Chatbots & Writing Assistants AI Tools

AI assistant by Anthropic for writing, coding, analysis, and long documents.

Claude is Anthropic's AI assistant, known for handling long documents and codebases well and for a more careful, less sycophantic conversational style. It includes Projects for organizing related work, Artifacts for building and previewing documents/code inline, and Claude Code for terminal-based coding.

• Every plan (including Free) includes chat, Projects, and Artifacts
• Pro ($20/mo) adds Claude Code, unlimited Projects, and memory across conversations
• Max plans (5x/20x usage, $100–$200/mo) are built for heavy daily coding/writing workflows
• Team plans start at $25/seat/mo (annual) for shared workspaces and admin controls
• Runs on the Claude model family (Opus, Sonnet, Haiku) with up to a 1M-token context window on some tiers

Writing tool that flags complex sentences and passive voice, with AI rewrite help.

Hemingway Editor is a writing tool focused on clarity, simplicity, and readability, using color-coded highlighting to flag hard-to-read sentences, adverb overuse, and passive voice. Newer versions add AI-generated rewrite suggestions to help writers tighten and strengthen sentences.

• Color-coded readability highlighting
• AI-generated rewrite suggestions
• Flags passive voice and adverb overuse
• Free web-based editor

Conversational AI assistant for writing, coding, research, and general Q&A.

ChatGPT is OpenAI's conversational AI assistant, built on the GPT model family. It handles everyday chat, document analysis, image generation, voice conversations, and — on paid tiers — autonomous "Agent" and Deep Research modes that complete multi-step tasks and web research on their own.

• Free tier includes unlimited everyday text chat
• Plus ($20/mo) adds Agent mode, Deep Research, image/voice tools and custom GPTs
• Two Pro tiers ($100 and $200/mo) multiply usage limits 5x and 20x for heavy daily use
• Codex Mobile (coding assistant) is free on every plan, including Free
• Business and Enterprise plans exclude your data from model training by default

AI-powered answer engine that searches the web and cites sources.

Perplexity is a conversational search engine: instead of a page of links, it retrieves live information from the web and returns a direct, cited answer. It supports switching between underlying models (GPT, Claude, Gemini) and includes an agentic "Computer" mode on paid tiers for multi-step tasks.

• Free tier gives roughly 5 Pro Searches per day with citations
• Pro ($20/mo) unlocks unlimited Pro Search, model switching, and Deep Research
• Includes a model picker across GPT, Claude, and Gemini rather than locking you to one
• Max ($200/mo) adds the Model Council and monthly agent ("Computer") credits
• A $10/mo Education Pro tier exists for students

AI assistant integrated across Windows, Edge, and Microsoft 365.

Microsoft Copilot is Microsoft's AI assistant, built into Windows, Edge, Bing, and Microsoft 365 (Word, Excel, PowerPoint, Outlook, Teams). The consumer version is bundled with Microsoft 365 subscriptions, while the Microsoft 365 Copilot business tiers are sold as an add-on on top of an existing qualifying Microsoft 365 license.

• Copilot Chat is free for anyone with a work/school Microsoft 365 account
• Microsoft 365 Premium (~$20/mo) bundles the most Copilot access for individuals
• Business tiers ($18–$30/user/mo) require an existing Microsoft 365 Business or E3/E5 license first
• Works inside Word, Excel, PowerPoint, Outlook, and Teams, not just as a standalone chat window
• Includes web answers with clickable citations and image generation

Google's AI assistant integrated with Search, Workspace, and Android.

Gemini is Google's AI assistant, built into Search, Gmail, Docs, and Android as well as available standalone. Paid tiers are sold as "Google AI" plans that bundle Google One cloud storage alongside higher usage limits and access to Google's top-tier models and Veo video generation.

• Free tier includes Deep Research, Gemini Live, and Canvas with 15GB storage
• Google AI Plus (~$5/mo) adds Veo video generation and 400GB storage
• Google AI Pro (~$20/mo) is the direct successor to "Gemini Advanced"
• Google AI Ultra (~$100–$200/mo, pricing has shifted through 2026) adds the highest usage caps and Deep Think
• Deep integration with Gmail, Docs, Sheets, and Slides for Workspace users

AI writing partner built specifically for fiction writers and novelists.

Sudowrite is an AI writing tool designed around the fiction-writing process rather than generic copywriting. It helps novelists brainstorm plot ideas, describe scenes more vividly, rewrite passages in a different style, and push past writer's block, while keeping the writer's own voice and story in control.

• "Story Bible" tool to keep characters, plot, and worldbuilding consistent
• Scene-by-scene brainstorming and "what happens next" suggestions
• Rewrite tool to match a chosen tone or style
• Vivid description generator for sensory detail

Budget-friendly AI writing assistant for short-form marketing and business copy.

Rytr is a lightweight AI writing assistant focused on short-form content — ad copy, product descriptions, social captions, and emails — using template-based prompts for over 40 use cases. It's positioned as a cheaper alternative to heavier all-in-one copywriting suites.

• 40+ ready-made templates for common copywriting tasks
• Built-in plagiarism checker
• Tone and language customization
• Chrome extension for writing anywhere on the web

AI-powered writing assistant for grammar, tone, and clarity as you type.

Grammarly checks grammar, spelling, tone, and clarity in real time across browsers, desktop apps, and mobile keyboards, and has expanded into full AI writing assistance (rewrites, prompts) on top of its original correction engine. It's one of the most widely installed writing tools, used inline wherever you already type rather than as a separate app you switch to.

• Free tier includes core grammar/spelling checks, tone detection, and 100 AI prompts/month
• Pro (~$12/mo annual) adds full-sentence rewrites, plagiarism detection, and 2,000 AI prompts/month
• Works inline across Gmail, Google Docs, Slack, LinkedIn, and most text fields via browser extension
• Business/Enterprise tiers add centralized billing, style guides, and brand tone controls for teams
• Desktop app and mobile keyboard extend checking outside the browser

Chat platform giving one subscription unified access to GPT, Claude, Gemini, Llama and other leading AI models.

Poe (built by Quora) lets users chat with dozens of AI models — from OpenAI, Anthropic, Google, Meta, and others — inside a single app, and switch between them mid-conversation. A shared points system meters usage across models rather than billing per model, and Poe also supports building simple AI-powered bots and apps on top of those models without writing backend code.

• One subscription for unified access to GPT, Claude, Gemini, Llama, and more
• Point-based usage shared across all models on a plan
• Switch models mid-conversation to compare answers
• Tools for building custom prompt bots and simple AI apps
• Free tier with limited model access; Premium unlocks the full model roster
• Web, iOS, and Android apps