Mistral Large 4 Writes a Quantum Chemistry Solver From Scratch

Key Info

Mistral states that Mistral Large 4, referred to as Le Chonk, was given a short prompt and wrote a quantum chemistry self-consistent field (SCF) solver from scratch, validated its own output, and built a 3D visualization around it.

Highlights

• The solver computes single-electron orbitals, which predict where electrons can be found.
• The visualization includes a slider: as the bond fades, orbitals split onto the two fragments and the energy climbs, showing the molecule breaking.
• Mistral says the model independently chose how to break the molecule and which orbitals to show, without further input.
• Mistral frames this as a first step toward new drugs, materials or batteries, and says the tool gets the right answers.