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📖 The AI Tool Bible

X-doc AI alternatives

6 writing tools in the same lane as X-doc AI, ranked by editorial score.

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TR

Transept

Writing · Multi-model (benchmarks Claude, GPT, Gemini, and open models; final routing not disclosed)

AI translation workspace with shared glossaries, styleguides, and decision-context memory

Freemium· Free: €0 · Starter: €29 · Pro: €79literary translationbook localization
GF

GPT for Sheets and Docs

Writing · Multi-model
7.0

Multi-model AI add-on that turns Google Sheets and Docs into a bulk text-processing engine.

Freemium· Starter: €3.40 EUR · Standard: €6.80 EUR · Plus: €10.55 EUR · Enterprise: Contact salesbulk-text-generationtranslation
GP

GPTLocalhost

Writing · Bring-your-own (Ollama, LM Studio, llama.cpp, Foundry Local, etc.)
6.8

Run local LLMs directly inside Microsoft Word without sending text to the cloud.

Freemium· Free: Free · Monthly: ? · Lifetime: ?private draftingoffline writing assistant
DA

DocGPT AI Writer for Docs

Writing · Multi-model (GPT, Claude, Gemini)
6.8

Google Docs sidebar add-on that drops GPT-class drafting, rewriting, and summarization straight into your document.

Freemium· Starter: €3.40 · Standard: €6.80 · Plus: €10.55 · Enterprise: Contact saleslong-form draftingrewriting
SP

Spell

Writing
6.8

AI-native document editor that drafts and rewrites in natural language, pitched as a Google Docs alternative.

Freemium· Free tier; Pro $20/mo; Team $40/user/moai-draftingdocument-editing
GF

GPT for Sheets

Writing · Multi-model (GPT, Claude, Gemini, Grok, DeepSeek, Mistral, OpenRouter)
7.1

Bulk AI prompts inside Google Sheets, Docs, Slides, Forms and Gmail with 50+ frontier models.

Freemium· Starter: €3.40 · Standard: €6.80 · Plus: €10.55 · Enterprise: Contact salesbulk-promptingspreadsheet-automation