{"data":{"id":"556294b4-6fac-4505-b27b-c40def3939c9","title":"Introducing Kimi K3.1 Pro","summary":"Moonshot released Kimi K3.1 Pro on its Kimi API, not yet as open weights, with full weights promised by Nov 4, 2026. Input tokens cost $2.00 and output $10.00 per million, and a Highspeed version runs 2-3x faster at twice the price. Artificial Analysis scored it 55, behind only Claude Opus 5.5 at 58.","solution":"N/A -- no mitigation discussed in source.","labels":["industry"],"sourceUrl":"https://simonwillison.net/2026/Oct/23/kimi-k31-pro/","publishedAt":"2026-10-23T19:40:54.000Z","cveId":null,"cweIds":null,"cvssScore":null,"cvssSeverity":null,"severity":"info","attackType":[],"issueType":"news","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":["Anthropic","OpenAI"],"affectedVendorsRaw":["Kimi K3.1 Pro","Kimi K3","Moonshot API","GPT-6.1 Sol","Claude Opus 5.5","GPT-6 Astra","Claude Fable 5.1","Gemini 4 Argon","LLM 0.32"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":null,"cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"epssCheckedAt":null,"kevDateAdded":null,"advisoryAliases":null,"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":null,"disclosureDate":"2026-10-23T19:40:54.000Z","capecIds":null,"crossRefCount":0,"attackSophistication":"moderate","impactType":null,"aiComponentTargeted":null,"llmSpecific":true,"classifierConfidence":0.95,"researchCategory":null,"atlasIds":null}}