xAI and Cursor Make it Official
SpaceX said it will either buy Cursor for $60 billion or pay the startup a $10 billion model training fee
TLDR: OpenAI and Anthropic might’ve just lost one of their biggest customers to a company that has ambitons to own the compute, the model, the talent, and the IDE.
The enemy of my enemy is my friend, yet again.
In shocking news, Cursor and SpaceX have announced a groundbreaking partnership which could eventually lead to a $60 billion acquisition.
You see, both Cursor and xAI have a shared enemy — Anthropic and OpenAI — two companies which are increasingly moving full-stack beyond the model layer.
The Cursor Perspective
There was a time when Cursor and Anthropic were bffs and Cursor was happy to be Anthropic’s biggest customer. Then Anthropic launched a direct competitor and potential Cursor-killer in Claude Code after first getting a first-hand look at what made Cursor successful. Needless to say, they’ve cancelled their Friendsgiving plans.
The rise of Claude Code has come at Cursor’s expense. While Cursor remains a popular IDE, Claude’s models and the CLI tool, Claude Code, have set new standards for handling complex, multi-file tasks and large context, pushing Cursor to evolve.
In short, this deal shows that Cursor is actively looking to diversify away from OpenAI and Anthropic, who have been after Cursor’s lunch money for some time.
The xAI Perspective
There was also a time when Sam Altman and Elon Musk were good friends. The two former OpenAI co-founders and AI visionaries have a long history with each other. However, in 2018 Musk left the OpenAI board citing phoilosophical differences. Since that time, let’s just say things have not exactly been warm and fuzzy.
Musk is suing OpenAI, Altman, co-founder Greg Brockman and the company’s biggest investor, Microsoft, which owns a 27% stake in the company.
OpenAI has called Musk’s lawsuit “baseless,” a “sham” and a “harassment campaign.”
Musk and Altman are also both actively vying for preferred treatment from the current Trump Administration, as seen in projects like The Stargate Project.
xAI + Cursor: Deal Breakdown & Strategic Implications
Overview
xAI (now under SpaceX) is reportedly partnering closely with—and potentially acquiring—AI coding startup Cursor for up to $60B. The deal appears structured as a strategic partnership with an acquisition call option, combining compute, data, and talent to accelerate xAI’s position in coding AI.
Why the Deal Makes Sense
For Cursor
Cursor’s position has shifted from early leader to increasingly pressured player:
Supplier risk: Heavy reliance on Anthropic (Claude) and OpenAI, both of whom are now direct competitors in coding tools.
Vertical integration threat: Model providers are moving into IDE-like experiences, compressing Cursor’s differentiation.
Strategic hedge: Partnering with xAI gives Cursor:
A third model provider (diversification)
Access to large-scale compute (GPUs)
Potential liquidity via acquisition
Bottom line: Cursor reduces risk while gaining infrastructure and a potential exit.
For xAI (SpaceX)
xAI is behind in coding—arguably the most commercially valuable AI use case today:
Musk has acknowledged Grok is not competitive in coding
xAI has faced talent churn and is undergoing a rebuild
Recent hires from Cursor signal urgency in closing the gap
Cursor provides:
High-quality coding data + user traces (critical for training)
A proven product layer with real developer usage
Talent and domain expertise in code generation workflows
Bottom line: Instead of building from scratch, xAI is effectively buying acceleration in the most important AI battleground.
Likely Deal Structure (Best Guess)
The partnership appears to function like a staged acquisition:
Data + Compute Exchange
Cursor provides usage data / traces
xAI provides GPU capacity + model access
Model Improvement Loop
xAI uses Cursor data to improve Grok + coding models
Cursor potentially integrates xAI models into its product
Option-Based Acquisition
If successful → xAI acquires Cursor (~$60B)
If not → Cursor receives ~$10B (data + partnership value)
Takeaway: This is effectively a low-risk call option for xAI and a high-upside partnership for Cursor.
Deal Context: Signals We Should Have Noticed
The more I think about this, the more I think we should’ve seen this move coming, for three main reasons:
xAI recently hired two key Cursor engineers (Andrew Milich & Jason Ginsberg)
Musk publicly stated Grok needed to be rebuilt from the ground up
All 11 co-founders who launched xAI with Elon Musk in 2023 have departed the company (or were pushed out?) as of late March 2026. Reinforcements were needed.
This is not even to mention the high-stakes AI coding war brewing between the Model-native tools (OpenAI, Anthropic) and the Application-layer tools (Cursor, Cognition, GitHub Copilot).
Market Implications
1. Acceleration of the Coding AI Arms Race
Coding is emerging as the highest-value AI use case
This deal intensifies competition between:
OpenAI (GPT + Codex direction)
Anthropic (Claude + strong coding usage)
xAI (now aggressively catching up)
2. Pressure on Anthropic & OpenAI
Cursor is a major downstream consumer of Claude tokens
If usage shifts to xAI:
Anthropic could lose a key distribution channel
xAI gains immediate demand + feedback loops
This is less about absolute growth slowing—and more about share shifting.
3. Vertical vs Horizontal Battle
OpenAI/Anthropic: moving down the stack (into apps)
Cursor: sits at the application layer
xAI: appears to be choosing a hybrid strategy:
Stay model-focused
Partner (not compete) at the app layer
4. Data Advantage Becomes Decisive
Cursor’s real value isn’t just product—it’s:
Developer workflows
Code edit traces
Feedback loops
This reinforces a key trend: The winners in AI coding will be those with the best data and compute resources, not just models.
5. SpaceX IPO Narrative Risk
Raises questions about:
Whether xAI was overvalued at $250B
Why it needs external help to compete
At the same time:
Shows aggressive action to fix weaknesses
Supports Musk’s broader “AI + space + robotics” narrative
Closing Thoughts
This deal signals that the AI coding market is entering its most competitive phase yet. xAI is no longer trying to catch up organically—it’s buying its way into the race, while Cursor sees the writing on the wall and is seeking to an opportunity to stay relevant in a race that’s increasingly dominated by model providers.
Key Takeaways
Cursor is trading independence for distribution, compute, and optionality.
The deal could re-route a meaningful portion of coding AI demand toward xAI.
This puts an even bigger spot light on the upcoming SpaceX IPO. A lot of VC funds will be watching this one anxiously.
Disclaimer: The information contained in this article is not investment advice and should not be used as such. Investors should do their own due diligence before investing in any securities discussed in this article. This article is based on my opinions and should be considered as such, not a point of fact. Views expressed are my own and are not the views of NextEra Energy Investments (NEI) or NextEra Energy (NEE: NYSE).