Posted July 29, 2025
Unaudited Report

STAC-AI™ LANG6 on NVIDIA GB200 Grace Hopper Superchip

NVIDIA publish unaudited STAC-AI inferencing benchmark results for GB200

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NVIDIA recently submitted unaudited results  for STAC-AI™ LANG6 (Inference-Only) on a GB200 Grace Blackwell system.

The Stack Under Test (SUT) was a Nebius 4xGB200 VM server featuring NVIDIA GB200 NVL72 Grace Hopper Superchip. The specific VM is equipped with a single node off the NVL72 system, having 4xGB200 GPUs and 2 Grace CPUs. Two separate tests were performed for the Llama-3.1-8B-Instruct and Llama-3.1-70B-Instruct models.

Note STAC has not audited these reports and NVIDIA is solely responsible for these results.

The EDGAR4a/b Data Sets mentioned involved in the benchmark model a Retrieval Augmented Generation (RAG) workload based on EDGAR securities filings, having a median initial context size of approximately 1,200 words. The EDGAR5a Data Set represents question-answering against an entire EDGAR 10-K filing with a median initial context size of 44,000 words.

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