CoreWeave

MLPerf, the AI industry's standard speed test, adds its first test of AI agents as a record 30 organisations take part

22 September 2026 · 5 min

MLCommons published MLPerf Inference v6.1 with a record 30 submitting organisations and, for the first time, a test of AI agents doing multi-step work such as coding.

OpenAI, CoreWeave, and building-trade unions form a coalition to set ground rules for data-center construction

28 September 2026 · Band Money · Confirmed

A new coalition of labor unions and data-center companies, including OpenAI, CoreWeave, SoftBank, and Blackstone, launched what it calls the first nationwide partnership between construction unions and the data-center industry. The group says it wants to set shared standards for building data centers responsibly; an IBEW union leader warned that blanket bans on data centers would cost construction jobs. The announcement names no dollar figure or specific commitment, so for now this is a statement of intent between labor and industry, not a concrete rule change; whether it changes anything for communities near data centers depends on standards the group has not yet published.

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OpenAI · CoreWeave

A research firm's test of 77 AI clouds puts Nebius beside CoreWeave at the top, and moves Microsoft Azure to Silver

23 September 2026 · L3 Iron and cloud · 77 providers tested; 19 earned a Medallion rating; 15 in a new lower tier · Confirmed

SemiAnalysis, a research firm, has published the third edition of its ClusterMAX ratings of companies that rent out AI computing, covering 77 providers. It puts Nebius alongside CoreWeave in its top tier, Platinum, and adds Google Cloud to Gold beside Oracle. Microsoft Azure moves to Silver and Crusoe drops to Bronze. SemiAnalysis says it raised its bar this round, so only 19 providers earned what it calls a Medallion rating, and it created a new Participation Ribbon tier below Bronze for 15 providers it says "do the bare minimum to get by." The ratings are the firm's own judgement, built from its tests of reliability, performance, support, pricing and security, and from interviews with more than 200 users.

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CoreWeave · Nebius · Microsoft Azure · Crusoe

CoreWeave's 15-year lease at Niagara Falls is signed, and its landlord Blockfusion puts it at about $2.8 billion

25 September 2026 · L3 Iron and cloud · ~$2.8bn over initial terms at 85MW, ~$5.4bn with renewals; CoreWeave $50m + $30m · Confirmed

Blockfusion, a data-centre developer going public by merging with Blue Acquisition Corp, says in an investor presentation filed on 25 September that its 15-year anchor lease with CoreWeave at its Niagara Falls, New York campus is now executed. The site is powered by hydro, nuclear and renewable energy. The lease covers 35 megawatts, and an expansion agreement takes it to 85 megawatts if Blockfusion secures more power and CoreWeave approves the plan. On 85 megawatts, Blockfusion expects about $2.8 billion of revenue over the initial terms, or about $5.4 billion if CoreWeave uses all its renewal options. CoreWeave has committed $50 million to Blockfusion and put in $30 million more through a warrant over its shares, most of which paid down Blockfusion's debt.

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CoreWeave

The industry-standard AI speed test adds its first test of AI agents, and a record 30 organisations take part

16 September 2026 · L3 Iron and cloud · 30 orgs (record); DeepSeek R1 best per chip 5.7x in a year · Confirmed

MLCommons published results for MLPerf Inference v6.1 on 16 September, its industry-standard, peer-reviewed benchmark of how fast AI systems run, with a record 30 organisations submitting, including Nvidia, Microsoft Azure, Oracle, CoreWeave, Nebius and Lambda. For the first time it includes a test of AI agents: the Edge Agentic Inference test, which measures multi-turn work such as agentic coding, where each step depends on the ones before. MLCommons says the best per-chip result on its visual-language test improved 2.99 times in six months, and on the DeepSeek R1 reasoning test 5.7 times in a year. For people using AI tools, MLCommons says gains like these could let the same systems serve more users.

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Read the story: MLPerf, the AI industry's standard speed test, adds its first test of AI agents as a record 30 organisations take part · Nvidia · Lambda · Oracle · Microsoft Azure · CoreWeave · Nebius

CoreWeave prices $3.7 billion of convertible debt, upsized from $3 billion

18 September 2026 · Band Money · $3.7bn of 2.875% notes due April 2033; $498.8m of proceeds buys a dilution hedge · Confirmed

CoreWeave, which rents out AI computing capacity, priced 3.7 billion dollars of convertible senior notes on 18 September at 2.875 percent, maturing on 1 April 2033. The offering was upsized from a planned 3 billion, and the initial purchasers hold an option for a further 500 million. Net proceeds are put at about 3,644.5 million dollars, or about 4,137.0 million if that option is taken. Of that, about 498.8 million goes to capped call transactions, which is a hedge the company buys to limit how much its existing shares get diluted if the notes convert. So roughly one dollar in eight of this raise buys protection for existing shareholders rather than anything that computes. The rest is for general corporate purposes. How readily this debt sells, and at what rate, is one of the clearest signals of how confident lenders are that AI computing demand keeps paying the bills.

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CoreWeave