PubNubvsSupabase
How 10 AI models weigh PubNub against Supabase on the 1 buying question where both came up.
- PubNub
- 84%of answers named it
- Supabase
- 55%of answers named it
- Placed higher
- 23–11times PubNub vs Supabase, over 34 model rankings that listed either
- Models leaning
- 7–2toward PubNub 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 | PubNub | Supabase | Placed higher | Leans |
|---|---|---|---|---|
| Claude Haiku 5.5 | 100% | 50% | 4–0 | PubNub |
| GPT-6 Luna | 75% | 58% | 3–0 | PubNub |
| Gemini 4 Argon | 100% | 100% | 2–2 | Even |
| Qwen 3.8 Flash | 92% | 42% | 3–1 | PubNub |
| DeepSeek V4 Pro | 67% | 42% | 2–1 | PubNub |
| GLM-5.3 | 92% | 58% | 2–1 | PubNub |
| Kimi K3 | 83% | 42% | 3–1 | PubNub |
| MiniMax M3 | 83% | 50% | 2–1 | PubNub |
| Mistral Large 4 | 75% | 58% | 1–2 | Supabase |
| Nemotron 3 Ultra | 73% | 45% | 1–2 | Supabase |
What the models say about PubNub
One reason per model, from the shared questions
- Claude Haiku 5.5
Long-established realtime platform with broad SDK coverage and presence features.
- GPT-6 Luna
Global realtime messaging platform with presence, history, and broad SDK coverage.
- Gemini 4 Argon
Extremely low-latency global network designed for high-volume messaging, IoT, and live chat.
- Qwen 3.8 Flash
Battle-tested realtime Pub/Sub API for low-latency messaging.
- DeepSeek V4 Pro
Mature realtime platform with 70+ SDKs, message persistence, and global edge delivery.
- GLM-5.3
Global realtime network with chat and presence APIs baked in
- Kimi K3
Proven realtime infrastructure, low latency, generous chat APIs
- MiniMax M3
Real-time network with chat SDK and presence
- Mistral Large 4
Enterprise-grade messaging with presence, storage, and 99.999% SLA.
- Nemotron 3 Ultra
Global edge network for low-latency messaging
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 | PubNub | Supabase |
|---|---|---|
| Best realtime tools for web apps | 84% #3 | 55% #6 |
| Best databases for web apps | · | 76% #3 |
| Best authentication services for web apps | · | 25% #12 |
| Best cloud platforms for startups | · | 23% #12 |