{"data":{"id":"178e9e44-fe3b-481a-a6cd-d6a9a6ad5451","title":"Introducing Mistral Small 4","summary":"Mistral released Mistral Small 4, a new 119-billion parameter model (Mixture-of-Experts, a technique where only some parts of the model activate for each task) that combines reasoning, image understanding, and coding capabilities into one system. The model supports two reasoning modes and is available through the Mistral API, though the reasoning effort setting was not yet documented in their API at the time of writing.","solution":"N/A -- no mitigation discussed in source.","labels":["industry"],"sourceUrl":"https://simonwillison.net/2026/Mar/16/mistral-small-4/#atom-everything","publishedAt":"2026-03-16T23:41:17.000Z","cveId":null,"cweIds":null,"cvssScore":null,"cvssSeverity":null,"severity":"info","attackType":[],"issueType":"news","affectedPackages":null,"affectedVendors":["Mistral"],"affectedVendorsRaw":["Mistral","Mistral Small 4","Magistral","Pixtral","Devstral","Leanstral","HuggingFace"],"classifierModel":"claude-haiku-4-5-20251001","classifierPromptVersion":"v3","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"patchAvailable":null,"disclosureDate":"2026-03-16T23:41:17.000Z","capecIds":null,"crossRefCount":0,"attackSophistication":"trivial","impactType":null,"aiComponentTargeted":"model","llmSpecific":true,"classifierConfidence":0.95,"researchCategory":null,"atlasIds":null}}