---
id: "2025-01-21-stargate-project"
url: "https://postcutoff.com/e/2025-01-21-stargate-project/"
as_of: "2026-11-13T13:49:00+01:00"
date: "2025-01-21"
date_precision: day
category: hardware-compute
importance: 4
confidence: high
status: [Confirmed]
sources: 3
editor: human editor
human_review: null
version: "2026-10-04"
---

As of: 2026-11-13 13:49 CET.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/
Canonical page: https://postcutoff.com/e/2025-01-21-stargate-project/

# Stargate: $500 billion AI infrastructure venture announced

OpenAI, SoftBank, Oracle and MGX announced the Stargate Project at the White House, pledging to invest $500B over four years in US AI infrastructure for OpenAI, with $100B deployed immediately.

## Key facts
- Announced 21 January 2025 with President Trump
- Target: $500B over four years; $100B initially
- SoftBank holds financial responsibility, OpenAI operational responsibility; Masayoshi Son as chairman
- Technology partners include Arm, Microsoft, NVIDIA and Oracle
- First site in Abilene, Texas; five more US sites announced in September 2025

## What happened

A day after the presidential inauguration, OpenAI and partners launched a joint venture to build gigawatt-scale datacenters.

## Why it matters

Symbolized the shift to industrial-scale AI compute build-out, measured in gigawatts and hundreds of billions of dollars.

## Your AI and this story

- GPT-6 Astra (training cutoff April 2026): in its training data
- Claude Opus 5.5 (training cutoff June 2026): in its training data
- Gemini 4 Hydrogen (training cutoff March 2026): in its training data
- Grok 4.7 (training cutoff May 2026): in its training data

## Sources

1. [Announcing The Stargate Project (OpenAI)](https://openai.com/index/announcing-the-stargate-project/) (openai.com, official)
2. [Announcing The Stargate Project (SoftBank)](https://group.softbank/en/news/press/20250122) (group.softbank, official)
3. [OpenAI, Oracle, and SoftBank expand Stargate with five new AI data center sites (OpenAI)](https://openai.com/index/five-new-stargate-sites/) (openai.com, official)

## Changes

- 2026-09-29 (filed): Created

## Related

- 2025-09-22: [NVIDIA and OpenAI announce 10-gigawatt partnership with up to $100B investment](https://postcutoff.com/e/2025-09-22-nvidia-openai-partnership/index.md)
- People: [Donald Trump](https://postcutoff.com/person/donald-trump/), [Masayoshi Son](https://postcutoff.com/person/masayoshi-son/)