Juggler vs Premation: Features, Pricing & Which Is Better (2026)

A side-by-side comparison of Juggler and Premation — features, pricing, and ideal use cases — to help you decide which AI tool fits your workflow.

Juggler

Julian Storer

Free

A native desktop workbench for AI coding agents with branching conversation trees, inspectable tool calls and editable context.

Branching Conversation Trees: Fork the session at any point, recursively, so competing approaches and tangents run side by side without polluting the main context.
Miller Column Navigation: A Finder-style column layout lays out tool calls, item properties and nested sub-threads for long reading and editing sessions.
Transaction Inspector: Open any model transaction to see the assembled system prompt, messages, tool definitions, output, token use, timing and stop reason.
The Context Surgeon: Fold history into a new thread, move or copy items between branches, expand a branch back into its parent, and undo structural changes.
Local or Remote Sessions: Run the desktop app locally or the headless binary on the machine holding the code, then attach from the app, a browser or a phone.
Durable Sessions: Sessions are stored on disk as live-synced Yjs documents, so quits, relaunches and dropped connections do not lose the conversation.
Automatic Context Sizing: Juggler measures the full request before each call, reserves room for the answer and compacts older history before limits become an error.
Inspectable MCP Tools: Follow an MCP handoff end to end - schema offered, arguments generated, approval, result and errors - with server status, logs and per-tool filtering.
JavaScript Extension SDK: Context items, LLM loop strategies, slash commands, viewers and Pinboard tabs are extensions you can fork or replace, under a permissive Apache-2.0 SDK.

Exploring Competing Fixes: Branch a thread into two sub-threads to try different approaches to the same bug and compare results before committing.
Auditing Agent Behavior: Inspect exactly what the model received and returned when an agent makes a surprising edit to the codebase.
Remote Development: Run the server on a dev box or GPU machine where the repository lives and drive the same live session from a laptop or browser.
Long Refactors: Keep a multi-hour session alive across quits and reconnects, with the agent paused awaiting approval for its next step.
Provider Comparison: Drive Claude Code, Codex, Copilot, Gemini and local Ollama models through one interface to compare behavior on the same task.
Custom Tooling: Write JavaScript extensions that add slash commands, file viewers or new LLM loop strategies to the workbench.

Freemium

Professional motion design studio with WebGPU rendering, rigging, and an AI assistant that edits your timeline through natural language.

WebGPU Deterministic Rendering: Preview and final export are rendered by the same frame loop, so the approved frame is bit-identical to the shipped frame and re-renders reproduce identical output.
Graph Editor with Keyframe Assistants: Edit value and velocity curves directly, with linear/ease/hold/custom bezier easing and independent X/Y position tracks.
2.5D Cameras and Lights: Promote any layer to 3D for Z position and rotation, with one- and two-node cameras, depth of field, cone-angle lights, and shadows editable in orthographic views.
Per-Glyph Text Animators: A real selector stack animates position, scale, rotation, opacity, tracking, or colour across characters, words, or lines with range and wiggly selectors.
Rigging with Bones and Puppet Pins: Forward kinematics with FABRIK IK and linear blend skinning, plus an ARAP puppet-pin solver on triangulated meshes.
AI Assistant Through Tool Registry: Describe motion in natural language and the assistant inserts layers, sets keyframes, and staggers timing through the same commands the UI uses.
Multi-Format Export Pipeline: One deterministic loop feeds MP4 H.264, WebM VP9+alpha, MOV ProRes 4444, GIF, PNG sequences, Lottie, and image sequences, with alpha-channel support where applicable.
Nestable Compositions: Multiple compositions per project, each with its own size, frame rate, and duration, nestable as sealed pre-comps with time remapping.

Title Card Production: Compose, animate, and export ten-second title cards without round-tripping between four separate applications.
Motion Design Studios: Deliver client work with deterministic re-renders that resume identical frames after crashes and produce identical output on two machines.
Character Rigging Shorts: Rig flat artwork with bones and IK plus puppet pins to animate characters or mascots for social and product videos.
Explainer Video Production: Build multi-layer explainers with cameras, lights, per-glyph text, and deterministic particles that reproduce exactly on re-render.
Web-Delivered Animations: Export vector Lottie JSON alongside raster WebM+alpha for the same shot from one project.
AI-Assisted Motion Iteration: Prompt the assistant to stagger cards, add cameras, or animate text and undo instantly if the result isn't right.