Ably has launched Ably AI Transport, a drop-in realtime delivery and session layer designed to maintain continuous AI experiences across refreshes, reconnects, and device switches. It addresses the fragility of traditional HTTP streaming for stateful AI applications, where connection drops often break user trust and require complex engineering workarounds.

The service creates durable, bi-directional sessions that aren't tied to a single tab or connection. Agents publish to session channels, and clients subscribe from any device, handling ordered delivery and recovery automatically. This shift allows developers to build multi-device copilots and long-running agents without rewriting their architecture, keeping the agent runtime separate from the delivery layer.

Key capabilities include resumable token streaming, live steering and interruptions, and presence-aware sessions to manage compute costs. It supports multi-agent coordination and seamless human takeover with full context. By abstracting the session layer, Ably aims to let teams focus on differentiation rather than rebuilding infrastructure for resilience and continuity.