PubNubvsSupabase Realtime
How 10 AI models weigh PubNub against Supabase Realtime on the 1 buying question where both came up.
- PubNub
- 84%of answers named it
- Supabase Realtime
- 16%of answers named it
- Placed higher
- 31–3times PubNub vs Supabase Realtime, over 34 model rankings that listed either
- Models leaning
- 10–0toward PubNub vs Supabase Realtime
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 Realtime | Placed higher | Leans |
|---|---|---|---|---|
| Claude Haiku 5.5 | 100% | 8% | 4–0 | PubNub |
| GPT-6 Luna | 75% | 17% | 3–0 | PubNub |
| Gemini 4 Argon | 100% | 0% | 4–0 | PubNub |
| Qwen 3.8 Flash | 92% | 8% | 4–0 | PubNub |
| DeepSeek V4 Pro | 67% | 25% | 2–1 | PubNub |
| GLM-5.3 | 92% | 17% | 3–0 | PubNub |
| Kimi K3 | 83% | 25% | 4–0 | PubNub |
| MiniMax M3 | 83% | 25% | 2–1 | PubNub |
| Mistral Large 4 | 75% | 8% | 3–0 | PubNub |
| Nemotron 3 Ultra | 73% | 27% | 2–1 | PubNub |
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 Realtime
One reason per model, from the shared questions
- DeepSeek V4 Pro
Postgres-native realtime with row-level security, broadcasting, and presence, open-source first.
- GLM-5.3
Postgres-powered realtime broadcasts and presence, great for startups
- Kimi K3
Open-source Postgres-based realtime, transparent and flexible
- MiniMax M3
Open-source Postgres-backed realtime channels
- Mistral Large 4
Open-source, Postgres-backed, SQL-native, no vendor lock-in.
- Nemotron 3 Ultra
Postgres changes streamed via WebSockets
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 Realtime |
|---|---|---|
| Best realtime tools for web apps | 84% #3 | 16% #16 |