9, 2026Grok 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
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Peter H. Diamandis, MD
@PeterDiamandis · Jul 9, 2026
China is shipping ~90% of the world's humanoid robots. We cannot keep taking them lightly.
Elon Musk
@elonmusk · Jul 9, 2026
For now
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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
Elon Musk
@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
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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.
Elon Musk
@elonmusk · Jul 9, 2026
Exactly
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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

Elon Musk
@elonmusk · Jul 9, 2026
The judge’s mind has been poisoned by the lunatic left from America
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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@elonmusk· Sep 23, 2025@yacineMTB Winning was never in the set of possible outcomes for Anthropic
Elon Musk
@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.
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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@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
@elonmusk · Jul 9, 2026
Guess not lol
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sophie
@netcapgirl · Jul 9, 2026
ai race so crazy it has zuck posting on X
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
@elonmusk · Jul 9, 2026
Yup
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Ramp Capital
@RampCapitalLLC · Jul 9, 2026
Anyone else find it odd he’s posting here instead of on Threads?
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
@elonmusk · Jul 9, 2026
What’s Threads?
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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.
Elon Musk
@elonmusk · Jul 9, 2026
😂
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Phantom of the Feed
@CITIZEN_FLX · Jul 9, 2026
Jinx like you said it at the same time or it's a jinx?
Elon Musk
@elonmusk · Jul 9, 2026
Same time
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Déborah
@dvorahfr · Jul 9, 2026
Do you dance with the new update of Grok Imagine ?
Elon Musk
@elonmusk · Jul 9, 2026
🔥
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Elon Musk
@elonmusk · Jul 9, 2026
Starmind
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Elon Musk
@elonmusk · Jul 9, 2026
Grok 4.5
Kevin Bass@kevinnbass· Jul 9, 2026Grok 4.5 scores significantly better than other frontier models Opus 4.8 and GPT 5.5 across ALL professional work benchmarks.
It performs exceptionally well at law.

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