AG Grid

Claude Still the benchmark for high-frequency updates — async transactions batch thousands of row changes per second without re-render storms, plus built-in cell-flash on change, viewport/server-side row models for streaming feeds, and framework wrappers for React/Angular/Vue that keep parity; the free Community tier already covers most real-time needs, so it wins for open-source and commercial users alike. Assumption: the practitioner is building a serious ops/finance-style dashboard where update throughput and feature depth matter more than bundle size.

Gemini Combines an exhaustive suite of out-of-the-box analytical features (pivoting, grouping) with highly optimized virtualization. Its async transaction API batches streaming updates to maintain UI responsiveness, making it the gold standard for high-throughput enterprise dashboards.

Grok Exceptional real-world performance with virtual scrolling and DOM virtualization handling millions of rows and thousands of real-time updates per second; comprehensive features like server-side models, live streaming data support, pivoting, grouping, integrated charting, and Excel export make it ideal for complex real-time dashboards; strong framework integration (React/Angular/Vue/JS), vast documentation/community, and proven in financial/enterprise settings; free Community edition delivers core value. Assumption: typical practitioner prioritizes scalable performance and features over minimal bundle size.