Research
July 2, 2026
Reaching Frontier Parity in Security Code Remediation with an On-Premise 22B Model
We fine-tune Codestral-22B on 4,811 validated vulnerability fix triples using SFT + DPO in 4-bit QLoRA. Results show parity with Claude Opus 4.8 on CyberSecEval remediation and a non-significant gap on SecurityEval.

