The Vault Journal

Essays and comparisons on AI filmmaking: models, prompts, workflows, and the craft of AI-native film. From the RevaultAI founder's desk.

• Rehearsal Studio Update: Grab Anyone, Step Onto the Set
  The Rehearsal Studio now lets you drag performers and cameras directly, on the plan and in 3D, with a full-screen stage you can change from the inside. What shipped, and what hasn't.
• The 180-Degree Line, and Why AI Video Breaks It
  Why AI video breaks the 180-degree rule by default, how to state screen direction in a prompt, and how to check a scene before you spend credits on it.
• How to Get Usable Dialogue and Sound Out of AI Video
  Which AI video models generate audio, how to write dialogue that survives generation, why lip sync fails, and when to mute it and build sound in the edit.
• How to Block a Scene Before You Generate It
  How to plan AI video shots: block the scene first — positions, camera, the 180-degree line — so every shot you generate cuts together as one scene.
• Kling 4.0: What It Actually Changes for Filmmakers
  Kling 4.0 brings 30-second generations, 15 reference inputs and 10 keyframes. What each changes for filmmakers, what we don't know yet, and what to do now.
• Why Your AI Video Looks Like a Video Game (And How to Fix It)
  Why AI video looks like a video game: the model copies the style of your reference image, not just its content. How to make AI video look photorealistic.
• How to Keep the Same Location Across AI Video Shots
  Keep the same location across AI video shots: why rooms drift between generations, why longer prompts and seeds don't fix it, and how a reference image does.
• How to Turn AI Video Clips Into an Edit in Premiere Pro or DaVinci Resolve
  How to edit AI video clips together: rename takes, match frame rates, build a rough cut, then import an EDL into Premiere Pro or DaVinci Resolve.
• How to Choose the Best AI Video Model for Your Shot
  Choose the best AI video model for a shot by matching dialogue, duration, motion, difficulty and cost — not a ranking. A shot-first checklist for AI filmmakers.
• How to Break a Script Into Shots for AI Video
  How to break a script into shots for AI video: find the dramatic beats, choose coverage, plan camera movement and continuity, and match duration to your model.
• Why AI Video Generations Fail (and How to Fix Them)
  Why AI video generation fails isn't usually the model. Learn the real causes — overloaded prompts, conflicting camera direction, too many actions, and how to fix each one.
• How to Keep Characters Consistent in AI Video
  Learn how to keep characters consistent across AI-generated video shots using reference images, visual anchors, controlled prompting, shot planning, first frames and practical filmmaking workflows.
• 15 Camera Shots & Movements Every AI Filmmaker Should Know
  Learn 15 essential camera shots and movements for AI video, with cinematic prompt examples for dolly shots, tracking shots, crane shots, orbit shots, POV, handheld and more.
• How to Write AI Video Prompts: A Filmmaker's Guide to Better Generations
  Learn how to write better AI video prompts using camera direction, lighting, motion, composition, audio and cinematic storytelling. Includes examples, templates and practical prompting techniques.
• How to Make an AI Short Film in 2026: From Idea to Final Cut
  Learn how to make an AI short film from idea to final cut. A practical 2026 workflow covering scripts, shot lists, prompting, continuity, AI video generation, sound, editing and upscaling.
• Which AI Video Model Should You Use? Seedance, Veo, Kling and Wan, Shot by Shot
  A working breakdown of Seedance 2.0, Veo 3.1, Kling 3.0 and Wan 2.6 — which model to use for which shot, plus the finishing tools that actually get a film done.
• Kling 3.0 vs Runway Gen-4.5 vs Veo 3.1: Which Model Should Filmmakers Use in 2026?
  A working filmmaker's comparison of Kling 3.0, Runway Gen-4.5, and Google Veo 3.1 — motion, camera control, audio, cost, and what to use now that Sora is gone.