Shortlist · checked Oct 4, 2026
Best AI writing tools
Writing tools split into general chatbots, marketing copy generators and editing assistants. Compare what the free plan covers and whether pricing is per seat.
- Lowest listed start
- Wordtune · $6.99/mo
- With a free plan
- 6 of 9
- With API access
- 7 of 9
What to compare
- General assistant, marketing copy or editing focus
- Free plan limits
- Per-seat team pricing
- API availability
- 01
ChatGPT
OpenAI’s consumer chat app for drafting, research, coding help, and multimodal tasks in a single conversation thread. Paid tiers raise model access and usage caps; the developer API is billed separately from the web subscription.
Best for: Individuals and teams who want a general-purpose assistant in browser and mobile apps, from quick questions to longer writing and analysis workflows.
- 02
Claude
Anthropic’s assistant for chat, document and code work, research, and agent-style tasks across web and desktop. Free and paid consumer plans differ mainly in usage ceilings, model access, and collaboration features.
Best for: Knowledge workers who want long-context chat, file and code tools, and optional Claude Code or team workspaces on paid plans.
- 03
Jasper
Jasper is a marketing AI platform with Canvas content creation, brand-governed Jasper IQ, specialized agents, content pipelines, image tools, APIs, and GEO analytics to monitor brand visibility in AI answer engines. It targets enterprise marketing teams automating research, personalization, and campaign production.
Best for: Marketing organizations that need brand-safe AI agents, workflows, and measurement across channels.
- 04
Copy.ai
Copy.ai is a go-to-market AI platform built around workflows, tables, and agents for sales, marketing, and operations teams. Self-serve tiers scale by seats and monthly workflow credits.
Best for: GTM teams automating outbound and content workflows rather than one-off document generation.
- 05
Writesonic
Writesonic is an AI search growth platform that tracks brand visibility in ChatGPT, Gemini, and Google AI Overviews, then helps teams fix gaps with AI articles, site audits, and agentic workflows. It connects SEO and generative engine optimization metrics to content production.
Best for: Marketing and SEO teams monitoring AI search citations who need combined GEO tracking and content remediation.
- 06
Grammarly
Grammarly is an AI writing assistant that checks grammar, tone and clarity and offers AI rewrites, with free, paid and enterprise plans.
Best for: Professionals and students who want writing feedback inside their everyday apps.
- 07
QuillBot
QuillBot is an AI writing assistant for paraphrasing, grammar checking, summarizing and translating, with a Premium subscription for higher limits.
Best for: Students and writers who paraphrase or polish text and want fewer usage limits.
- 08
Wordtune
Wordtune is an AI writing assistant for paraphrasing, rewriting, grammar correction, summarization, and tone adjustments across emails, docs, and web apps. Plans scale from limited free rewrites to unlimited suggestions and premium support on Unlimited.
Best for: Professionals and students polishing emails, essays, and marketing copy who want contextual rewrite suggestions.
- 09
Rytr
Rytr is an AI writing assistant that generates short-form marketing and business copy from templates and use cases. It supports tone matching, plagiarism checks on paid tiers, browser extension access, and an API for integrating generation into other apps.
Best for: Copywriters, marketers, and founders who need fast drafts for emails, ads, social posts, and other short-form content
This is a shortlist, not a ranking by quality. Tools are ordered by fit for the task, and every price, free-tier and API statement comes from the vendor's own pages on the date shown. Where a figure could not be confirmed it is marked as such.
AI writing tools: common questions
What is the best free AI writing tool?
ChatGPT, Claude, Grammarly, QuillBot, Wordtune have an ongoing free plan in this list. Free plans change and often cap usage, so check the vendor before relying on one.
What is the cheapest paid option?
Wordtune has the lowest listed starting price in this list at $6.99/mo per month. Some prices are quoted for annual billing; each tool's page shows the billing basis.
Which of these have an API?
ChatGPT, Claude, Jasper, Copy.ai, Grammarly, QuillBot mention API or developer access. Check each vendor for API pricing, which is usually billed separately.