AI writing tools now cover much more than generating a first draft. Businesses can use them to rewrite and polish existing text, maintain brand voice, produce marketing copy, optimize search-focused content, and improve everyday writing across documents, email, and other workflows.
The right platform depends on what your team needs help writing. Some products focus on grammar and editing, while others focus on marketing content, paraphrasing, performance-driven copy, search optimization, or lower-cost general writing. The six tools in this guide were selected to represent those different needs rather than offering several products that perform essentially the same job.
Best AI writing tools at a glance
Tool | Best for | Core writing workflow | Free access | Starting paid price |
| Grammarly | Grammar, tone, and everyday editing | Grammar and clarity suggestions, rewriting, tone adjustment, generative writing, and team style controls | Free plan with 100 AI prompts/month | $30/member/month |
| Jasper | On-brand marketing content | Brand-aware content creation with reusable brand, product, and audience context | 7-day Pro trial | $69/seat/month |
| QuillBot | Paraphrasing and rewriting | Paraphrasing, grammar correction, summarization, humanization, and writing refinement | Free plan with 125-word paraphrasing and 2 modes | $19.95/month |
| Anyword | Performance-driven marketing copy | Marketing copy generation with brand controls and performance predictions | 7-day free trial | $49/month |
| Frase | SEO and AI-search content workflows | Research, drafting, SEO and GEO optimization, publishing, and content monitoring | 7-day free trial, no credit card required | $49/month |
| Rytr | Budget AI writing | General content generation with predefined use cases, tone controls, and browser-based writing tools | Free plan with 10,000 characters/month | $9/month |
How I chose the best AI writing tools
AI writing tools are one specialized category within the broader AI software market. For this guide, I focused on products where writing or editing remains central to the experience rather than general-purpose AI assistants or platforms primarily built for other business workflows.
I compared each platform across five areas: writing and editing capabilities, fit for its intended use case, workflow and integration features, business and team readiness, and pricing and value. I also considered whether each product offered a distinct enough writing workflow to justify inclusion.
Current vendor documentation, pricing pages, help resources, and product information formed the basis of the feature and plan comparisons. I also reviewed independent evaluations from G2 and Zapier, along with verified user feedback where it added useful context on real-world strengths and limitations.
Rather than assigning every product a single overall score, I prioritized clear differences in use case, workflow, and value so readers can more easily identify which platforms belong on their shortlist.
Grammarly is designed to improve writing as people work rather than requiring them to draft inside a separate platform. It checks grammar, spelling, clarity, sentence structure, and tone across common workplace applications, while its rewriting tools help users refine everything from quick messages to longer business documents.
Grammarly fits easily into existing writing workflows because users can get suggestions without repeatedly moving text between applications. For teams, brand and style controls can also help keep communication more consistent across writers and departments. Grammarly is now part of the broader Superhuman suite, but the Grammarly product remains focused on AI-powered writing assistance.
G2’s recent evaluation identified Grammarly as a leading option for grammar correction and tone optimization. Its assessment highlighted strong scores for grammar, tone, sentence formatting, and ease of use, while user feedback also pointed to occasional frustration with intrusive suggestions and edits that can make writing feel less personal.
Standout features
- Real-time writing assistance: Identifies grammar, spelling, clarity, sentence-structure, and tone issues while users write.
- Rewriting and tone controls: Suggests full-sentence rewrites and helps adjust wording for different audiences and situations.
- Cross-app assistance: Provides writing support across browsers and commonly used workplace applications rather than limiting users to a dedicated editor.
- Team consistency tools: Brand and style controls help organizations keep written communication more consistent.
Pros and cons
Pros | Cons |
| Strong grammar, clarity, and tone assistance | Monthly billing is relatively expensive for individual users |
| Fits naturally into everyday writing workflows | Some suggestions can feel intrusive or overly aggressive |
| Useful controls for maintaining consistent writing across teams | Less specialized for end-to-end marketing or SEO content production |
Pricing
- Free: $0/month with core writing assistance, tone detection, and 100 AI prompts/month
- Pro: $30/member/month or $12/member/month billed annually with advanced rewrites, tone adjustments, brand controls, and 2,000 AI prompts/month
- Enterprise: Custom pricing with expanded security, administration, governance, and unlimited generative AI prompts
For current rates and plan details, see Grammarly's official pricing page.
Our verdict: Choose Grammarly if your main priority is improving writing that already happens across email, documents, and workplace apps. Its strength is continuous editing and refinement, making it a better fit for everyday communication than for teams that need a dedicated marketing or SEO content-production platform.
Jasper is built around marketing content rather than general writing assistance. Teams can use it to create and repurpose copy for campaigns, blogs, email, product marketing, and other channels while supplying reusable context about their brand, products, audiences, and preferred writing style. Its Canvas workspace and marketing agents also support larger workflows, rather than limiting users to a basic prompt-and-response interface.
Brand consistency is a major part of Jasper's appeal. Brand Voices, Knowledge, and Audience settings let marketers provide context once and reuse it across projects, reducing the prompting needed to maintain consistent terminology and messaging across campaigns. Teams can extend the platform with custom agents, API access, governance controls, and more advanced marketing workflows.
Zapier's hands-on assessment described Jasper as one of the more mature and feature-rich AI writing platforms it tested. Its reviewer found Jasper particularly well suited to marketing campaigns and business communications, with strong customization and quality controls, although the higher price remains a drawback compared with simpler AI writers.
Standout features
- Brand Voice: Applies established writing styles and brand guidelines to generated content.
- Knowledge and Audiences: Provides reusable context about products, company information, and target customers.
- Canvas: Gives teams a dedicated workspace to create and refine marketing content.
- Marketing agents: Handles repeatable marketing tasks and more complex workflows.
Pros and cons
Pros | Cons |
| Strong brand and audience customization | More expensive than many general AI writing tools |
| Designed specifically around marketing workflows | Can be more platform than occasional writers need |
| Useful for teams producing content across several channels | Many advanced controls require the Business tier |
Pricing
- Free trial: 7-day Pro trial
- Pro: $69/seat/month or $59/seat/month billed annually with 1 seat, Canvas, marketing agents, Brand Voices, Knowledge assets, and Audiences
- Business: Custom pricing with advanced agents, custom AI agents, expanded brand customization, API access, governance controls, and priority support
For the latest plan information, see Jasper's pricing page.
Our verdict: Choose Jasper if your marketing team produces content across several channels and needs the AI to follow established brand, audience, and product context. Its higher price makes more sense for regular marketing production than for occasional writing assistance.
QuillBot is strongest when the source text already exists. Its Paraphraser can rewrite sentences in different modes while preserving the underlying meaning, making it useful for people who need to improve fluency, vary phrasing, simplify text, or adjust how an existing passage reads. Grammar checking, summarization, humanization, translation, AI detection, and plagiarism tools broaden the platform without taking attention away from rewriting as its core strength.
The focused workflow makes QuillBot appealing to users who do not need a full marketing platform. Writers can paste in a passage, compare alternative phrasings, adjust the level of synonym replacement, and continue refining the text rather than generating an entire document from scratch. Its range of paraphrasing modes gives users more control over how heavily a passage is rewritten, which can be useful for longer or more nuanced material.
G2's assessment selected QuillBot for paraphrasing and sentence refinement. Reviewers praised its grammar and sentence-formatting capabilities and described it as particularly useful for making technically correct writing sound more natural. More complex or technical passages can still require manual review because a rewrite may change nuance or tone.
Standout features
- Paraphrasing modes: Offers different approaches for rewriting text based on tone and purpose.
- Grammar and refinement: Corrects errors while suggesting smoother sentence structures and word choices.
- Summarization: Condenses longer text into shorter summaries.
- Writing integrity tools: Includes AI detection, humanization, and plagiarism checking in the wider toolset.
Pros | Cons |
| One of the most focused tools for rewriting existing text | Free paraphrasing is limited to 125 words at a time |
| Multiple modes give users control over how text changes | Complex rewriting can occasionally alter nuance or tone |
| Useful combination of paraphrasing, grammar, and summarization | Advanced modes and several higher limits require Premium |
Pricing
- Free: $0/month with paraphrasing of up to 125 words, 2 paraphrasing modes, basic grammar correction, basic summaries, and limited AI detection
- Premium: $19.95/month or $8.33/month billed annually at $99.95/year with full paraphrasing access, advanced grammar recommendations, full AI Humanizer and AI Detector access, and plagiarism checking
- Team: Seat-based volume pricing for 2 or more users with Premium access, centralized billing, usage reporting, team style controls, and administration tools
For current pricing in your region, see QuillBot's Premium page.
Our verdict: Choose QuillBot if rewriting and improving existing text matters more than generating complete campaigns or managing a content pipeline. Its paraphrasing controls give users more direct influence over sentence-level revisions than most general AI writers.
Anyword approaches AI writing from a performance-marketing angle. It can generate copy for ads, social posts, landing pages, blogs, and other campaigns while letting users specify brand voice, audiences, talking points, and product information. The difference is that content creation is paired with performance predictions designed to help marketers compare copy before publishing it.
Its appeal is strongest for teams that care about what happens after a piece of copy is written. Anyword can score generated or manually edited messaging, connect content decisions with historical performance data, and help marketers identify stronger talking points. Higher-level workflows can use previous campaign data to inform new messaging rather than treating each prompt as an isolated task.
Zapier's hands-on assessment selected Anyword for advertising and social media. Its reviewer found the performance scores useful for comparing generated options and highlighted the platform's focus on ads and short-form marketing, though the narrower feature set can make its pricing harder to justify for users who don't need performance analytics.
Standout features
- Performance predictions: Scores marketing copy before publication to help teams compare alternatives.
- Data-driven editor: Combines copy generation with performance-oriented editing.
- Brand Voice: Keeps generated content aligned with established messaging.
- Blog Wizard and templates: Supports long-form content alongside more than 100 marketing templates and prompts.
Pros and cons
Pros | Cons |
| Distinct performance-marketing focus | More specialized than general AI writing platforms |
| Predictive scoring helps compare copy variants | Starter pricing is relatively high for solo users |
| Strong fit for advertising, social, and conversion-focused copy | The most advanced data features require higher tiers |
Pricing
- Free trial: 7-day free trial
- Starter: $49/month or $39/month billed annually with 1 seat, unlimited copy generation, 1 brand voice, performance predictions, and marketing templates
- Data-Driven: $99/month or $79/month billed annually with 3 seats and expanded real-time performance predictions
- Business: Custom pricing with custom AI models, content intelligence, campaign data, and additional team controls
- Enterprise: Custom pricing with enterprise security, SSO, private language models, custom integrations, and API access
For current rates and allowances, see Anyword's pricing page.
Our verdict: Choose Anyword if your writing workflow is closely tied to advertising, campaign performance, and conversion metrics. Its predictive tools make it more useful to performance marketers than to teams simply looking for general drafting assistance.
Frase combines writing with the research, optimization, publishing, and monitoring work that surrounds search-focused content. It can research a topic, draft content in a defined voice, score existing pages for SEO and GEO, publish to supported content management systems, and track whether pages are losing search visibility over time.
The platform is particularly appealing to content and SEO teams that want fewer handoffs between research and publication. Writers can examine what ranks for a topic, create and optimize a draft, connect it to WordPress, Webflow, Sanity, Wix, or FraseCMS, and continue monitoring the content after it goes live. AI Visibility also tracks whether a brand appears in answers from selected AI search engines.
Recent G2 feedback reinforces Frase's strength in research and optimization. Reviewers frequently mention faster topic research, outline development, SEO analysis, and content production, while recurring criticisms include occasional irrelevant AI output and an interface that can feel crowded as the feature set grows.
Standout features
- SEO and GEO research: Analyzes content opportunities and provides optimization scores.
- AI-assisted writing: Researches topics and produces drafts that can be refined inside the same platform.
- AI Visibility: Monitors visibility across supported AI answer engines.
- Publishing and monitoring: Connects to major CMS platforms and uses Content Guard to watch published pages for search decay.
Pros and cons
Pros | Cons |
| Combines research, writing, optimization, and publishing | More specialized than a general writing assistant |
| Useful for both new content and existing-page optimization | Feature density can make the interface feel busy |
| Adds GEO and AI visibility alongside traditional SEO | Higher-volume content teams need substantially more expensive plans |
Pricing
- Free trial: 7-day free trial with no credit card required
- Starter: $49/month or $39/month billed annually with 1 seat, 10 articles, and basic content auditing
- Professional: $129/month or $103/month billed annually with 3 seats, 40 articles, and expanded auditing
- Scale: $299/month or $239/month billed annually with 5 seats, 100 articles, and higher audit limits
- Enterprise: Custom pricing with expanded access, security, and support
For current limits and plan details, see Frase's pricing page.
Our verdict: Choose Frase if search performance is part of the writing workflow from the beginning. It is a better fit for teams researching, optimizing, publishing, and maintaining search-focused content than for users who only need grammar correction or quick copy generation.
Rytr provides a simpler entry point for users who want AI-assisted writing without paying for a larger marketing platform. It supports common tasks such as emails, paragraphs, calls to action, social captions, SEO metadata, and review responses through predefined use cases, while a browser extension lets users bring the writing tools into other parts of their workflow.
The platform's main appeal is affordability and a relatively low learning curve. Beyond basic generation, Rytr offers tone matching, plagiarism checking, and multilingual support for users who need more control over their output. Users who mainly need quick drafts or short-form copy may find that easier to justify than products built around brand management, analytics, or large content operations.
Zapier's hands-on comparison selected Rytr as its affordable AI writing option. The reviewer praised its free tier and inexpensive unlimited plan, while noting that the product feels more basic and gives users less control over brand context than more expensive alternatives.
Standout features
- Prebuilt writing use cases: Covers common business and marketing tasks without requiring complex prompts.
- Tone controls: Includes more than 20 predefined tones, with tone matching on paid plans.
- Browser extension: Brings Rytr into web-based writing workflows.
- Plagiarism checking: Included on paid tiers alongside unlimited AI content generation.
Pros and cons
Pros | Cons |
| Free plan and inexpensive paid options | More basic than Jasper, Anyword, or Frase |
| Straightforward interface for common writing tasks | Less control over brand knowledge and context |
| Unlimited generation on paid plans | Free plan is limited to 10,000 characters per month |
Pricing
- Free: $0/month with up to 10,000 generated characters/month
- Unlimited: $9/month or $7.50/month billed annually with unlimited generation, tone matching, and plagiarism checks
- Premium: $29/month or $24.16/month billed annually with expanded tone matching, 35+ languages, custom use cases, and priority support
For current plan details, see Rytr's pricing page.
Our verdict: Choose Rytr if price matters more than advanced brand, analytics, or content-management features. It is best suited to individuals and smaller teams that need frequent AI-assisted drafting without a large software commitment.
How to choose an AI writing tool
Start with the type of writing you need help with most. A tool built for grammar and rewriting may be enough for everyday communication, while marketing teams may need brand controls, campaign workflows, or performance insights. Search-focused teams should look for research and optimization features, and occasional users may get more value from a simpler, lower-cost platform.
Then look at how the tool fits into your existing workflow. Consider where people already write, whether the platform integrates with those apps, and how much setup or prompting it requires. Teams should also check for shared brand settings, collaboration features, and controls that help keep output consistent across multiple users.
Pricing deserves a closer look beyond the advertised monthly rate. Seat costs, usage limits, and features reserved for higher tiers can affect the real cost over time. Whichever platform you choose, keep human review in the process for accuracy, context, and voice.
Choose an AI writing tool that fits your workflow
AI writing tools now cover a wide range of needs, from editing and rewriting to branded marketing content, search optimization, and lower-cost drafting.
The best choice depends on where your team spends the most time and which features will actually support that work rather than add unnecessary complexity.
Also read: Explore our AI writing tools cheat sheet for a broader look at AI assistants and specialized tools for writing, research, and content creation.