IBM Cloud lands $240M deal with Together AI for open-source inference cluster

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IBM and Together AI signed a $240 million multi-year agreement to build a large-scale AI inference cluster on IBM Cloud using Nvidia HGX B300 systems. The cluster will run open-source AI models including DeepSeek and MiniMax, targeting enterprises seeking cost-effective AI infrastructure. The deployment marks IBM's strategic bet on affordable inference over closed proprietary systems.

IBM Cloud Secures Major AI Infrastructure Deal

IBM Cloud

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and Together AI

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have signed a $240 million multi-year agreement to build a large-scale AI inference cluster on IBM Cloud using Nvidia HGX B300 systems

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. The partnership positions IBM to compete on economics rather than scale against hyperscalers like Amazon, Microsoft and Google. Together AI CEO Vipul Ved Prakash stated that enterprises want the performance of frontier models without the closed-model price tag, and this only works if the infrastructure underneath is fast and reliable at scale

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. The cluster is expected to come online in the first quarter of 2027

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Source: The Next Web

Source: The Next Web

Open-Source AI Models Drive Infrastructure Demand

The cluster will provide AI inference for open-source AI models including DeepSeek, MiniMax and Kimi

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, which have gained traction as businesses seek to rein in AI costs and address cybersecurity concerns involving models from Anthropic, OpenAI and Meta

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. Together AI operates a platform that lets companies train and run AI workloads on open weights models at lower costs than closed systems

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. The San Francisco-based company was valued at $8.3 billion in July

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and reportedly serves around 400 trillion tokens monthly

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, giving a sense of how much raw inference now flows through these systems.

Nvidia B300 GPUs Power Cost-Effective AI Infrastructure

Source: SiliconANGLE

Source: SiliconANGLE

The deployment will use Nvidia HGX B300 systems built on Nvidia Blackwell architecture, paired with Spectrum-X networking gear

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. The HGX B300 platform contains eight Blackwell Ultra chips per system and can be deployed in traditional air-cooled datacenters

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. These 14-15 kW boxes interconnect GPUs using NVLink within the box and Nvidia's Spectrum-X Ethernet fabrics between them

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. IBM stated this marks its first dedicated large-scale cluster built for inference applications using B300 systems

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. The HGX B300 is a motherboard equipped with eight Blackwell Ultra chips that can provide 15 petaflops of performance when processing data in the NVFP4 format

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Strategic Positioning Against Cloud Giants

IBM's partnership represents a strategic bet that AI's real profits lie in cheap inference rather than ever-larger training runs

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. Together AI selected IBM and Nvidia based on their product roadmaps and ability to deliver GPU capacity at the pace required for AI scaling at low token cost

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. The move lets IBM compete on economics rather than size, positioning IBM Cloud as the place to run open models affordably

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. This dovetails with a wider European appetite for infrastructure that is not locked to a single American giant and supports data sovereignty concerns

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Inference Becomes Primary Driver of Compute Capacity

Inference has become one of the largest drivers of demand for computing capacity, prompting cloud providers and chipmakers to spend billions expanding AI infrastructure

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. Together AI will use the cluster to host AI workloads for customers through five different inference services including media generation models, Provisioned Throughput charged by token, serverless infrastructure, dedicated machines and batch processing

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. The platform processes about 400 trillion tokens per month for customers

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. This partnership follows Together AI's recent $800 million Series C funding round that included Nvidia among investors

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Source: The Register

Source: The Register

Broader IBM Commitment to Open-Source Ecosystem

The deal aligns with IBM's broader push into open-source AI infrastructure through initiatives like Project Lightwell, a $5 billion commitment with Red Hat to help enterprises secure open-source software using AI tools and more than 20,000 engineers

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. That initiative centers on a trusted enterprise clearinghouse using AI to vet and verify patches across the open-source ecosystem, with pilot participants including Bank of America, Goldman Sachs and JPMorgan Chase

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. The IBM and Together AI deal is part of a broader collaboration between IBM and Nvidia spanning GPU-native data analytics, unstructured data extraction, on-premises and cloud infrastructure, and consulting services

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. For banks and hospitals, the ability to keep sensitive data on infrastructure they control through fine-tuning and sovereign AI approaches is often the whole point

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