Musk Confirms Terafab Is in Talks with TSMC on Chip Collaboration, No Agreement Signed
Elon Musk on October 3 responded on X to a report, confirming that Terafab is discussing the possibility of establishing a dedicated fab with TSMC, but the parties remain in the negotiation stage, no agreement has been signed, and the specific plan, location, and timeline remain undetermined.

News Overview
On October 3, 2026, Elon Musk used his X account – the platform formerly known as Twitter – to reply to a news story that had reported a possible partnership between his venture Terafab and Taiwan Semiconductor Manufacturing Company (TSMC). In his brief reply, Musk wrote that the two companies are currently "just in talks" and that any future progress remains speculative at this stage. He was careful to stress that no formal contract or binding agreement has been executed, and that all the finer points of the potential collaboration – such as the exact technical specifications, the geographic location of any new facility, and the projected timeline for construction and ramp‑up – are still under internal review and have not been publicly disclosed. The original report highlighted that the core of the discussion is whether TSMC would be willing to build and operate a dedicated semiconductor fabrication plant that would exclusively serve the custom‑chip needs of Tesla, SpaceX, and Musk’s artificial‑intelligence venture xAI.
Possible Cooperation Models
- TSMC leads operations, Terafab provides capital and volume guarantees
- SpaceX holds majority equity, TSMC handles process and technical support
- Both parties jointly establish a joint venture, sharing risk and reward
- A dedicated fab supplies custom chips for Tesla, SpaceX, and xAI
The report also mentioned an alternative, more hybrid approach that would involve Intel’s 14‑nanometer (14A) advanced process for the front‑end manufacturing steps, while TSMC would take responsibility for the advanced packaging and testing phases. This mixed‑technology model seeks to leverage Intel’s mature 14‑nm node, which is known for its high yields and established supply chain, together with TSMC’s market‑leading expertise in chip packaging, interconnect, and test services. By splitting the responsibilities, the parties aim to reduce reliance on a single supplier, mitigate supply‑chain risk, and give Terafab a broader menu of process options that could be matched more precisely to the performance and power‑efficiency targets of its bespoke silicon designs.
Current Positions of Both Parties
To date, TSMC has not issued any public comment on the story, nor has it disclosed that any agreement has been signed with Terafab. On the Terafab side, representatives have reiterated that all discussions remain confidential and that both companies are still evaluating the concrete details of any potential partnership. These details include the prospective site for a new fab, the equity split between the participants, the amount of capital each side would commit, and the schedule for moving from design to mass production. Because no formal press release, filing, or contractual document has been made public, external observers are unable to verify any specific investment amount, ownership structure, or operational plan at this time.
Potential Impact and Future Outlook
If the collaboration eventually materialises, the dedicated fab would become a critical component of the supply chain for three of Musk’s flagship enterprises: Tesla’s electric‑vehicle line, SpaceX’s launch‑vehicle hardware, and xAI’s artificial‑intelligence platform. By producing custom‑designed silicon in a facility that is tailored to their exact performance, power‑efficiency, and form‑factor requirements, each business could see notable gains in computational throughput, reduced energy consumption, and a tighter integration of hardware and software. Moreover, owning a bespoke source of chips would lessen dependence on third‑party semiconductor suppliers, thereby strengthening the vertical integration strategy that Musk has pursued across his companies.
The broader context of a tightening global semiconductor supply market adds another layer of significance to the talks. Should TSMC’s cutting‑edge process technology and advanced packaging capabilities align with Terafab’s needs, the partnership could provide a more stable and predictable supply source for the high‑volume, high‑performance chips required by electric vehicles, rockets, and AI accelerators. Investors are likely to watch this potential deal closely, speculating on how it might influence TSMC’s share price, affect the valuations of related supply‑chain firms, and reshape market expectations for future earnings. However, at present there is no concrete data or disclosed financial metric that can substantiate any projected impact on stock performance or revenue streams.
At this stage, neither party has disclosed the final shape of the cooperation, including the precise location of a new fab, the total capital outlay, the exact equity percentages, or the timeline for moving to full‑scale production. Analysts and market participants are cautioned that any ongoing discussions should not be interpreted as a definitive investment decision. The market will need to wait for an official announcement, a signed memorandum of understanding, or a regulatory filing before it can accurately assess the real‑world implications of the partnership.
In summary, Musk’s brief confirmation merely verifies that Terafab and TSMC are in the early stages of negotiation, with no agreement signed and no concrete details finalized. Should the talks progress to a formal agreement, the related supply chains could experience a new wave of sourcing and technology‑layout adjustments; however, until a binding contract is executed, the current situation remains limited to informational updates and speculative analysis.
Sources
- 台積電可能加入 Terafab,馬斯克證實正在洽談晶片製造合作科技新報 · October 4, 2026
- Elon Musk confirms discussions with TSMC about TerafabTom's Hardware · October 3, 2026



