Script & Screen Writing: what Claude and GPT would buy

Two AI models chose on their own, with no web access. Nobody tested these products: this is what each one says, and how to check it.

Claude and GPT choose the same line: Final Draft

In Software, Claude and GPT choose the same brand in 34 of 64 categories.

Claude Opus 5.5 · October 29, 2026

Final Draft (line)

It is the industry-standard screenwriting program, and its .fdx files are what productions and agencies expect to receive.

Not for: Novelists, or hobbyists who would be satisfied with a free formatter.

GPT 6.1 Sol · November 10, 2026

Final Draft 13

Automatic screenplay formatting, outlining tools, revision tracking, and broad industry adoption make it my choice for professional screenwriting.

Not for: Casual writers seeking a free tool or primarily writing novels.

Write Brothers Movie Magic Screenwriter (line)

It is a mature, industry-accepted alternative with strong formatting and production features.

Not for: Writers whose collaborators all work in Final Draft.

Industry formatting. Output must follow standard screenplay format, with Courier 12 pt at roughly one page per minute Readers reject scripts that are formatted incorrectly.
File compatibility. Must import and export .fdx and PDF .fdx is the interchange format productions use.
Production features. Needs revision colors, locked pages and scene numbering if the script goes into production These features are required once a script is being shot.
Activation limits. Check how many computers one license allows Licenses often cap the number of machines you can install on.

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