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Methodology•Jan 2026
The Full Methodology: How We Calculate Language Learning Time
A comprehensive breakdown of every assumption, calculation, and source behind our Immersion Roadmap Calculator. FSI data, Paul Nation research, efficiency multipliers, and honest limitations—all explained.
18 minRead More
Technology•Dec 2025
Whisper Versions Compared (2026): Which One Should You Use?
A complete guide to OpenAI Whisper, faster-whisper, WhisperX, whisper.cpp, and more. Learn which variant is best for your use case.
10 minRead More
Language Learning•Dec 2025
What is Comprehensible Input and How SubSmith Helps
Discover the most effective language learning method and how to overcome its biggest barrier using your own media.
5 minRead More
Technology•Dec 2025
Whisper AI for Language Learning: A Complete Guide
Learn how OpenAI's Whisper model works and why it's perfect for generating transcripts and subtitles for language study.
7 minRead More
Language Learning•Dec 2025
The Science Behind Subtitles: Why Captions Help Everyone Learn
Over 100 studies prove that captions improve comprehension, memory, and attention — especially for language learners.
7 minRead More