You are an expert UK Government Procurement Consultant specializing in AI and Digital Transformation. I am preparing a bid for [PROJECT_NAME] under the [FRAMEWORK_NAME] framework. 

Your task is to develop a detailed Consortium Bid Plan based on the following context:
- Prime Contractor Role: [PRIME_ORGANIZATION_TYPE]
- Sub-contractor Requirements: [PARTNER_REQUIREMENTS]
- Key AI Capabilities Needed: [AI_CAPABILITIES]
- Budget Range: [BUDGET_ESTIMATE]

Please provide a response structured as follows:

1. CONSORTIUM ARCHITECTURE: Recommend a tiered structure (Prime-Sub or Joint Venture) and identify the specific roles for 3-5 types of partners needed to fulfill the requirement.
2. UK PUBLIC SECTOR COMPLIANCE: Outline how the consortium will meet the 'Social Value Model' (PPN 06/20) and 'Carbon Reduction Plans' (PPN 06/21) specific to this AI project.
3. TECHNICAL DELIVERY MODEL: Describe an agile methodology for AI delivery that aligns with the GDS (Government Digital Service) Service Standard.
4. RISK MITIGATION: Create a risk matrix focusing on IP ownership, data sovereignty (UK GDPR), and model bias/ethics in a multi-partner environment.
5. WIN THEMES: Draft 5 compelling 'Win Themes' that highlight the unique value of a consortium approach over a single-vendor bid.

Maintain a professional, authoritative tone suitable for a pre-bid strategy meeting.