AWS AppSyncvsSupabase
How 10 AI models weigh AWS AppSync against Supabase on the 1 buying question where both came up.
- AWS AppSync
- 11%of answers named it
- Supabase
- 55%of answers named it
- Placed higher
- 3–21times AWS AppSync vs Supabase, over 24 model rankings that listed either
- Models leaning
- 0–9toward AWS AppSync vs Supabase; 1 even
Which models prefer which
Share of each model's answers that named each product, and how often its ranking put one above the other (a product listed beats one left off) · On the 1 shared question, every wording
| Model | AWS AppSync | Supabase | Placed higher | Leans |
|---|---|---|---|---|
| Claude Haiku 5.5 | 0% | 50% | 0–2 | Supabase |
| GPT-6 Luna | 0% | 58% | 0–2 | Supabase |
| Gemini 4 Argon | 17% | 100% | 0–4 | Supabase |
| Qwen 3.8 Flash | 25% | 42% | 1–1 | Even |
| DeepSeek V4 Pro | 0% | 42% | 0–1 | Supabase |
| GLM-5.3 | 25% | 58% | 1–2 | Supabase |
| Kimi K3 | 17% | 42% | 0–2 | Supabase |
| MiniMax M3 | 17% | 50% | 1–2 | Supabase |
| Mistral Large 4 | 8% | 58% | 0–3 | Supabase |
| Nemotron 3 Ultra | 0% | 45% | 0–2 | Supabase |
What the models say about AWS AppSync
One reason per model, from the shared questions
- Qwen 3.8 Flash
Scales well if you're already deep in the AWS ecosystem.
- GLM-5.3
Managed GraphQL subscriptions over WebSockets at AWS scale
What the models say about Supabase
One reason per model, from the shared questions
- Claude Haiku 5.5
Open-source Postgres-backed realtime channels, good for teams wanting self-hosting options.
- GPT-6 Luna
Open-source-friendly realtime features pair well with its Postgres-backed application stack.
- Gemini 4 Argon
Combines Postgres database changes, broadcast, and presence into one developer-friendly platform.
- Qwen 3.8 Flash
Open Firebase alternative with postgres-backed channels.
- DeepSeek V4 Pro
Postgres-native, open source, built-in auth and row-level security
- GLM-5.3
Open source Postgres-based realtime; great if already on Supabase.
- Kimi K3
Open-source, postgres-backed, generous free tier, easy presence and broadcast.
- MiniMax M3
Postgres-backed realtime subscriptions, ideal if already using Supabase.
- Mistral Large 4
Open-source alternative built on PostgreSQL with simple integration.
- Nemotron 3 Ultra
Postgres-backed, open-source, SQL filters, self-hostable option.
Tracked since October 25, 2026. Each time the panel answers these questions again, both shares are added here.
Question by question
Share of all answers that named each, every wording pooled, with its place among every product named · Both-named questions first
| Question | AWS AppSync | Supabase |
|---|---|---|
| Best realtime tools for web apps | 11% #21 | 55% #6 |
| Best databases for web apps | · | 76% #3 |
| Best authentication services for web apps | · | 25% #12 |
| Best cloud platforms for startups | · | 23% #12 |