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Best realtime websocket platform

3 models · updated 2026-06-29

The verdict

Ably leads — All 3 models rank Ably the top startup.

Combined ranking

  1. 1
    Ably—14 pts
    GPT #1Claude #2Gemini #1· Most reliable managed realtime messaging with global scale.
  2. 2
    Supabase Realtime—2 pts
    GPT #5Claude #5Gemini —· Excellent Postgres-native realtime for app developers.
  3. 3
    PartyKit—1 pts
    GPT —Claude —Gemini #5· Edge-first collaboration platform for deploying stateful realtime applications.

Not ranked (incumbents): Pusher, PubNub, Cloudflare Durable Objects, Pusher Channels, Socket.io

By model

ChatGPT

  1. 1.Ably
  2. 2.Pusher Channels
  3. 3.PubNub
  4. 4.Cloudflare Durable Objects
  5. 5.Supabase Realtime

Claude

  1. 1.Pusher
  2. 2.Ably
  3. 3.PubNub
  4. 4.Cloudflare Durable Objects
  5. 5.Supabase Realtime

Gemini

  1. 1.Ably
  2. 2.Pusher
  3. 3.Socket.io
  4. 4.PubNub
  5. 5.PartyKit

Tracked by ModelsAgree · rank 1 = 5 pts … rank 5 = 1 pt · re-polled continuously