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Chronicle · Records dated 2025

2025: compute

Selekoa’s 69 compute records dated 2025, in date order, of 772 in all topics. 5 stated dates are listed apart.

Selective: what the records hold, not a history of the year.

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Compute 69 records

Dated to 2025 only

  1. · snapshot · dated to the year · stated as in operation

    xAI reported ending 2025 with over one million H100 GPU equivalents across Colossus I and II. Evidence ↗

January 2025

  1. · announcement · dated to the day

    The UK government announced on 13 January 2025 AI Growth Zones to speed up planning approvals for data centres and give them better grid access, the first to be in Culham, Oxfordshire. Evidence ↗
  2. · announcement · dated to the day · contract

    Microsoft reported that the OpenAI API remained exclusive to Azure. Evidence ↗
  3. · announcement · dated to the day · contract

    Microsoft reported that OpenAI’s new-capacity arrangement gave Microsoft a right of first refusal. Evidence ↗

March 2025

  1. · announcement · dated to the day · contract

    CoreWeave announced an OpenAI compute infrastructure contract valued at up to $11.9 billion. Evidence ↗
  2. · announcement · dated to the day · plan

    Crusoe stated that with the second phase its Abilene facility would total eight buildings and a total power capacity of 1.2 gigawatts. Evidence ↗
  3. · announcement · dated to the day

    Crusoe stated in March 2025 that it began constructing its Abilene AI data center in June 2024 and that the initial phase, two buildings and 200+ megawatts, was expected to be energized in the first half of 2025. Evidence ↗
  4. · snapshot · dated to the day · contract

    CoreWeave reports an OpenAI lien and security interest in the infrastructure SPV’s equity upon an event of default. Evidence ↗
  5. · snapshot · dated to the day · contract

    CoreWeave reports that repeated service-availability failures give OpenAI a right to terminate all or part of its March agreement commitment. Evidence ↗

April 2025

  1. · announcement · dated to the day

    Axiom Space announced on 7 April 2025 the upcoming launch of its first two Orbital Data Center nodes to low Earth orbit by the end of 2025, as part of Kepler Communications' optical relay constellation. Evidence ↗
  2. · announcement · dated to the day · stated as in operation

    NVIDIA stated on 14 April 2025 that NVIDIA Blackwell chips had started production at TSMC’s chip plants in Phoenix, Arizona. Evidence ↗

May 2025

  1. · announcement · dated to the day · announced

    AMD and HUMAIN announced on 13 May 2025 an agreement under which the parties will invest up to $10 billion to deploy 500 megawatts of AI compute capacity over five years, with HUMAIN delivering the data-centre, power and fibre infrastructure and AMD providing its AI compute portfolio and ROCm software. Evidence ↗
  2. · announcement · dated to the day · announced

    HUMAIN and NVIDIA announced on 13 May 2025, in a release on NVIDIA's newsroom, that HUMAIN was making an investment to build AI factories in Saudi Arabia with a projected capacity of up to 500 megawatts powered by several hundred thousand NVIDIA GPUs over five years, the first phase being an 18,000-chip NVIDIA GB300 Grace Blackwell AI supercomputer. Evidence ↗
  3. · snapshot · dated to the day · contract

    CoreWeave reports an additional May 2025 OpenAI reserved-capacity agreement with a payment commitment of up to $4 billion through April 2029. Evidence ↗
  4. · announcement · dated to the day · announced

    The UAE Embassy in Washington, republishing a WAM report, stated that a 5GW UAE–US AI Campus in Abu Dhabi was unveiled on 15 May 2025 in the presence of the UAE and US presidents, to be built by G42 and operated in partnership with several US companies. Evidence ↗
  5. · publication · dated to the day

    A press report relayed on ncsti.gov.cn on 15 May 2025 states that the space computing constellation consists of 12 satellites built by ADA Space and carries Zhejiang Lab's onboard intelligent computers and space-based models. Evidence ↗
  6. · announcement · dated to the day

    WAM reported on 15 May 2025 that the 5 GW UAE–US AI Campus in Abu Dhabi, once completed, will use nuclear, solar and gas power to minimise carbon emissions. Evidence ↗
  7. · announcement · dated to the day · announced

    G42, OpenAI, Oracle, NVIDIA, SoftBank Group and Cisco announced on 22 May 2025 Stargate UAE, a 1-gigawatt compute cluster to be built by G42 and operated by OpenAI and Oracle within the UAE–US AI Campus. Evidence ↗

June 2025

  1. · announcement · dated to the day · contract

    Constellation and Meta announced on 3 June 2025 that they had signed a 20-year power purchase agreement for the output of the Clinton Clean Energy Center in Illinois, 1,121 MW, beginning in June 2027, with Meta purchasing the plant's clean energy attributes. Evidence ↗
  2. · announcement · dated to the day · contract

    Talen announced on 11 June 2025 a power purchase agreement to supply 1,920 MWe from its Susquehanna nuclear plant to support Amazon Web Services’ data centres, running until 2042, with deliveries ramping to full volume no later than 2032, as the cross-family check read Talen’s release; World Nuclear News reported it on 12 June 2025. Evidence ↗
  3. · announcement · dated to the day · contract

    Google announced on 30 June 2025 an offtake agreement to take 200 MW of carbon-free energy from Commonwealth Fusion Systems' first commercial plant, ARC, to be developed in Chesterfield, Virginia, together with a second capital investment in CFS and an option to buy power from future plants. Evidence ↗

July 2025

  1. · snapshot · dated to the day · stated as in operation

    xAI reported using its 200,000-GPU Colossus cluster for Grok 4 reinforcement-learning training. Evidence ↗
  2. · snapshot · dated to the day · delivered

    OpenAI reported Oracle began delivering NVIDIA GB200 racks to Stargate I in June 2025. Evidence ↗
  3. · snapshot · dated to the day · stated as in operation

    OpenAI reported early training and inference workloads at the partly operating Stargate I site in Abilene. Evidence ↗
  4. · announcement · dated to the day · contract

    OpenAI announced an agreement with Oracle to develop 4.5 GW of additional US Stargate datacenter capacity. Evidence ↗
  5. · announcement · dated to the day

    DOE announced on 24 July 2025 that it had selected Idaho National Laboratory, the Oak Ridge Reservation, the Paducah Gaseous Diffusion Plant and the Savannah River Site to invite private partners to develop AI data centre and energy generation projects, following an April 2025 request for information. Evidence ↗
  6. · publication · dated to the day · plan

    Mark Zuckerberg said on Meta's 30 July 2025 earnings call that Meta was building out Hyperion, "which will be able to scale up to 5GW over several years". Evidence ↗
  7. · publication · dated to the day · plan

    Mark Zuckerberg said on the same call that the Prometheus cluster was "coming online next year" and that Meta thought it would be "the world's first 1GW+ cluster". Evidence ↗
  8. · announcement · dated to the day · plan

    The Stargate Norway release stated planned capacity of 230MW, with ambitions to expand by a further 290MW. Evidence ↗
  9. · announcement · dated to the day · announced

    Nscale, Aker and OpenAI announced on 31 July 2025 Stargate Norway, an AI infrastructure project at Kvandal outside Narvik, to be designed and built by Nscale and owned by a planned 50/50 Nscale–Aker joint venture. Evidence ↗

August 2025

  1. · announcement · dated to the day · contract

    Google announced on 18 August 2025 a power purchase agreement under which TVA will buy electricity from Kairos Power's Hermes 2 plant in Oak Ridge, Tennessee, enabling 50 MW on TVA's grid serving Google's data centers in Montgomery County, Tennessee and Jackson County, Alabama, with Google procuring the plant's clean energy attributes through TVA. Evidence ↗

September 2025

  1. · announcement · dated to the day · commitment

    Nscale announced that it and Microsoft had entered a commitment on Nscale's AI Campus in Loughton, stated to deliver 50MW of AI capacity, scalable to 90MW, and initially to house 23,040 NVIDIA GB300 GPUs delivered in Q1 2027. Evidence ↗
  2. · announcement · dated to the day · announced

    Nscale announced on 16 September 2025 that Nscale, OpenAI and NVIDIA were together establishing Stargate UK, an infrastructure platform to deploy OpenAI’s technology in the UK, expected to be based across several UK sites including Cobalt Park, which will form part of the newly designated North East AI Growth Zone. Evidence ↗
  3. · announcement · dated to the day · plan

    Nscale stated that OpenAI "will explore offtake of up to 8,000 NVIDIA GPUs in Q1 2026", with potential to scale to 31,000 GPUs; the UK government's release of the next day said the first phase "will see OpenAI take up to 8,000 GPUs". Evidence ↗
  4. · announcement · dated to the day

    Eric Xu stated, in Huawei’s published keynote transcript, at Huawei Connect on 18 September 2025 that over the next three years Huawei would work on three new Ascend chip series (950, 960 and 970), with the Ascend 950PR to be available in the first quarter of 2026, the 950DT in the fourth quarter of 2026, the 960 in the fourth quarter of 2027 and the 970 planned for the fourth quarter of 2028. Evidence ↗
  5. · announcement · dated to the day · letter of intent

    OpenAI and NVIDIA announced on 22 September 2025, in a joint release on NVIDIA's newsroom, a letter of intent for a partnership to deploy at least 10 gigawatts of NVIDIA systems for OpenAI’s AI infrastructure, with the first gigawatt targeted for the second half of 2026 on the NVIDIA Vera Rubin platform. Evidence ↗
  6. · announcement · dated to the day · plan

    The September 2025 release stated that the five new sites, the Abilene site and ongoing CoreWeave projects together bring Stargate to "nearly 7 gigawatts of planned capacity and over $400 billion in investment over the next three years". Evidence ↗
  7. · announcement · dated to the day · announced

    The same 23 September 2025 release announced a Stargate site in Doña Ana County, New Mexico, as one of three new sites under the OpenAI–Oracle agreement. Evidence ↗
  8. · announcement · dated to the day

    The September 2025 release stated that SoftBank had broken ground at the Lordstown, Ohio site, which it said was on track to be operational the following year. Evidence ↗
  9. · announcement · dated to the day · announced

    The September 2025 release announced a Stargate site in Milam County, Texas, to be developed through the SoftBank–OpenAI partnership with SB Energy, a SoftBank Group company. Evidence ↗
  10. · announcement · dated to the day · plan

    The September 2025 release stated that the three Oracle-developed sites, combined with a potential 600 MW expansion near the Abilene site, "can deliver over 5.5 gigawatts of capacity". Evidence ↗
  11. · announcement · dated to the day · announced

    A joint OpenAI, Oracle and SoftBank release of 23 September 2025 announced a Stargate site in Shackelford County, Texas, as one of three new sites under the OpenAI–Oracle agreement. Evidence ↗
  12. · announcement · dated to the day · plan

    The September 2025 release stated that the Lordstown and Milam County sites together "can scale to 1.5 gigawatts over the next 18 months". Evidence ↗

October 2025

  1. · announcement · dated to the day · letter of intent

    Samsung's release of 1 October 2025 stated that OpenAI and four Samsung companies had announced a letter of intent under which Samsung Electronics will work with OpenAI as a strategic memory partner to supply advanced semiconductor solutions for OpenAI’s Stargate initiative. Evidence ↗
  2. · signature · dated to the day · letter of intent

    SK Group announced on 1 October 2025 that SK hynix had signed a letter of intent with OpenAI to supply High Bandwidth Memory for Stargate data centres and would establish a production system able to meet OpenAI’s HBM demand of up to 900,000 DRAM wafers per month. Evidence ↗
  3. · announcement · dated to the day · contract

    AMD and OpenAI announced on 6 October 2025, in a joint release, a definitive agreement under which OpenAI is to deploy 6 gigawatts of AMD Instinct GPUs across multiple generations, beginning with a 1 gigawatt deployment of MI450 GPUs set to start in the second half of 2026. Evidence ↗
  4. · announcement · dated to the day · announced

    The joint OpenAI–Broadcom release of 13 October 2025 announced a collaboration for 10 gigawatts of custom AI accelerators designed by OpenAI and developed and deployed with Broadcom, with deployment of racks targeted to start in the second half of 2026 and to be completed by the end of 2029. Evidence ↗
  5. · announcement · dated to the day · term sheet

    The joint OpenAI–Broadcom release of 13 October 2025 stated that the two companies had signed a term sheet to deploy racks incorporating OpenAI-designed AI accelerators and Broadcom networking, and that they had long-standing agreements on co-development and supply of the accelerators. Evidence ↗
  6. · announcement · dated to the day · announced

    Google stated that the Visakhapatnam AI hub will include a purpose-built data center campus capable of gigawatt-scale compute capacity, with AdaniConneX and Airtel as partners. Evidence ↗
  7. · announcement · dated to the day · announced

    Meta announced on 15 October 2025 that it was breaking ground on an AI-focused data center in El Paso, Texas, that "can scale to a 1GW data center site", with an initial phase investment of more than $1.5 billion. Evidence ↗
  8. · announcement · dated to the day

    According to NVIDIA's blog of 15 October 2025, Starcloud plans to build a 5-gigawatt orbital data centre with solar and cooling panels about 4 kilometres in width and length. Evidence ↗
  9. · announcement · dated to the day

    G42 stated on 16 October 2025 that construction of the first 200MW of Stargate UAE, developed by its company Khazna Data Centers, was well underway toward a planned 2026 delivery. Evidence ↗
  10. · announcement · dated to the day · announced

    OpenAI, Oracle and Vantage Data Centers announced on 22 October 2025 plans for a campus in Port Washington, Wisconsin, which Vantage’s release identifies as "the Midwest site that was recently announced as part of OpenAI’s Stargate expansion". Evidence ↗
  11. · announcement · dated to the day · plan

    Vantage stated that the Port Washington campus will feature four data centers providing close to a gigawatt of AI capacity, with construction to begin soon and completion scheduled for 2028. Evidence ↗
  12. · announcement · dated to the day · plan

    Anthropic announced plans to expand Google Cloud use by up to one million TPUs, with capacity expected online in 2026. Evidence ↗
  13. · announcement · dated to the day · announced

    Google announced on 27 October 2025 a collaboration with NextEra Energy including the restart of the Duane Arnold Energy Center in Iowa, which Google expects back online in early 2029 providing more than 600 MW to the regional grid to support its cloud and AI infrastructure in Iowa. Evidence ↗
  14. · announcement · dated to the day · contract

    Microsoft reported OpenAI had contracted to purchase an additional $250 billion of Azure services. Evidence ↗
  15. · announcement · dated to the day · contract

    Microsoft reported removal of its right of first refusal as OpenAI’s compute provider. Evidence ↗
  16. · snapshot · dated to the day · deployed

    Amazon reported launching Project Rainier to build and deploy Anthropic’s Claude models. Evidence ↗
  17. · announcement · dated to the day · announced

    OpenAI, Oracle and Related Digital announced on 30 October 2025 plans to develop a data center campus with more than a gigawatt of capacity in Saline Township, Michigan, as part of the OpenAI–Oracle 4.5 GW partnership. Evidence ↗
  18. · snapshot · dated to the day · deployed

    Amazon described Project Rainier as containing nearly 500,000 Trainium2 chips. Evidence ↗

November 2025

  1. · announcement · dated to the month

    Starcloud states that Starcloud-1 launched in November 2025 carrying an NVIDIA H100 GPU. Evidence ↗
  2. · announcement · dated to the day

    Google announced Project Suncatcher on 4 November 2025, a research "moonshot" exploring constellations of solar-powered satellites carrying Google TPUs and linked by free-space optics to scale machine-learning compute in space. Evidence ↗
  3. · announcement · dated to the day

    Google stated that Suncatcher's next milestone is a learning mission with Planet to launch two prototype satellites by early 2027. Evidence ↗
  4. · announcement · dated to the day

    A Microsoft Source feature of November 2025 stated that the Atlanta AI datacenter "began operation in October". Evidence ↗
  5. · announcement · dated to the day · announced

    Microsoft unveiled on 12 November 2025 the next Fairwater site of Azure AI datacenters, in Atlanta, Georgia, connected to its Wisconsin Fairwater site. Evidence ↗
  6. · announcement · dated to the day · commitment

    The joint announcement of 18 November 2025 by Microsoft, NVIDIA and Anthropic stated that Anthropic had committed to purchase $30 billion of Azure compute capacity and to contract additional compute capacity up to one gigawatt. Evidence ↗
  7. · announcement · dated to the day · commitment

    The joint announcement of 18 November 2025 stated that Anthropic’s compute commitment would initially be up to one gigawatt of compute capacity with NVIDIA Grace Blackwell and Vera Rubin systems, and that Anthropic and NVIDIA would collaborate on design and engineering. Evidence ↗
  8. · announcement · dated to the day · plan

    Amazon stated that the investment will add nearly 1.3 gigawatts of AI and supercomputing capacity across the AWS Top Secret, AWS Secret and AWS GovCloud (US) Regions. Evidence ↗

Dates stated for 2025 5 dates

Each date as its record gives it, with who stated it. A target, deadline or term says what a party said would happen; a reported date says what a party said happened; a scheduled date had not been reached when the record’s sources were last checked. None is a dated record of what happened.

  1. (as worded: “first half of 2025”) · Operation target · stated by Crusoe

    Crusoe stated in March 2025 that it began constructing its Abilene AI data center in June 2024 and that the initial phase, two buildings and 200+ megawatts, was expected to be energized in the first half of 2025. Evidence ↗
  2. · Launch target · stated by Axiom Space

    Axiom Space announced on 7 April 2025 the upcoming launch of its first two Orbital Data Center nodes to low Earth orbit by the end of 2025, as part of Kepler Communications' optical relay constellation. Evidence ↗
  3. (as worded: “end of 2025”) · Completion target · stated by U.S. Department of Energy

    DOE announced on 24 July 2025 that it had selected Idaho National Laboratory, the Oak Ridge Reservation, the Paducah Gaseous Diffusion Plant and the Savannah River Site to invite private partners to develop AI data centre and energy generation projects, following an April 2025 request for information. Evidence ↗
  4. · Operation start reported · stated by Microsoft

    A Microsoft Source feature of November 2025 stated that the Atlanta AI datacenter "began operation in October". Evidence ↗
  5. · Construction start reported · stated by Meta

    Meta announced on 15 October 2025 that it was breaking ground on an AI-focused data center in El Paso, Texas, that "can scale to a 1GW data center site", with an initial phase investment of more than $1.5 billion. Evidence ↗