{"slug": "phi-3-medium-instruct-128k-retired-phi-4", "title": "Phi-3-medium-instruct (128k) retired → Phi-4", "summary": "Microsoft has retired Phi-3-medium-instruct (128k) on Azure AI Foundry, with the retirement schedule now listing only Phi-4 and no longer publishing an exact date. The model was also delisted from models.dev's Azure catalog in August 2026. The retirement affects azure-hosted deployments of phi-3-medium-128k-instruct, and Microsoft advises users to migrate to Phi-4.", "body_md": "MF✕ Retired\n\n# Phi-3-medium-instruct (128k)\n\nMicrosoft · phi-3-medium-128k-instruct\n\nRetired on Azure AI Foundry (azure-hosted deployment). Phi-3/3.5 MaaS retirement (2025); the schedule doc now lists Phi-4 only, exact date no longer published. Delisted from models.dev's azure catalog 2026-08.\n\n[Provider statement →](https://raw.githubusercontent.com/MicrosoftDocs/azure-ai-docs/main/articles/ai-foundry/openai/includes/retirement/models.md)phitext128k context4k max out\n\nalso matches:\n\n`phi-3-medium-128k-instruct`\n\n`microsoft/phi-3-medium-128k-instruct`\n\n[provider announcement →](https://raw.githubusercontent.com/MicrosoftDocs/azure-ai-docs/main/articles/ai-foundry/openai/includes/retirement/models.md)\n\nDoes your code call Phi-3-medium-instruct (128k)?\n\n$ curl -fsSL https://llmstatus.ai/install.sh | bash\n\nThen `mm status`\n\nin any repo — it finds every model you use and flags the ones on a clock. No account, nothing uploaded.\n\n[Get alerted before it retires →](/sign-up)", "url": "https://wpnews.pro/news/phi-3-medium-instruct-128k-retired-phi-4", "canonical_source": "https://llmstatus.ai/m/microsoft/microsoft/phi-3-medium-128k-instruct", "published_at": "2026-08-19 17:18:25+00:00", "updated_at": "2026-08-20 14:16:53.271939+00:00", "lang": "en", "topics": ["large-language-models", "ai-products", "ai-infrastructure"], "entities": ["Microsoft", "Azure AI Foundry", "Phi-3-medium-instruct (128k)", "Phi-4", "models.dev"], "alternates": {"html": "https://wpnews.pro/news/phi-3-medium-instruct-128k-retired-phi-4", "markdown": "https://wpnews.pro/news/phi-3-medium-instruct-128k-retired-phi-4.md", "text": "https://wpnews.pro/news/phi-3-medium-instruct-128k-retired-phi-4.txt", "jsonld": "https://wpnews.pro/news/phi-3-medium-instruct-128k-retired-phi-4.jsonld"}}