Free trial
A 3-day free trial of the Premium plan is offered, cancellable at any time. The free plan itself requires no credit card and stays available for core writing features.
Learn moreAI screenwriting and filmmaking from logline to storyboard
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Write On Saga is a dialogue generator tool. Saga is an AI screenwriting and filmmaking workspace that carries a project from logline and beat sheet through formatted script pages, AI storyboards and short previz clips, with an AI assistant for coverage, rewrites and pitch decks.
Saga is an AI screenwriting and filmmaking platform that takes a story from a rough idea through outline, script and visual pre-production inside one workspace. The pitch is straightforward: filmmaking tools are fragmented, and Saga tries to keep plot, characters, beats, pages and shots connected so a change in one place still makes sense in another. The workflow starts on the Plot page, where a writer enters a logline, theme or character and can draw on established story archetypes and patterns for a main plot or a B-story. Characters come next: a name or role is enough to prompt suggestions for wants, needs, lies and backstory that match the tone of the project. Structuring happens on a beat sheet, with a 40-beat feature film template, a 25-beat TV episode template or a custom structure. From there the script editor offers industry-standard formatting, contextual scene generation and on-demand rewrites of individual scenes. TV Series Mode extends this to full seasons in an episodic format, with AI-generated titles and overviews and a Series Matrix that tracks arcs across episodes. The second half of the product is visual. Storyboards can be composed with generative image models, with shot notes and numbered scenes for scheduling, and short previz clips show camera and object movement. A new non-linear video and sound editing timeline, aimed at Ultra-Premium subscribers, handles trimming, transitions, color grading, music and MP4 export. An AI assistant sits across the project for script analysis, coverage reports, scene rewrites, brainstorming and even pitch deck help. The homepage states that users own the rights to the movies they make in Saga. Saga suits screenwriters, showrunners, film students and independent filmmakers who want drafting, coverage and previz in one subscription rather than assembling separate writing and image tools. It competes with dedicated screenwriting software on structure and formatting, and with standalone generative video services on visualization, while bundling both. Beginners get built-in guides and tooltips; the credit system and model choices reward users who already understand production workflows.
A 3-day free trial of the Premium plan is offered, cancellable at any time. The free plan itself requires no credit card and stays available for core writing features.
Learn moreFree plan costs $0, needs no credit card and includes core writing tools plus limited AI generation on Plot, Character and Act pages, with no AI Chat. Premium is $19.99 per month after a 3-day free trial, with unlimited text generation, 40 monthly Saga credits, advanced storyboarding and early access to newer video models. USD pricing, no refunds.
Learn moreThe site offers an FAQ page, demo videos, a course and a blog and podcast, plus a contact route for team and enterprise plans. The homepage does not describe live chat or email support.
Learn moreNo third-party integrations are described on the homepage. Generative work runs on models the platform selects, including Google Veo 3.1, OpenAI Sora 2, Imagen 4, GPT-4o, FLUX1.1[pro] and KlingAI, with new models added over time.
Plot and character development with archetypes and story patterns, a beat sheet with feature and TV templates, a formatted script editor with AI scene generation and rewrites, AI storyboarding with shot notes, short previz clips, TV Series Mode with a Series Matrix, an AI assistant for coverage and pitch decks, and an NLE video editor for Ultra-Premium users.
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