Core Scientific Pivots 1.5GW From Bitcoin Mining to AI Data Centers in $4B CoreWeave Deal

Core Scientific announced Tuesday it's converting 1.5 gigawatts of its bitcoin mining footprint to high-density AI data center capacity, in what amounts to the largest single industrial pivot from crypto mining to AI compute on record. The company will retain roughly 600MW of mining capacity, mainly at sites with locked-in power contracts that don't economically support AI workloads.
The 1.5GW figure is the headline because it dwarfs every prior conversion. Riot Platforms converted 200MW. Hut 8 converted 350MW. Cipher's pivot is roughly 400MW. Core Scientific's number is bigger than all three combined. It also represents about 4% of total announced AI data center capacity in North America.
Why now and why this scale
The economics of bitcoin mining post-halving have not recovered. Hashprice — the daily revenue per terahash — is still 30% below pre-halving levels. Meanwhile AI data center spot pricing for high-density GPU capacity is at all-time highs, with hyperscalers willing to pre-pay for capacity coming online in 2027.
Core Scientific has a specific advantage: large physical footprints already wired for high power densities, in markets (Texas, Georgia, North Dakota) with both grid availability and tax incentives for data center builds. The conversion mostly involves replacing ASIC racks with liquid-cooled GPU chassis, upgrading switching gear, and adding fiber. The company's CTO estimated the per-megawatt CapEx at $5-7 million — well below greenfield AI data center builds at $11-14 million per MW.
The CoreWeave hosting deal
The economic anchor of the pivot is a multi-year hosting agreement with CoreWeave covering 700MW of the converted capacity. Terms are confidential but Core Scientific said the contract represents "more than $4 billion in committed revenue" — enough to underwrite the financing for the remainder of the conversion. The remaining 800MW is being marketed to "hyperscalers and frontier AI labs," which industry analysts read as Anthropic, xAI, or potentially a sovereign customer like the UAE's G42.
The CoreWeave anchor itself is interesting. CoreWeave is now competing with the hyperscalers it used to lease GPUs to. Securing 700MW of pre-built capacity at the Core Scientific footprint locks in capacity ahead of demand and at lower cost than building new.
What this means for bitcoin's hashrate
Bitcoin's network hashrate has been rising despite mining margin compression — driven primarily by overseas mining expansion (Russia, Paraguay, Ethiopia) and continued ASIC efficiency improvements. Core Scientific's pivot will pull roughly 35-40 EH/s offline over 18 months. That's about 5% of current global hashrate.
The bigger concern is whether other large U.S. miners follow. If Marathon, CleanSpark, and Riot accelerate similar conversions, Bitcoin's U.S.-based hashrate share — currently 35% — could fall below 25% within two years, meaningfully concentrating the network outside the U.S. That has consequences for both Bitcoin's geopolitical narrative and for U.S. tax revenue from mining.
My Take
This is the cleanest signal yet that the bitcoin-mining-as-business model is structurally broken at the scale of public companies. Mining still works for low-cost, often-irregular power and small operators. It does not work — and probably won't work again — for capital-markets-funded gigawatt operators in U.S. jurisdictions. AI compute is what those companies actually have to sell: the assets are physical real estate near power and fiber. Core Scientific is the first to admit the strategic reality. Marathon and Riot will follow within twelve months. The interesting consequence is that Bitcoin's hashrate becomes a fundamentally less American story by 2027 — and that has political downstream effects nobody is modeling yet.
FAQ
Is Core Scientific abandoning bitcoin entirely? No. Roughly 600MW of mining stays, mostly at sites where the power contracts make AI conversion uneconomic. They're still a top-3 U.S. miner.
Who is the CoreWeave deal really for? CoreWeave needs capacity for hyperscaler customers (Microsoft, Google) and AI lab customers. The 700MW gives them flexible inventory.
Does this affect Bitcoin's price? Indirectly. Hashrate concentration risk and reduced U.S. mining narrative weaken some institutional theses. But spot price is still primarily ETF-flow driven.
The Bottom Line
Core Scientific's 1.5GW conversion is the largest crypto-to-AI infrastructure pivot ever announced, anchored by a $4B+ CoreWeave contract. It signals that public-company bitcoin mining is structurally finished — and that AI compute is now the higher-value use of every gigawatt of U.S. industrial power.