# AI model deprecations in July 2025

Updated 2026-10-31. Dates are effective deprecation dates, not announcement dates. Other versions or providers may still offer the model.

## Mistral Small — Azure AI Foundry

Deprecated: 2025-07-31

- `azure_ai/mistral-small`

## o1 Preview — Azure OpenAI

Deprecated: 2025-07-28

- `azure/eu/o1-preview`
- `azure/us/o1-preview`

## GPT-4.5 Preview — Azure OpenAI

Deprecated: 2025-07-14

- `azure/gpt-4.5-preview`