Which brand does AI prefer? We tested both across 3 leading AI models.
In our AI blind test of Supabase vs Firebase, we tested both brands across 3 leading AI models: GPT-5 Mini, Gemini 2.5 Flash, and Claude 3.5 Haiku. Supabase scored 49% while Firebase scored 51%. Split decision: GPT-5 Mini favor Firebase, but Gemini 2.5 Flash give the edge to Supabase. The biggest gap is in trust — Firebase scores 9 vs Supabase's 7.5.
Last tested: February 23, 2026
Based on 3 AI models and 5 evaluation angles
Supabase
49%
Firebase
51%
Close contest, only 2 points apart
49%
Supabase
51%
Firebase
“Split decision: GPT-5 Mini favor Firebase, but Gemini 2.5 Flash give the edge to Supabase. The biggest gap is in trus...”
Firebase (Company B) projects significantly stronger trust and authority due to its association with Google, clear presentation of numerous recognizab…
Firebase projects stronger trust and authority overall because it is backed by Google, surfaces well-known enterprise customers, extensive integration…
I would lean towards Firebase (B) because it's backed by Google, offers a broader ecosystem of pre-built solutions and AI integration, and has a stron…
The AI Verdict
Split decision: GPT-5 Mini favor Firebase, but Gemini 2.5 Flash give the edge to Supabase. The biggest gap is in trust — Firebase scores 9 vs Supabase's 7.5.
How each website scores across key dimensions (1-10)
How each AI model independently evaluated the two websites
“Firebase projects stronger trust and authority overall because it is backed by Google, surfaces well-known enterprise customers, extensive integrations, and a long, visible track record; these are strong third‑party validation signals. Supabase shows excellent developer‑focused social proof, case studies, and modern product presentation, but it lacks the same corporate backing and scale signals that make Firebase feel more authoritative to a general audience.”
“Firebase (Company B) projects significantly stronger trust and authority due to its association with Google, clear presentation of numerous recognizable client logos (e.g., The New York Times, Duolingo, Venmo), and comprehensive product suite. Supabase also shows good social proof, but Firebase's backing by Google is a major differentiator in terms of established credibility and perceived stability.”
“No successful evaluations from this model.”
This free test used 3 models. The full GEO Audit gives you what agencies charge $500+ for, analyzing Supabase across 11 AI models and 4 dimensions:
The same analysis agencies charge $250 to $1,500 for
Want to test against another competitor?
Compare Supabase vs someone elseBrowse all AI brand comparisonsBrowse 42+ AI blind tests across SaaS, AI, E-commerce, Finance, and more.
View Full Directory