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xAI launches Grok 4 with new $300/month SuperGrok Heavy subscription

xAI also introduced SuperGrok Heavy, which is priced at $300 per month.

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Credit: xAI/X

xAI, the artificial intelligence company founded by Elon Musk, has officially launched its latest flagship models, Grok 4 and Grok 4 Heavy. Alongside the release, the company introduced its most premium subscription tier to date, SuperGrok Heavy, which is priced at $300 per month and targeted at power users and developers.

Grok 4 is designed to compete with top-tier AI models like OpenAI’s ChatGPT and Google’s Gemini. As per xAI, Grok 4 demonstrates frontier-level performance across several benchmark evaluations. 

On Humanity’s Last Exam, an extensive test designed to evaluate general knowledge, Grok 4 scored 25.4% without using external tools, outperforming OpenAI’s o3 (high), which scored 21%, and Gemini 2.5 Pro, which scored 21.6%. 

When equipped with tools, Grok 4 Heavy scored 44.4%, making it the top-performing model in that category. For context, Gemini 2.5 Pro with tools scored 26.9%, as noted in a TechCrunch report.

xAI also highlighted Grok 4 Heavy’s “multi-agent” system, which enables multiple instances of the model to solve a problem in parallel and compare answers, similar to a study group. This collaborative approach is intended to improve both reasoning and accuracy in complex tasks.

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The company also shared results from the ARC-AGI-2 benchmark, where Grok (Thinking) achieved new state of the art (SOTA) score on the test with 15.9%. As per Arc Prize in a post on X, this score is “nearly double(s) the previous commercial SOTA and tops the current Kaggle competition SOTA.”

The $300/month SuperGrok Heavy plan grants users early access to Grok 4 Heavy, as well as upcoming product features. Upcoming capabilities that are planned for release in the coming months include an AI coding model in August, a multi-modal agent in September, and a video generation system in October.

Grok 4 and Grok 4 Heavy are available via API as part of xAI’s push to engage developers and enterprise users. The company’s enterprise platform, which launched just two months ago, will also expand via partnerships with cloud hyperscalers to bring Grok models to broader infrastructure environments.

Simon is an experienced automotive reporter with a passion for electric cars and clean energy. Fascinated by the world envisioned by Elon Musk, he hopes to make it to Mars (at least as a tourist) someday. For stories or tips--or even to just say a simple hello--send a message to his email, simon@teslarati.com or his handle on X, @ResidentSponge.

Elon Musk

“Take Back Tesla:” Unions and corporate watchdogs launch campaign against Musk’s 2025 pay package

A new shareholder campaign is calling for Tesla investors to vote against Elon Musk’s proposed 2025 CEO Performance Award.

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Wcamp9, CC BY 4.0 , via Wikimedia Commons

A new shareholder campaign is calling for Tesla investors to vote against Elon Musk’s proposed 2025 CEO Performance Award, arguing it would deepen governance risks and weaken corporate accountability.

Ahead of Tesla’s Q3 2025 earnings report, a coalition of unions and watchdogs launched the “Take Back Tesla” initiative, urging investors to reject Musk’s pay proposal at next month’s annual meeting. The plan would grant the CEO additional shares worth nearly $1 trillion over ten years, expanding his ownership stake in the company to about 25%.

Unions and watchdogs argue that Elon Musk’s proposed plan rewards distraction

The Take Back Tesla campaign is backed by groups such as the American Federation of Teachers, Public Citizen, Americans for Financial Reform, Ekō, People’s Action, and Stop the Money Pipeline. 

As could be seen on the campaign’s website, the groups are arguing that Musk’s focus on political ventures and external businesses has distracted him from leading Tesla. The group’s website called Musk’s new CEO Performance Award “outrageous” as it involves an amount of wealth that is unreachable even by today’s top executives.

“In order to unlock the full amount of shares proposed in this compensation plan, Tesla’s value would need to increase dramatically to $8.5 trillion. As Tesla’s proxy statement points out, that would make Tesla roughly 2x as valuable as the most valuable company in the world (Nvidia) today. Arguably, growing Tesla’s value to double the value of Nvidia would justify paying Musk something like double the compensation of Nvidia’s CEO. 

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“But the annual value of Musk’s trillion dollar pay package isn’t just 2 times what Nvidia’s CEO made last year (just under $50 million); it’s more than 2,000 times what Nvidia’s CEO made last year. At his current compensation of $49.9 million, it would take Nvidia’s CEO over 2,000 years to earn the amount that Elon Musk could earn, on average, per year for the next ten years,” the group argued.

Board defends package as necessary, though some pushback is present

Tesla’s board insists the compensation plan is essential to retain Musk and sustain the company’s innovation in AI, robotics, and self-driving technology. The automaker noted that previous skepticism from proxy firms such as ISS and Glass Lewis preceded a 20x rise in Tesla’s market capitalization since 2018, a feat that seemed unrealistic when it was proposed.

As noted in a CNBC report, New York City Comptroller Brad Lander, who oversees a $300 billion pension fund, stated that while Tesla has been a great investment, he “vociferously opposes” Elon Musk’s proposed 2025 CEO Performance Award. 

“Most of the time we’ve held Tesla stock, it has been a solid investment, it’s grown over time, and that’s why we haven’t chosen to dump it, he said, adding that he views Tesla’s Board as “insufficiently independent” since they have allowed Musk to be “absentee CEO.” Landers also argued that Tesla as a whole has failed to hit its targets when it comes to its Robotaxi program and its Full Self-Driving technology.

For context, Elon Musk has maintained that his 2025 CEO Performance Award is not designed for him to gather even more wealth. Instead, he stressed that it is required so that he could take a controlling stake in the company.

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Elon Musk hits back at former Tesla employee who disagrees with pay package

Tesla is worth more than all other automotive companies combined. Which of those CEOs would you like to run Tesla?

It won’t be me.

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elon musk speaking
Credit: TED

Elon Musk gave a tough response to a former Tesla employee who spoke out on X about the structure of the CEO’s pay package, arguing that it is an overpayment and would not generate enough shareholder value.

Without a doubt, the biggest issue on the bill at this year’s Tesla Shareholder Meeting in November is that of the pay package that was proposed to CEO Elon Musk.

As the Shareholder Meeting approaches, Tesla is urging those investors to vote in support of Musk’s pay package. So far, the community has been overwhelmingly supportive of giving Musk his massive payday, which could give him $1 trillion in additional holdings if he completes each of the outlined performance tranches.

However, there are a handful of institutional and individual shareholders who have pushed back against the package, either because of its value or because they feel it does not benefit shareholders enough.

Last week, we reported that Institutional Shareholder Services (ISS) advised voting against Tesla’s pay package for Musk. The firm said the payday would give Musk”extraordinarily high pay opportunities over the next ten years,” and it would “reduce the board’s ability to meaningfully adjust future pay levels.”

Tesla CEO Elon Musk’s $1 trillion pay package hits first adversity from proxy firm

Additionally, it called the value of the pay package “astronomical.”

On Saturday, a former Tesla employee said on X that Tesla’s proposed pay package for Musk would “barely beat inflation and it would underperform the S&P 500 considerably.” Additionally, he said:

“Sorry, Tesla, some of us (and supposedly, ISS too) simply don’t think that underperforming the S&P 500 this much is worth paying somebody 20 billion dollars worth of company value.

As a fan, I love Tesla, I want it to succeed. As a shareholder, I don’t want Tesla to over-pay for its CEO I strongly believe that the 2025 pay package proposal would over-pay for its CEO, and that other competent CEOs could grow Tesla just as much with way less political drama and cost investors much less that this proposal.”

Musk responded bluntly:

“Tesla is worth more than all other automotive companies combined. Which of those CEOs would you like to run Tesla? It won’t be me.”

It seems the worry about Musk’s potential involvement in politics still looms to many, based on the responses to Musk’s post, which frequently mention that as a downside of his last year as Tesla CEO. However, Tesla’s Board confronted that directly.

In its proxy filing after announcing the pay package, Tesla said that it had three commitments, one of which was that the company would “receive assurances that Musk’s involvement with the political sphere would wind down in a timely manner.”

Tesla Board takes firm stance on Elon Musk’s political involvement in pay package proxy

Musk’s previous pay package was approved by shareholders twice, but it never made it to the CEO because of a lawsuit with the Delaware Chancery Court brought forth by a small-time shareholder.

The response from Musk does seem to show that if this time is no different, he will inevitably step down as CEO in the coming years.

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Elon Musk: Grok 5 now has a 10% chance of becoming world’s first AGI

If his prediction comes to pass, xAI could very well become yet another world-changing company from Elon Musk. 

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Credit: xAI/X

Elon Musk has shared his most optimistic forecast about Grok 5’s capabilities yet. In a recent post on X, Musk stated that he now believes that the upcoming update to xAI’s large language model has a 10% chance of achieving artificial general intelligence. 

If his prediction comes to pass, xAI could very well become yet another world-changing company from Elon Musk. 

Musk’s previous Grok 5 estimate 

Just last month, Elon Musk estimated that xAI might have a chance at achieving artificial general intelligence with Grok 5. Musk’s comments at the time already made headlines, considering that no company in the world today has achieved AGI yet, though numerous AI startups today are actively pursuing artificial general intelligence.

In a recent post on X, Musk noted that his “estimate of the probability of Grok 5 achieving AGI is now at 10% and rising.” In another post, he also noted that “Grok 5 will be AGI or something indistinguishable from AGI.” Grok 5 is yet to be released, though Musk’s comments about the update are definitely setting expectations.

AGI will be world changing

Artificial General Intelligence (AGI) refers to an AI system that is capable of matching or surpassing human-level intelligence across tasks such as thinking, reasoning, and other domains by a notable margin, as noted in a previous report from Benzinga. With AGI achieved, industries from robotics to manufacturing would likely see a notable boost.

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As per a report from the Center for International Relations and Sustainable Development (CIRSD), AGI could eventually pave the way for artificial super intelligence (ASI), which would be more intelligent than AGI and likely more intelligent than all of humanity combined. 

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