Tech riderRev. 5 Oct 2026

NeMo Data Designer

Ch 076.9of 30 Synthetic Data Generation Software

1Runs onAPI, Linux, self-hosted, Web
2Costsfree trial
3Data modalitiestabular, text, code, structured JSON, images, embeddings
4Deployment optionshybrid
5API accessYes
6Output formatsCSV, JSON, JSONL, Parquet

6 lines stated Written from the maker's own pages: build.nvidia.com

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Overview

NeMo Data Designer is ranked #7 of 30 in synthetic data generation software on Specifiction. It runs on API, Linux, Self-hosted, Web. A free trial is offered.

NeMo Data Designer plans and pricing

All plans

NeMo Data Designer free trial Free API key required · up to 100 records per job build.nvidia.com · 5 Oct 2026

Compared on synthetic data generation software

Data modalities: tabular, text, code, structured JSON, images, embeddingsbuild.nvidia.com
Deployment options: hybridbuild.nvidia.com
API access: Yesbuild.nvidia.com
Output formats: CSV, JSON, JSONL, Parquetbuild.nvidia.com

Facts

Purpose: NeMo Data Designer is a compound AI system for synthetic data generation.build.nvidia.com · 5 Oct 2026
Workflow: Users configure columns and models, preview samples, then create a dataset.docs.nvidia.com · 5 Oct 2026
Generation: The framework handles batching, parallelism, validation, statistical diversity, field correlations, and reproducible workflows.docs.nvidia.com · 5 Oct 2026
Deployment: It is available as an open-source Python library and as a NeMo Microservice with REST API preview and create methods.docs.nvidia.com · 5 Oct 2026
Integrations: Documented LLM endpoints include NVIDIA API Catalog, OpenAI, Azure OpenAI, Anthropic, vLLM, TGI, TensorRT-LLM, and OpenAI-compatible servers.docs.nvidia.com · 5 Oct 2026
NeMo integrations: The microservice integrates with NeMo Inference Microservices, NeMo Customizer, and NeMo Evaluator.docs.nvidia.com · 5 Oct 2026
Security: The SECURE Jinja renderer is the default and adds a hardened sandbox, JSON-compatible context sanitization, template restrictions, and output guards.docs.nvidia.com · 5 Oct 2026
Hosting requirement: Data Designer does not host models; users must provide LLM endpoints and provision inference capacity.docs.nvidia.com · 5 Oct 2026
Hosted trial limit: The hosted product page says jobs default to 10 records and allow up to 100 records per job.build.nvidia.com · 5 Oct 2026
Output: The hosted walkthrough shows preview results available as a Pandas DataFrame.build.nvidia.com · 5 Oct 2026
Audience: The open-source library is positioned for developers with LLM access who want flexibility and customization, while the microservice is for teams using NeMo Microservices.docs.nvidia.com · 5 Oct 2026