Phi-3-medium-instruct (4k) retired → Phi-4

Microsoft has retired Phi-3-medium-instruct (4k), its 4k-context language model, from Azure AI Foundry hosted deployments as part of the Phi-3/3.5 MaaS retirement in 2025, and the model was delisted from models.dev's Azure catalog on 2026-08. The retirement schedule now lists only Phi-4, with no exact retirement date published for the older model. Developers using the model are advised to migrate to Phi-4.

MF✕ Retired Phi-3-medium-instruct 4k Microsoft · phi-3-medium-4k-instruct Retired 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. Provider statement → https://raw.githubusercontent.com/MicrosoftDocs/azure-ai-docs/main/articles/ai-foundry/openai/includes/retirement/models.md phitext4k context1k max out also matches: phi-3-medium-4k-instruct microsoft/phi-3-medium-4k-instruct provider announcement → https://raw.githubusercontent.com/MicrosoftDocs/azure-ai-docs/main/articles/ai-foundry/openai/includes/retirement/models.md Does your code call Phi-3-medium-instruct 4k ? $ curl -fsSL https://llmstatus.ai/install.sh | bash Then mm status in any repo — it finds every model you use and flags the ones on a clock. No account, nothing uploaded. Get alerted before it retires → /sign-up