Overview

Mistral Large 4 (“Le Chonk”) is a 1.05T-parameter natively multimodal open-weight MoE model with 52B active parameters and 1.6B vision encoder. Preview API live October 2026; weights release end of October.

Specifications

  • Training: 3,800 NVIDIA Grace Blackwell GPUs in European datacenters (~10MW)
  • Context: 1M tokens
  • API pricing: 2.09/M output (preview)
  • Hugging Face: mistralai/Mistral-Large-4.0-1T05-A52B (expected Oct 27–31)

Claims (vendor-reported)

  • Cybersecurity: 82% vulnerability reproduction; closed models refuse security tasks
  • Agentic coding, finance/legal benchmarks competitive with strongest open models
  • Visual grounding surpasses some frontier closed models

Warning

All benchmark claims require independent verification. Weights not yet publicly released.

Sources