SpaceX Closes $60 Billion Cursor Deal as Grok 4.6 Launches
SpaceX officially closed its $60 billion all-stock acquisition of Anysphere, integrating Cursor into SpaceXAI to advance Grok, Grok Build, Grok Bot, and the Grok API. SpaceXAI simultaneously released Grok 4.6 for long-running agents, coding, and multi-step knowledge work, with reporting citing frontier-level performance and integration with Cursor and terminal agents. Grok Bot entered beta on Mac, iOS, Windows, and Linux for SuperGrok Heavy, Cursor Ultra, and Cursor Teams Premium users. Anthropic pursued vertical integration in parallel: Bloomberg reported a potential $6 billion Decart chip deal and a $9.1 billion lease for 191 megawatts of data center capacity from Riot Platforms in Texas. Coverage portrays advantage shifting from standalone benchmarks toward distribution, agent infrastructure, and power-backed compute, though merger integration timelines and external API commitments remain unsettled.
SpaceX Closes $60 Billion Cursor Deal as Grok 4.6 Launches
SpaceX officially closed its $60 billion acquisition of Cursor, one of the defining products of the AI coding era. At almost the same time, SpaceXAI released Grok 4.6, a model explicitly optimized for long-running agents, coding, and multi-step knowledge work.
Key takeaway
Ecosystem integration across models, IDEs, and agent tooling is outpacing marginal benchmark gains as the decisive edge in AI coding.
What happened
SpaceX officially closed its $60 billion all-stock acquisition of Anysphere, bringing Cursor under SpaceXAI according to Cursor's announcement and industry reporting. Cursor stated it will join SpaceXAI to help make Grok the world's most useful AI and improve Grok Build, Grok Bot, Grok API, and Cursor.
SpaceXAI released Grok 4.6, described as optimized for long-running agents, coding, and multi-step knowledge work, with reporting comparing its frontier performance to GPT-5.6 Sol. SpaceXAI also rolled out Grok Bot in beta on Mac, iOS, Windows, and Linux for SuperGrok Heavy, Cursor Ultra, and Cursor Teams Premium users.
Evidence
SpaceX closed its acquisition of Cursor and Cursor will join SpaceXAI.
Cursor (X) · attributed
Cursor is now part of @SpaceX. Today, we have officially closed our acquisition. We will join the @SpaceXAI team to help make Grok the world's most useful AI and improve Grok Build, Grok Bot, Grok API, Cursor, and more
SpaceX completed a $60 billion all-stock acquisition of Anysphere to integrate Cursor into SpaceXAI.
TheSequence · attributed
SpaceX completed a $60B all-stock acquisition of Anysphere to integrate Cursor into its AI division
Grok 4.6 is optimized for long-running agents, coding, and multi-step knowledge work.
TheSequence · attributed
SpaceXAI released Grok 4.6, a model explicitly optimized for long-running agents, coding, and multi-step knowledge work.
Grok Bot launched in beta across desktop and mobile platforms for premium Cursor and SuperGrok users.
Techmeme · attributed
SpaceXAI rolls out Grok Bot AI agent app in beta on Mac, iOS, Windows, and Linux, initially for SuperGrok Heavy, Cursor Ultra, and Cursor Teams Premium users
Anthropic is considering acquiring Decart for approximately $6 billion for custom silicon capacity.
Bloomberg Technology · attributed
Bloomberg reports that Anthropic is considering acquiring Decart, a specialized chip design firm, for approximately $6 billion to secure custom silicon capacity.
Anthropic leased $9.1 billion of data center capacity covering 191 megawatts from Riot Platforms in Texas.
The Decoder · attributed
Anthropic is leasing $9.1 billion worth of data center capacity from Bitcoin miner Riot Platforms in Texas, according to Bloomberg. The deal covers 191 megawatts at Riot's Rockdale site
Grok 4.6's strategic value lies in vertical stack integration rather than raw benchmark dominance.
Towards AI · attributed
Grok 4.6 does not dominate Claude or Codex. With frontier performance, aggressive pricing, and Cursor distribution, it may not need to.
Why it matters
Builders must weigh distribution friction, infrastructure lock-in, and potential API changes alongside raw model quality when choosing long-term coding stacks.
Limits and uncertainties
Bloomberg reports Anthropic is considering a Decart acquisition, not that a deal has closed.
Merger integration timelines and how Cursor pricing, APIs, and data policies may change after the SpaceX acquisition are not yet specified.
Grok 4.6 frontier performance comparisons rely on reporting rather than independent benchmark verification in the packet.
Grok Bot remains in beta and is initially limited to SuperGrok Heavy, Cursor Ultra, and Cursor Teams Premium users.
Practical implications
Evaluate Grok 4.6 together with Cursor and Grok Build integration friction, not isolated code-quality benchmarks.
Monitor Cursor for post-acquisition API, pricing, and roadmap changes that could affect existing workflows.
Treat power and data-center contracts as primary scaling constraints when planning agent infrastructure.
Consider cost-effective open-model alternatives such as DeepSeek-V4-Pro noted in industry coverage when assessing agent stacks.
What to watch
Cursor product roadmap, API stability, and pricing after SpaceXAI integration.
Grok Bot general availability beyond premium SuperGrok and Cursor tiers.
Whether Anthropic proceeds with the reported Decart acquisition ahead of its IPO.
Default model options and bundling between Grok 4.6, Cursor, and Grok Build inside the merged stack.
Original reporting: The Sequence Radar- Issue 915: Last Week in AI: The Cursor Acquisition, New Grok and GLM Models, Anthropic’s Latest Deal, and River AI
