AI Google Docs add-ons

Gemini Advanced

Writing · Gemini 2.5 Pro

9.0

Google's flagship — strong at math, long context, and Workspace integration.

Google Vertex AI

Agents · Gemini 2.5 (Pro/Flash/Nano), Imagen, Veo, Chirp, plus Model Garden (Llama, Mistral, Claude via partner)

8.6

Google Cloud's unified platform for building, deploying, and scaling enterprise AI agents and models.

Glean

Agents · Model-agnostic: routes across 35+ LLMs including GPT-4o, Claude 3.5/4 Sonnet, Gemini 1.5/2, Llama 3, Mistral, plus Glean in-house models

8.5

Work AI platform that unifies enterprise knowledge, search, and agents

Writer

Writing · Palmyra (in-house)

8.2

Enterprise generative AI platform built around in-house Palmyra LLMs for regulated, brand-consistent content.

NotebookLM

RAG · Gemini 2.5

8.1

Google's source-grounded research notebook that turns your documents into chats, briefs, and AI-hosted podcasts.

PromptHub

Writing · Multi-model (OpenAI, Anthropic, Google, Meta, Mistral, Bedrock, Azure)

8.0

Git-style prompt management, testing, and deployment platform for teams running multiple LLMs in production.

ProWritingAid

Writing · Multi-model (proprietary + LLM-assisted features)

8.0

AI-powered writing coach and manuscript editor built for fiction authors and long-form writers.

Wispr Flow

Audio

8.0

System-wide voice-to-text dictation that auto-edits filler words and learns your jargon.

Deepgram

Audio · Nova, Flux, Speak (proprietary)

7.9

Production-grade speech-to-text, text-to-speech, and voice-agent APIs for real-time and batch audio.

LLM Stats

Evaluation · Multi-model

7.9

Live leaderboard and side-by-side comparison hub for 300+ frontier LLMs across reasoning, coding, and multimodal benchmarks.

Gemini

Writing · Gemini 2.x (Flash / Pro / Ultra)

7.3

Google's flagship multimodal AI assistant with deep integration into Workspace and Android.

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.

QuillBot

Writing · Undisclosed (proprietary)

7.1

AI paraphrasing and grammar suite that grew into an all-in-one writing toolkit.

Compose AI

Writing

7.0

Chrome extension that adds Gmail-style AI autocomplete to virtually any text field in the browser.

editGPT

Writing · ChatGPT (GPT-4 / GPT-3.5)

7.0

Browser extension that turns ChatGPT into a tracked-changes proofreader for your documents.

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.

TeamoRouter

Agents · Multi-model

7.0

Unified LLM gateway that brokers Claude, GPT, and Gemini through one API key with usage-based discounts.

Cogram

Agents

6.9

AI assistant for architecture, engineering, and construction teams that automates meeting minutes, RFIs, field reports, and project correspondence.

PaletteBrain

Writing · OpenAI (BYO key); Azure OpenAI supported

6.9

macOS keyboard launcher that pipes selected text in any app to ChatGPT via your own OpenAI key.

ReBillion.ai

Agents

6.9

AI transaction coordinator that extracts dates, deadlines, and compliance rules from real estate contracts.

Yomu AI

Writing · Multi-model (GPT-4o/5, Claude Sonnet/Opus, Gemini Flash)

6.9

AI writing assistant built specifically for students and academic researchers.

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.

Lex

Writing · Multi-model (GPT-4.1, Claude)

6.8

Google Docs-style writing app with an LLM sidekick wired into every sentence.

Moonbeam

Writing · GPT-4

6.8

GPT-4-powered long-form writing assistant for essays, blogs, and technical guides.

Spell

Writing

6.8

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

Wordtune

Writing · AI21 Labs (Jurassic-family) + multi-model

6.8

AI rewriting and paraphrasing assistant from AI21 Labs that polishes tone, summarizes long content, and drafts in your voice.

Magic Potion

Writing · Multi-model

6.5

Visual drag-and-drop prompt editor for crafting, organizing, and reusing prompts across OpenAI, Anthropic, and Google models.

AionUi

Agents · Model-agnostic: routes to Claude, GPT-4/5, Gemini, DeepSeek, Qwen, Kimi, plus local Ollama and LM Studio runtimes and any OpenAI-compatible endpoint.

Open-source desktop cowork app that unifies 20+ AI coding agents and CLI models in a single graphical workspace.

Composio

Agents · Model-agnostic (works with Claude, GPT-4o, Gemini, Llama, and other frontier and open-weights models via SDK integrations)

Auth, tools, and sandboxed execution for AI agents across 1,000+ apps

Dia Browser

Agents

An AI-native browser from The Browser Company that turns tabs into an agentic assistant for knowledge workers.

Exa MCP Server

MCP Servers · Exa neural search index (in-house)

Web search, code search, and company research for AI assistants over MCP

Google Drive MCP Server

MCP Servers

Read, list, and search your Google Drive from any MCP-compatible AI client.

Kagi MCP Server

MCP Servers

Official Kagi Search MCP server: search and extract the web from any MCP-compatible agent.

Onyx

RAG · LLM-agnostic — routes to OpenAI (GPT-4o/GPT-5), Anthropic Claude, Google Gemini, Azure OpenAI, AWS Bedrock, or local Ollama/vLLM models

Open-source AI chat connected to your docs, apps, and people

Propi

Writing

AI-generated client proposals with tracking and e-signature

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