IBM signed a $240 million deal to host Together AI, an $8.3 billion cloud funded by Aramco and Mubadala
Together AI's new enterprise inference cluster on IBM Cloud rests on a $240M multi-year deal IBM announced in August. The tenant's bookings are self-reported and its backers are Aramco Ventures, Mubadala and Nvidia, and that is the book IBM shareholders are being asked to price.
Vincent Jiang · 3 min read
The marker: a two-sentence sales note
On October 5, Together AI published a note telling enterprises they can now run open models at production scale on a dedicated B300 inference cluster "built by Together AI, IBM Cloud, and NVIDIA" 12. One aggregator relayed it and the trail went cold there 1. The money behind that cluster has a paper trail, and it does not start in Armonk.
The rewind: three checks that funded one cluster
On July 1, Together raised $800M at an $8.3B valuation led by Aramco Ventures, with Nvidia participating, and claimed $1.15B+ in annual bookings and 500+ MW of capacity commitments, both company-reported 511. On August 11, IBM's own release disclosed what the October note was selling: a multi-year $240M agreement, the first dedicated large-scale HGX B300 inference cluster on IBM Cloud, expected available in Q1 2027 3. On September 29, Mubadala, which had put $100M into that Series C, announced a UAE partnership that includes a Together office in Abu Dhabi 67.
The pattern: landlord, not vendor
Together leases chips from cloud providers and re-leases them to developers; its platform already runs on rented capacity from partners including AWS, and it signed a separate B300 capacity deal with Rumble in June 48. IBM has now joined that landlord roster. The enterprises in this arrangement buy from Together, whose named customers include Cursor and Cognition; IBM sells the floor space 35. IBM's release carries its own tell, noting that forward-looking statements "represent goals and objectives only" 3.
The receipts: a rounding error doing narrative work
Set the $240M, spread over multiple years, against $17.2B of quarterly revenue that grew 1.1% in Q2 2026, the last reported quarter 310. The stock budged 0.3% in premarket trading on announcement day 9.
IBM revenue growth peaked at 12.1% and fell to 1.1% in Q2 2026
Data
| Revenue growth, year over year | |
|---|---|
| Q3 '24 | 1.5% |
| Q4 '24 | 1% |
| Q1 '25 | 0.5% |
| Q2 '25 | 7.7% |
| Q3 '25 | 9.1% |
| Q4 '25 | 12.1% |
| Q1 '26 | 9.5% |
| Q2 '26 | 1.1% |
The fork: broad demand or one tenant deep
The bull case, in IBM Cloud general manager Alan Peacock's words: "Enterprises are in a race to adopt agentic AI at scale," and this deal adds a committed AI tenant to a Blackwell push with Nvidia announced in March 39. The bear case: the marquee win is one private neocloud, its demand metrics self-reported, its capital Gulf sovereign money, its chips sold by its own investor. IBM discloses nothing about how much cloud revenue rides on capacity that resellers like Together re-lease 39.
The tell: two dated readings
IBM's third-quarter results and the cluster's penciled Q1 2027 availability date decide the trade. If Together's storefront opens on schedule, the book is tenant demand; if its self-reported bookings soften, IBM holds B300s built for one customer. Big Blue built the floor, Gulf money funds the tenant, and Nvidia collects on both ends of the lease.
Deepdive
AI-generated from this story and its cited sources. Not investment advice.
