NVIDIA Open-Sources NeMo Data Designer, 25 Trillion Tokens Generated

NVIDIA released a technical report for NeMo Data Designer, an open-source framework for multimodal synthetic data generation that uses declarative configs for auditable pipelines. 25 trillion tokens have flowed through the framework, with the data boosting Nemotron scores by 6.7 points.

2026-09-18 ~ 2026-09-19 · 3 related posts

• NVIDIA open-sources NeMo Data Designer: declarative synthetic data pipeline lifts Nemotron Nano v3 from 80.2% to 86.9% — dair_ai · 2026-09-18
• NeMo Data Designer tech report: 25 trillion tokens generated via open-source synthetic data framework — code_star · 2026-09-18

1 near-duplicate retellings: NVIDIAAI