OnBrand by SlideSpeak vs Supabase: Features, Pricing & Which Is Better (2026)
A side-by-side comparison of OnBrand by SlideSpeak and Supabase — features, pricing, and ideal use cases — to help you decide which AI tool fits your workflow.
OnBrand by SlideSpeak
SlideSpeak
Brand MCP from SlideSpeak that gives AI agents your design context to create on-brand slides directly inside Claude.
Key features
- Brand MCP Server: Expose your brand and design context to AI agents over the Model Context Protocol
- On-Brand Slide Generation: Create slides that follow company styling and themes directly in Claude
- Claude Integration: Generate presentations inside the Claude chat workflow
- Powered by SlideSpeak: Built on SlideSpeak's AI presentation generation engine
- Document-to-Slides: Underlying platform turns prompts, PDFs, Word, Excel, and websites into slides
- API Access: SlideSpeak API integrates AI presentation generation into other applications
Best for
- A team generates on-brand presentations directly in Claude without leaving the chat
- A designer enforces brand styling on AI-generated slides via the Brand MCP
- A developer connects OnBrand to an AI agent so it produces branded decks automatically
- A marketer creates consistent, on-brand slides from a document inside Claude
- An agency standardizes client deck styling by feeding brand context to AI agents
Supabase
Supabase
Postgres-first development platform providing hosted Postgres, Auth, instant APIs, Realtime, Functions, Storage and vector embeddings.
Key features
- Hosted Postgres Database: Provides a managed, dedicated PostgreSQL instance with tools and integrations designed for production web, mobile, and AI applications.
- Auto-generated APIs: Instantly exposes REST and GraphQL endpoints from the Postgres schema (PostgREST/Graphile-style auto-APIs) so developers can query and mutate data without writing backend code.
- Authentication and Authorization: Built-in user management, sign-up/sign-in flows, JWT-based auth, and role/row-level security integrations to secure database access.
- Realtime Subscriptions: Change-data-capture based realtime updates and WebSocket subscriptions to push database changes to clients for live features like chat or presence.
- Functions (Edge & Database): Support for serverless Edge Functions alongside Postgres database functions (RPC) to run custom business logic close to data.
- File Storage: Object storage for uploading, serving, and managing files/media with access controls integrated with Supabase Auth.
- Vector Embeddings Toolkit: Integration with pgvector and embedding tooling for semantic search, similarity queries, and AI-driven features.
- Client Libraries & Local Dev: Official SDKs (e.g., supabase-js), dashboard, CLI and local stack tooling (npx supabase start) for rapid development and self-hosting.