3 papers
cs.CL2026
Shieldstral
Antonia Calvi, Avinash Sooriyarachchi, Giada Pistilli +274
We introduce Shieldstral, a 3B-parameter policy-adaptive multimodal safety classifier that matches or outperforms models nearly 7 its size on text safety benchmarks and set…
cs.AI2026
Voxtral TTS
Mistral-AI, :, Alexander H. Liu +186
We introduce Voxtral TTS, an expressive multilingual text-to-speech model that generates natural speech from as little as 3 seconds of reference audio. Voxtral TTS adopts a hybrid…
cs.LG2025
The Optimal Approximation Factor in Density Estimation
Olivier Bousquet, Daniel Kane, Shay Moran
Consider the following problem: given two arbitrary densities and a sample-access to an unknown target density , find which of the 's is closer to in total va…