Cursor Hits $3B ARR as Composer 2.5 Trains on SpaceX Hardware

Cursor's annualized revenue crossed $3 billion in late April 2026, Bloomberg reported Thursday evening, as the AI code editor accelerates into the SpaceX acquisition window with stronger enterprise numbers than its previous disclosures suggested.

The $3 billion figure marks a 50% jump from the $2 billion ARR Bloomberg had reported just three months earlier in February. That trajectory — zero to $3 billion in roughly three years from public launch — keeps Cursor on track for its own internal forecast of more than $6 billion in annualized revenue by the end of 2026.

The Enterprise Traction Behind the Number

The revenue figure alone understates how deep Cursor has penetrated enterprise software teams. According to Bloomberg's source, more than 3,000 customers are now paying at least $100,000 each for Cursor's software on an annualized basis. That kind of logo density at the six-figure contract tier is a meaningful signal — it confirms that Cursor has made the jump from individual developer subscriptions to standardized procurement across large engineering organizations.

Corporate buyers now account for roughly 60% of Cursor's revenue, and approximately 67% of Fortune 500 companies use the platform across their engineering teams, according to earlier reporting. The $100K-plus customer count places Cursor firmly in the territory of enterprise software companies, not just developer tools.

Composer 2.5 Already Running on SpaceX Infrastructure

The most operationally significant detail in Bloomberg's report is a quiet but notable data point: Composer 2.5, Cursor's latest proprietary AI coding model released on May 18, partially relied on one of SpaceX's data centers for training. That marks the first public confirmation that the SpaceX partnership announced in April is not just a financial arrangement — it is already changing how Cursor's models are built.

SpaceX's Colossus supercomputer in Memphis, Tennessee, operates at roughly one million H100 GPU equivalents. Cursor has publicly cited compute access as one of its core bottlenecks: "we've been bottlenecked by compute," the company noted at the time of the SpaceX deal announcement in April. Training Composer 2.5 on that infrastructure suggests the constraint is easing faster than the market expected.

The Acquisition Timeline

SpaceX is expected to list shares on June 12, 2026, with the Cursor acquisition set to close within 30 days of the IPO — placing the expected close in mid-to-late July 2026. The deal structure disclosed in SpaceX's S-1 includes a $1.5 billion breakup fee and an $8.5 billion deferred services fee under a compute agreement. SpaceX's preferred acquisition mechanism is newly issued SPCX shares after the IPO closes, reducing pre-IPO cash pressure while still locking in the deal structure.

For developers currently on Cursor, the timeline means roughly two months of acquisition-window uncertainty before the ownership question resolves — assuming SpaceX exercises the $60 billion option rather than paying the $10 billion collaboration floor.

What's Unconfirmed

Bloomberg's sourcing comes from a single person familiar with the matter who requested anonymity, and Cursor declined to comment on the revenue figure. The $3 billion ARR reflects late April performance and may not capture any May acceleration or plateau. The Composer 2.5 training detail has not been independently confirmed by Cursor or SpaceX.

The bigger open question for developers watching this space: whether SpaceX's post-IPO ownership changes Cursor's model access strategy. Cursor's Composer model runs alongside Claude, GPT, and Gemini APIs — all three supplied by companies now building competing coding agents directly. The compute partnership with xAI gives Cursor a path to reduce that dependency, but how far and how fast the transition happens remains unconfirmed.