ChipsThe story, in brief

Broadcom reportedly won't build OpenAI's custom chip unless Microsoft buys 40 percent of them

$18B. That's what OpenAI's custom chip costs—and Broadcom won't build it unless Microsoft commits to buying 40% of production.

Paper-cut illustration of an amber microchip with circuit paths extending into a row of data-center cabinets.
The infrastructure powering AI.AI illustration by KeyNews
The KeyNews take

Why it matters

OpenAI's custom silicon strategy is stalling on financing. Broadcom's demand for guaranteed offtake from Microsoft reveals the capital intensity and risk concentration in AI chip development—a critical constraint on compute availability.

The key facts

5 to know
  1. Broadcom conditioning chip production on 40% Microsoft purchase commitment

  2. Microsoft has not yet agreed to the terms

  3. Phase 1 production cost: ~$18B

  4. Internal OpenAI manager (Sachin Katti) flagged dependency as 'financially unattractive'

  5. Custom chip project status: stalled pending financing agreement

Go to the source

The Decoderthe-decoder.com

Publisher excerpt: OpenAI's custom AI chip project with Broadcom has hit a funding wall. Broadcom won't finance production unless Microsoft commits to buying 40 percent of the chips, and Microsoft hasn't agreed yet. OpenAI manager Sachin Katti called the dependency "financially unattractive" in an internal message.…
Read original report
Back to today's editionMore chips news

Keep reading

Related stories

More from Chips