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AI Infrastructure · Top 10

The 10 Best AI Tools for Screenwriting in 2027

By Kory White · Updated Oct 2026 · 5 min read
FinalBit
Direct answer

FinalBit is the best AI tool for screenwriting: a screenplay editor with an AI Co-Pilot, coverage and Script Doctor, free to start and $40 a month on Creator. Arc Studio is #2 for its editor with AI add-ons from $69 a year, and WriterDuet is #3 for collaboration.

At a glance

#PickPriceBest for
1FinalBitBasic $0; Creator $40 a month and Pro $100 a month, billed monthly (annual billing saves 30%)Writing, AI notes and pre-production for the same script in one app
2Arc StudioFree $0; Essentials $69 a year; Pro $99 a yearWriters who want a clean screenplay editor with optional AI extras
3WriterDuetFree $0; Plus $9.99, Pro $11.99 and Premium $13.99 a month, billed monthlyCo-writing teams who want real-time collaboration and narrated table reads
4SagaFree $0; Premium $19.99 a monthIndie writers who want to plot, write and storyboard with AI in one place
5PresceneFree $0; Plus $49 a month ($490 a year); Pro $99; Max $299Writers and development teams who want coverage and answers about a script
6SquiblerFree $0; Plus $29.99 a month or $15.83 a month billed annually; Pro $89.99 a month or $49.17 a month billed annuallyGenerating a full formatted first draft from one prompt
7SudowriteHobby & Student $10 a month paid annually or $19 paid monthly; Professional $22 or $29; Max $44 or $59Writers who want AI help with prose, rewrites and brainstorming
8Greenlight CoverageBasic $75 a month, billed monthlyFast, studio-style coverage notes before you send a script out
9ScriptReader.ai$9.99 for a full screenplay analysis and poster; no subscriptionA cheap one-off read of a finished draft
10FilmustageFree $0; Director’s Cut from $49 a month, or $408 a year billed annuallyTurning a finished screenplay into a breakdown and shooting plan

Pick by what you want

Best overall
FinalBit
Best editor with AI add-ons
Arc Studio
Best for co-writing
WriterDuet
Best idea to storyboard
Saga
Best cheap script analysis
ScriptReader.ai

The ranking

1

FinalBit

FinalBit
Answrs VerdictThe most complete AI screenwriting suite.
Price: Basic $0; Creator $40 a month and Pro $100 a month, billed monthly (annual billing saves 30%)AI writing assistant: Co-Pilot: 100 one-time requests on Basic, unlimited on Creator and ProScript analysis: AI coverage report, plot hole detection and Script Doctor on Creator and ProAI models: Writers can switch between OpenAI, Anthropic, Google and xAI modelsFormerly: NolanAI (a customer review on its pricing page calls it “NolanAI aka FinalBit”)

FinalBit, formerly NolanAI, puts a full screenplay editor next to an AI Co-Pilot, coverage report, plot hole detection and Script Doctor. Basic is $0 with 100 one-time AI requests; Creator is $40 a month and Pro $100 a month, billed monthly. Writers can switch between OpenAI, Anthropic, Google and xAI models.

Go ifWriting, AI notes and pre-production for the same script in one app
Skip ifYou only want a plain screenplay editor
Why #1 over #2: Its AI writes, critiques and plans in one app, while Arc Studio’s AI extras cost credits on top of the plan.
2

Arc Studio

Arc Studio
Answrs VerdictThe best screenplay editor with AI add-ons.
Price: Free $0; Essentials $69 a year; Pro $99 a yearAI add-ons: Table Read, Character Images and Research Assistant, on Essentials and ProAI billing: AI add-on credits are bought separately, not included in the subscription priceFree trial: Every account comes with a free 7-day Pro trial

Arc Studio is a screenplay editor with a Free plan, Essentials at $69 a year and Pro at $99 a year. Its AI add-ons are Table Read, Character Images and Research Assistant, available on Essentials and Pro and paid for with separately bought credits. Every account gets a free 7-day Pro trial.

Go ifWriters who want a clean screenplay editor with optional AI extras
Skip ifYou want AI to draft scenes for you
Why #2 over #3: Its $99 yearly Pro plan is a polished editor with AI on demand, beyond WriterDuet’s narration and translation extras.
3

WriterDuet

WriterDuet
Answrs VerdictThe collaboration pick, with AI visuals and narration.
Price: Free $0; Plus $9.99, Pro $11.99 and Premium $13.99 a month, billed monthlyPremium extras: Script narration with distinct voices and script translation to many languagesGenerative AI: Leonardo.Ai’s API lets WriterDuet users make character headshots, environments and storyboard images from their screenplaysFree plan: Three projects

WriterDuet is free for three projects, then $9.99 (Plus), $11.99 (Pro) or $13.99 (Premium) a month, billed monthly. Premium adds script narration with distinct voices and script translation to many languages, and Leonardo.Ai’s API lets users make character headshots, environments and storyboard images from their screenplays.

Go ifCo-writing teams who want real-time collaboration and narrated table reads
Skip ifYou want an AI that writes pages for you
Why #3 over #4: Its real-time collaboration suits writing rooms better than Saga’s solo idea-to-video flow.
4

Saga

Saga
Answrs VerdictThe best low-cost idea-to-storyboard AI tool.
Price: Free $0; Premium $19.99 a monthPremium includes: Full Scriptwriting, AI Chatbot, AI Storyboarding + Video Generation and 40 free Saga credits a monthFree trial: 3-day free trial on PremiumStory templates: A 40-beat Feature Film template and 25-beat TV Series episodes

Saga takes you from plot and characters to script and AI storyboards. Free is $0; Premium is $19.99 a month with Full Scriptwriting, an AI Chatbot, AI Storyboarding + Video Generation and 40 free Saga credits a month, with a 3-day free trial. It offers a 40-beat Feature Film template and 25-beat TV Series episodes.

Go ifIndie writers who want to plot, write and storyboard with AI in one place
Skip ifYou need a pro production editor with revision colors
Why #4 over #5: Its $19.99 Premium plan writes and storyboards, while Prescene’s $49 Plus plan focuses on analysis.
5

Prescene

Prescene
Answrs VerdictThe AI script analyst with a free editor.
Price: Free $0; Plus $49 a month ($490 a year); Pro $99; Max $299Script limits: Plus up to 10 scripts, Pro up to 50, Max up to 200Free editor: The Screenplay Editor is free on every planPrivacy: Your scripts are never used to train AI models

Prescene reads your scripts so you can ask questions, compare drafts and run coverage. Its Screenplay Editor is free on every plan; Plus is $49 a month ($490 a year) for up to 10 scripts, Pro $99 for up to 50 and Max $299 for up to 200. It says your scripts are never used to train AI models.

Go ifWriters and development teams who want coverage and answers about a script
Skip ifYou only need coverage on one script
Why #5 over #6: It helps you improve your own draft, while Squibler writes the draft for you.
6

Squibler

Squibler
Answrs VerdictThe fastest prompt-to-full-script generator.
Price: Free $0; Plus $29.99 a month or $15.83 a month billed annually; Pro $89.99 a month or $49.17 a month billed annuallyAI credits: Free 1,000 a month; Plus 10,000 a month; Pro unlimitedScript formats: Screenplays, stage plays, podcast scripts or video scripts from a single promptFormatting: Scene headings, action lines, character names, dialogue and transitions are formatted automatically

Squibler’s AI script writer turns one prompt into screenplays, stage plays, podcast scripts or video scripts, with scene headings, action lines, character names, dialogue and transitions formatted automatically. Free gives 1,000 AI credits a month; Plus is $29.99 a month (10,000 credits) and Pro $89.99 a month (unlimited).

Go ifGenerating a full formatted first draft from one prompt
Skip ifYou want to write every line yourself
Why #6 over #7: It formats scripts as it writes, which Sudowrite does not.
7

Sudowrite

Sudowrite
Answrs VerdictThe strongest AI writing partner for story and dialogue ideas.
Price: Hobby & Student $10 a month paid annually or $19 paid monthly; Professional $22 or $29; Max $44 or $59Credits: Hobby & Student 225,000; Professional 1,000,000; Max 2,000,000 rollover credits a monthFeedback: The Feedback feature is on Professional and Max onlyFit: Professional is pitched as good for longer works, like a novel or screenplay

Sudowrite is an AI writing partner built for fiction; its Professional plan is pitched as good for longer works, like a novel or screenplay. Plans are $10, $22 or $44 a month paid annually ($19, $29 or $59 paid monthly), with 225,000 to 2,000,000 credits a month. Feedback is on Professional and Max.

Go ifWriters who want AI help with prose, rewrites and brainstorming
Skip ifYou need screenplay formatting built in
Why #7 over #8: It helps you write and rewrite, while Greenlight Coverage only judges finished pages.
8

Greenlight Coverage

Greenlight Coverage
Answrs VerdictThe best AI coverage subscription.
Price: Basic $75 a month, billed monthlyBasic includes: Coverage on up to 2 screenplays a month and 10 total follow-up questions a monthDelivery: 1 hour on BasicUsers: Trusted by 40,000+ writers, producers and development executives

Greenlight Coverage turns a screenplay into coverage notes in about 1 hour on its Basic plan, which costs $75 a month billed monthly for up to 2 screenplays a month and 10 total follow-up questions. It is trusted by 40,000+ writers, producers and development executives.

Go ifFast, studio-style coverage notes before you send a script out
Skip ifYou only need a single read
Why #8 over #9: Its subscription covers several scripts a month with follow-up questions, beyond a one-off ScriptReader.ai read.
9

ScriptReader.ai

ScriptReader.ai
Answrs VerdictThe cheapest full-script AI analysis.
Price: $9.99 for a full screenplay analysis and poster; no subscriptionReaders: 5 independent AI readers plus one synthesisTurnaround: Detailed feedback in 1–2 hoursScripts analyzed: 35,000+ screenplays analyzed since 2023

ScriptReader.ai charges $9.99 for a full screenplay analysis and poster, with no subscription. 5 independent AI readers review the draft and one synthesis pulls them together, with detailed feedback in 1–2 hours. It has analyzed 35,000+ screenplays since 2023.

Go ifA cheap one-off read of a finished draft
Skip ifYou want help writing, not judging
Why #9 over #10: It helps the writing itself, while Filmustage starts after the script is locked.
10

Filmustage

Filmustage
Answrs VerdictThe AI pre-production tool for a finished script.
Price: Free $0; Director’s Cut from $49 a month, or $408 a year billed annuallyFree plan: Partial AI breakdown (20% of scenes) and 1 active projectDirector’s Cut: 1,000 coins per billing cycle for full AI breakdown, synopsis and analysisUsers: 45,000+ filmmakers

Filmustage turns a finished screenplay into an AI breakdown, schedule and budget. Free covers a partial AI breakdown (20% of scenes) and 1 active project; Director’s Cut is from $49 a month, or $408 a year billed annually, with 1,000 coins per billing cycle. 45,000+ filmmakers use it.

Go ifTurning a finished screenplay into a breakdown and shooting plan
Skip ifYou are still writing the script

How we ranked these

We ranked tools that help you write and improve a screenplay with AI first, then AI script analysis, then AI pre-production, using each maker’s own published features and prices. Several picks on the old list (Fade In, Highland, Slugline, WriterSolo, Movie Magic Screenwriter, Trelby, Scrite and ScriptBook) had no AI features we could source on their own sites, so they were replaced with tools that do. Facts are taken from each maker's own published information; check the official site before you buy.

Questions people ask

What is the best AI tool for screenwriting?

FinalBit: it pairs a screenplay editor with an AI Co-Pilot, coverage report, plot hole detection and Script Doctor, with a free Basic plan and Creator at $40 a month.

Is there a free AI screenwriting tool?

Yes. FinalBit Basic is $0 with 100 one-time AI requests, Saga has a free plan, and Prescene’s Screenplay Editor is free on every plan.

Can AI write a whole screenplay?

Squibler’s AI script writer generates screenplays, stage plays, podcast scripts or video scripts from a single prompt, with formatting done automatically.

What is the cheapest AI script coverage?

ScriptReader.ai charges $9.99 for a full screenplay analysis and poster, with no subscription.

Monthly price of the cheapest paid plan, billed monthly, on each maker’s pricing page at a glance

WriterDuet9.99 USD
Sudowrite19 USD
Saga19.99 USD
Squibler29.99 USD
FinalBit40 USD
Prescene49 USD
Greenlight Coverage75 USD
Monthly price of the cheapest paid plan, billed monthly, on each maker’s pricing page, as published by each maker. Picks without a published figure are left off.

Official sites

Sources

Prices, specs and availability change; confirm on the official site before you buy.