Mistral AI Releases Public Preview of Mistral Large 4
Mistral AI has launched the public preview API for Mistral Large 4 (codenamed "le Chonk"), featuring updated benchmark performance across vision, cybersecurity, and coding tasks. The open-weight model weights are scheduled for official public release at the end of the month. This release strengthens Europe's standing in the frontier AI landscape by offering a competitive open-weight flagship model to challenge top US and Chinese alternatives. Its specialized capabilities in cybersecurity make it a key defensive model for organizations prioritizing sovereign AI. Mistral Large 4 demonstrated strong benchmark results, including 82% on CyberGym-E2E and high visual grounding capabilities. Developers can test the preview model via the Mistral Studio API ahead of the full model weight release.
## BACKGROUND
Mistral AI is a French artificial intelligence startup known for developing high-performing open-weight large language models (LLMs). Open-weight models allow developers to download and run model parameters locally or on private cloud infrastructure, offering greater privacy and customization than proprietary APIs.