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AI Tool Comparison
Braintrust vs Supabase
A side-by-side breakdown to help you pick the right tool for your workflow.
Braintrust
Trace, score, and compare LLM outputs to catch quality regressions before they reach production. Closed an $80M Series B at ~$800M valuation in early 2026.
Developer Tools
freemium
Supabase
Get a Postgres database, auth, storage, and edge functions in one backend, with an AI Assistant and MCP integrations, so small teams ship apps without managing infrastructure.
Developer Tools
freemium
Bottom Line
Supabase edges ahead on rating (4.7 vs 4.6), but the right pick still comes down to which workflow you're running.
Choose Braintrust if…
LLM Evaluation
Choose Supabase if…
Backend Development
| Attribute | Braintrust | Supabase |
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Pricing | freemium | freemium |
| Pricing Detail | Free (1GB data) / $249/mo Pro / Enterprise custom | Free / $25/mo Pro / $599/mo Team |
| Rating |
Key Features
Braintrust
- Eval dataset management
- Custom scoring functions
- Experiment comparison
- CI/CD integration
- Prompt playground
- Production monitoring
Supabase
- Postgres database
- Built-in authentication
- File storage
- pgvector for semantic search
- Edge functions
- Real-time subscriptions
Pros
Braintrust
- •Best-in-class for systematic LLM evaluation workflows
- •Integrates into CI/CD so evals run on every change
- •Strong support for complex multi-step agent evaluation
Supabase
- •Generous free tier for prototyping and small apps
- •pgvector eliminates need for a separate vector DB
- •Open-source with strong community
Cons
Braintrust
- Overkill for simple single-prompt applications
- Takes time to set up meaningful eval datasets
Supabase
- Postgres expertise helpful for advanced use
- Free tier has project pause after inactivity