Releases from frontier labs, major companies and research institutes — grouped by model, deduplicated across HuggingFace, OpenRouter and official blogs.
Click a week to filter
Mistral AI🇫🇷Frontier
Shieldstral is a compact 3B-parameter, policy-adaptive multimodal safety classifier. Instead of predicting a fixed set of moderation categories, Shieldstral evaluates content against a safety policy expressed in natural language and returns a single continuous safety score.
Mistral AI🇫🇷Frontier
Leanstral 1.5 is an open-source code agent model designed for Lean 4, a proof assistant capable of expressing complex mathematical objects such as perfectoid spaces and software specifications like properties of Rust fragments.
Mistral AI🇫🇷Frontier
Mistral ironically calls 119B 'Small' — Apache 2.0, with instruction-following, reasoning and coding in one. Mistral positions itself as the strongest European open-weights challenger.
Mistral AI🇫🇷Frontier
Mistral Medium 3.5 is Mistral's first flagship to handle instruction-following, reasoning and coding in a unified way. 418K HF downloads, EAGLE-acceleration variant available. $1.50/$7.50 per MTok on OpenRouter.