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1667

A full-screen terminal environment for writing fiction with language models. Every take stays on the tree. Your own model keys, no tracking of any kind.

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Overview

A full-screen terminal environment for writing fiction with language models. Every take stays on the tree. Your own model keys, no tracking of any kind.

AI summary

1667 is a terminal-based writing tool designed for fiction authors, allowing users to generate and manage multiple takes on paragraphs side by side in a tree structure. It emphasizes user privacy with no telemetry or cloud storage, requiring users to manage their own model keys and endpoints.

Who Is It For

Best for

Writers looking for a focused, distraction-free environment to draft fiction while utilizing language models.

Not for

Users seeking a collaborative writing platform or those who prefer a graphical user interface over a terminal-based tool.

Strengths & Weaknesses

Biggest strength

Strong emphasis on user privacy and control over writing, with no tracking or cloud dependencies.

Biggest weakness

Limited user interface options, as it operates solely in a terminal environment, which may not appeal to all writers (AI-inferred; may be outdated – founders can correct this)

Classification

Likely competitors
ScrivenerFinal DraftUlyssesHemingway Editor

Alternatives to 1667

See all alternatives to 1667

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How we sourced this: Observed fields () were crawled from https://1667.ai/ and are stated as fact. AI-inferred fields () were generated by gpt-4o-mini and are always labelled – never presented as measured fact. Last updated: 18 August 2026. Is this your tool? Claim it to edit and get a do-follow badge.