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Synthetic Data Pipelines for LLM Post-Training: Generation, Quality Filtering, Deduplication, and Contamination Auditing
As frontier model post-training expands beyond the limits of human-annotated datasets, synthetic data generation (SDG) has become the core driver of alignment. Public disclosures from major research labs confirm that synthetic data now comprises the vast majority of tokens used in supervised fine-tuning (SFT) and preference alignment. For example, NVIDIA reported that over 98% of the data used in the alignment pipeline for Nemotron-4 340B was synthetically generated. Similarly, models across the
1 minIBM Research Evaluates Agentic Memory Sizing Across 8 Models: Dosage Calibrations, Ceiling Effects, and Token Efficiency
In a technical report published on August 18, 2026, researchers at IBM Research detailed empirical evaluations on sizing and calibrating agentic memory across eight large language models. The study, conducted using the open-source ALTK-Evolve framework across the AppWorld benchmark, demonstrates that agentic memory performance is governed by capability-dependent dosage rather than uniform prompt accumulation. Agentic memory architectures typically extract procedural guidelines from prior execut
1 minGoogle Opens Gemini in Chrome to All U.S. Android Users and Extends Auto Browse to Mobile
Google expanded Gemini in Chrome to all Android users across the United States on August 18, 2026. The update introduces the browser's built-in AI assistant to mobile handsets and extends "auto browse," Google's agentic web automation feature, to smartphones for Google AI Pro and AI Ultra subscribers. The Android rollout follows the initial launch of Gemini in Chrome for desktop environments in September 2025. On mobile devices, the assistant provides on-page article summaries, contextual answe
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