Update deep-research.md

Author: sanjeev3

articles/ai-foundry/agents/how-to/tools/deep-research.md

@@ -68,8 +68,12 @@ The Deep Research model then starts the research task execution. This involves t
 The output is a structured report that documents not only the answer, but also the model's reasoning path, source citations, and any clarifications requested during the session. This makes every answer fully auditable.
 
 ## Prerequisites
-- A basic or standard agent [environment setup](../../environment-setup.md)
-- Access to the Deep Research model is gated. Fill out the [request form](https://aka.ms/OAI/deepresearchaccess) for access. If you have already have access to the o3 model no request is required.
+- Access to the deep research model, `o3-deep-research`. Fill out the [request form](https://aka.ms/OAI/deepresearchaccess) for access. If you have already have access to the o3 model no request is required.
+- An Azure subscription with the ability to create resources [Set up your environment](../../articles/ai-foundry/agents/environment-setup.md
+- [Grounding with Bing Search tool](./bing-grounding.md) resource for connecting to your AI Foundry project.
+- [Model deployments](../../../model-inference/how-to/create-model-deployments.md) for the following models
+    - `o3-deep-research` version `2025-06-26`. This model is available in `West US` and `Norway East`.
+    - Any GPT model like the `gpt-4o` for intent clarification.
 
 ## Setup