How to Build Your Own Claude
Replace Claude with a custom build. AI research and products that put safety at the frontier
Build Difficulty: 5/5
Build a working replacement in a weekend with AI tools
Estimated Timeline
Based on 44 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Key Features to Replicate
Top features across 8 categories. See all 44 features
Integration(7 features)
Browser extension for Chrome integrating Claude functionality
Integrated Claude functionality within Microsoft Excel
Integrated Claude functionality within Microsoft PowerPoint (research preview)
Integration allowing Claude to be used within Slack workspaces
Integrate any context or tool through connectors with remote MCP support
+2 more in this category
Security(5 features)
Restrict access by IP address for enhanced security
Control access at the network level for enterprise security
Fine-grained role-based access control for enterprise users
Enterprise authentication and domain management capabilities
SCIM protocol support for identity management across domains
Compliance(4 features)
Comprehensive audit logging for compliance and monitoring
API for compliance monitoring and observability
Configure custom data retention policies for compliance
Compliance with HIPAA regulations for healthcare organizations
Administration(3 features)
Administrative oversight and controls for connector management
Centralized billing and administrative controls for organizations
Set spending limits at user and organization levels
Development(3 features)
Generate and work with code including visualization and execution capabilities
Run Python code in a sandboxed environment for data analysis
Create, edit, and execute code files in a sandboxed environment
Performance(3 features)
Process asynchronous workloads together for better efficiency with 50% cost savings
Guaranteed priority access during peak usage periods
Cache prompts to reduce redundant processing and costs
AI(2 features)
Enable extended thinking mode for handling complex problems
Access to Opus, Sonnet, and Haiku models with varying capabilities
Collaboration(2 features)
Real-time collaborative workspace for working with Claude alongside team members
Share projects and collaborate with team members
Cost Calculator
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Build It Yourself
Total Cost Comparison
DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 44 features at very easy complexity.