Runway Aleph 2.0 Explained: Pricing, Limits, and How the API Works

Runway Aleph 2.0 is an instruction-based video editing model released in May 2026 that modifies existing footage rather than generating video from scratch, enabling changes to objects, lighting, scenery, camera angles, and style while aiming to preserve unaffected elements. Available through Runway’s Edit Studio and Dev API, it supports clips up to 30 seconds at 1080p and can use edited reference frames or images to guide localized changes across a video. Aleph 2.0 costs 28 credits, or $0.28, per second of output with a 56-credit minimum, is unavailable on the free tier, and requires at least Runway’s $12-per-month Standard plan; specialized removal editing is offered at a lower rate for clips up to five seconds. The source contrasts it with Atlas Cloud’s Video Edit service, which offers instruction-based editing through seven selectable models and a shared API workflow, arguing that Runway favors a simpler single-model experience while Atlas Cloud offers more flexibility for varied or difficult edits. Both approaches benefit from precise prompts that identify the target, its location, and the parts of the scene that should remain unchanged.

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