How to Prepare Data File Formats for AI Training and Multi-Modal LLMs
Last Updated: 21 May, 2025
TL;DR – The file format you pick can shave 30‑50 % off training time, cut storage costs by 1 %–5 %, and keep your multi‑modal models from tripping over mis‑aligned data. The sweet spot is a streaming‑ready, column‑oriented binary container (TFRecord, WebDataset, Arrow/Parquet) that stores pre‑tokenized text and pre‑encoded media in a single, version‑controlled shard.
Why File‑Format Matters for AI Training Fact What it means for you Binary, column‑oriented formats are 30‑50 % faster than CSV or plain text Pick a format that talks directly to your hardware (GPU/TPU) and pipeline (TensorFlow, PyTorch, Spark).