Supabase, an open-source Firebase alternative, raises an $80M Series B led by Felicis Ventures and says 80K+ developers have made 100K+ databases on the service
Context & Ripple Effects
Supabase's $80M Series B lands just eight months after its $30M Series A in September 2021, with Felicis Ventures leading and the company citing 80K+ developers who have spun up 100K+ databases. That cadence — two large rounds inside a year — signals investors see the open-source challenge to Google's Firebase as more than a niche clone.
The usage numbers are the point of the story: Supabase is claiming real production adoption against a platform Google gives away as part of its developer ecosystem, which is why the round matters beyond the raise itself.
First-order effects
- Supabase gains $80M to scale its hosted database service and engineering team while holding an open-source position Firebase cannot copy without changing its own licensing model.
- Google's Firebase now faces a funded rival publishing adoption metrics (80K+ developers, 100K+ databases) directly aimed at the same backend-as-a-service buyers.
Second-order effects
- Competing backend providers are pushed to answer Supabase's open-source posture — portability and self-hosting become table stakes rather than differentiators in managed backend pricing conversations.
- Developers evaluating Firebase gain negotiating leverage, since switching costs drop when an open-source equivalent exists at comparable scale.
Third-order effects
- The pattern — open-source alternatives raising venture-scale rounds against proprietary developer platforms — proved durable: Supabase went on to a $100M Series E at a $5B valuation in October 2025 and then a $500M Series F at a $10B pre-money valuation, repositioned around backends for AI apps.
- If that holds, backend infrastructure consolidates around open-source standards with monetization shifting to hosted services, pressuring closed platforms to compete on integration depth rather than lock-in.
The trend: Backend-as-a-service is consolidating around open-source challengers to proprietary platforms, with Supabase's arc from a $30M Series A to a $10B pre-money valuation marking the shift.