NBIS ▲ +2.6% - Nebius Group N.V. $NBIS Nebius achieved $NVDA NVIDIA Exemplar Cloud validation for HGX B300 AI training workloads, confirming its production infrastructure meets NVIDIA’s performance requirements and extending previous H200 and GB300 NVL72 validations. * Performance validation: NVIDIA and Nebius engineers benchmarked production infrastructure against NVIDIA’s reference architecture using standardized AI training workloads. * Industry benchmarks: Nebius reported the fastest single-node HGX B300 training times for Llama-3.1-8B and GPT-OSS 20B in the MLPerf Training 6.0 closed division. * Independent assessment: SemiAnalysis awarded Nebius Platinum status, its highest ClusterMAX 3.0 tier, after evaluating training, inference, storage and failure recovery on live B300 and GB300 NVL72 clusters. * Commercial availability: NVIDIA HGX B300 clusters are already available through Nebius AI Cloud. 09-OCT-2026 07:52 AM ET