Top 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

Chat with millions of user-created AI personas built for roleplay, companionship, and creative conversation.

Character.AI lets users create and chat with AI-driven characters — original personas, book/movie/game characters, or open-ended roleplay companions — each with a distinct personality and memory of the conversation. Anyone can build and publish their own character with a custom persona and greeting. Voice calls, group chats, and a Discover feed of trending characters round out the experience.

• Millions of user-created characters covering roleplay, fandom, and companionship
• Character creation tools — define personality, greeting, and voice
• Voice calls and group chats with characters
• Free tier available; unlimited messaging with slower response speed at peak times
• c.ai+ removes wait times and unlocks the newest model
• Mobile apps for iOS and Android alongside the web app

AI writing companion that rewrites sentences for clarity, tone, and length.

Wordtune focuses on rewriting rather than generating from scratch — it suggests alternative phrasings for a sentence or paragraph, adjusts tone (casual/formal), and can expand or shorten text, working as a browser extension across Gmail, Docs, and most websites.

• Sentence-level rewrite suggestions in multiple styles
• Tone adjustment between casual and formal
• Expand or shorten a passage on demand
• Works inline across Gmail, Docs, and most websites

AI resume and cover letter builder with professionally designed templates.

Kickresume combines AI writing assistance with designer-made resume and cover letter templates, generating draft bullet points from a job title and letting users refine wording, then export ATS-friendly resumes.

• AI-generated resume bullet points from a job title
• Professionally designed, ATS-friendly templates
• AI cover letter generator matched to a job posting
• Built-in resume checker for common formatting issues

AI search engine that gives sourced, cited answers alongside traditional results.

You.com is an AI-powered search engine that answers questions directly with cited sources, while also supporting specialized modes for coding, research, and image generation, positioning itself as a privacy-conscious alternative to traditional search.

• Sourced, cited answers instead of just a list of links
• Specialized modes for coding, research, and images
• Access to multiple underlying AI models
• Privacy-focused search positioning

AI translation tool known for more natural, context-aware translations.

DeepL is an AI-powered translation service that focuses on producing more natural-sounding translations than typical machine translation, supporting document translation while preserving formatting, alongside a writing assistant for tone and phrasing.

• More natural, context-aware translations than typical machine translation
• Document translation that preserves original formatting
• Supports 30+ languages
• Writing assistant for tone and phrasing (DeepL Write)

AI research assistant that finds and summarizes academic papers.

Elicit helps researchers search academic literature by question rather than keyword, summarizing findings from relevant papers and extracting structured data like methods and sample sizes across many studies at once.

• Searches academic literature by research question, not just keywords
• Summarizes findings across multiple papers at once
• Extracts structured data (methods, sample size) from studies
• Helps identify gaps in existing research

Google's AI research assistant that answers questions grounded only in your own documents.

NotebookLM lets someone upload their own documents, notes, or sources, then chat with an AI that answers questions and generates summaries strictly grounded in that uploaded material, reducing the risk of made-up answers.

• Answers are grounded only in the user's own uploaded sources
• Generates summaries and study guides from source material
• Can create an AI-narrated audio discussion of the sources
• Citations link every answer back to a specific source

AI search engine that answers questions using only peer-reviewed research.

Consensus searches a database of scientific papers to answer a question with findings pulled directly from peer-reviewed studies, showing a consensus meter for how much research agrees on a given claim.

• Answers grounded only in peer-reviewed research papers
• Consensus meter showing how much research agrees
• Extracts key findings instead of just linking to papers
• Filters by study type and sample size

Enterprise AI writing platform with built-in brand voice and compliance controls.

Writer is an enterprise-focused AI writing platform that lets large organizations enforce a consistent brand voice, style guide, and compliance terminology across every piece of AI-generated content company-wide.

• Enforces a company-wide brand voice and style guide
• Compliance and terminology checks built into generation
• Enterprise-grade security and data governance
• Custom AI apps for specific internal workflows

Chat with the content of any uploaded PDF document.

ChatPDF lets someone upload a PDF and ask questions about its content in plain language, getting answers with page-number citations instead of manually searching through a long document.

• Ask questions about a PDF's content in plain language
• Answers cite the specific page they came from
• Handles long documents like textbooks and reports
• No account required for basic use