Best AI Writing Tools for Blog Posts in 2026

Last reviewed 29 August 2026Data verified 29 August 2026Four picks, one role each

The short answer

For most blog publishing, Jasper is the strongest AI writing tool because it holds one brand voice across a whole content series. Copy.ai gives five seats for $29/month, Rytr is the only genuinely usable free option, and Frase is the pick when the post has to rank.

We compared these four against the vendor pricing pages and published documentation on 29 August 2026. We did not run a hands-on test of every tool, and we do not claim to have. What follows is a comparison of published capability, published limits and published prices.

Why the order is not the score order

Copy.ai scores 7.9 and Jasper scores 7.7, which is close. Jasper takes Best Overall anyway, because the question that slot answers is "what should most people use", and holding a brand voice across twenty posts matters more there than saving forty dollars a month.

The reverse is also true. Sudowrite scores 7.7, higher than two of our picks, and it is not in the four. Its strengths are built for fiction, and none of them transfer to a post that has to rank in search. A score is a property of the product, not a queue position.

The one thing that decides this category

Structure across length.

Every tool here writes a competent paragraph. The gap opens somewhere around the thousand-word mark, where a draft either keeps its argument or turns into four disconnected sections that repeat each other. That is why capability carries the heaviest weight in the criteria set, and it is the single thing worth testing during a trial.

The four picks

Best Overall

Jasper

7.7/10

Holds one brand voice across a whole content series, which is what publishing weekly actually requires.

From $69/mo

Visit JasperRead the full Jasper review

Best Value

Copy.ai

7.9/10

Five seats and unlimited chat words for $29 a month, where the others charge that much for one person.

From $29/mo

Visit Copy.aiRead the full Copy.ai review

Best Free

Rytr

7.3/10

10,000 characters a month free with no card, and the same tones and use cases as the paid tiers.

From $7.50/mo

Visit RytrRead the full Rytr review

Best for SEO-driven posts

Frase

7.6/10

Builds the outline from the pages currently ranking, then scores your draft against them.

From $49/mo

Visit FraseRead the full Frase review

Side by side

Side by side comparison of the four picks
	Jasper	Copy.ai	Rytr	Frase
Score	7.7	7.9	7.3	7.6
Starting price	$69/mo	$29/mo	$7.50/mo	$49/mo
Free tier	No	No	Yes	No
Platforms	Web, Chrome extension	Web	Web, Chrome extension	Web
API access
Team features
Support channels	Email, Chat, Knowledge base	Email, Knowledge base	Email, Knowledge base	Email, Chat, Knowledge base
Mobile app

How we picked

What we scored, and how heavily

Criteria set: Software and apps. The same set applies to every product of this type across the site, so a score means the same thing wherever you find it.

30%Capability. What the tool actually does versus what it promises.
20%Usability. How fast you can get real work done in it.
20%Value. What you get for the money against the alternatives.
10%Integrations. Fit with the rest of your stack, and API access.
10%Support. Documentation, response times, available channels.
10%Trust. Company stability, security, pricing transparency, data handling.

Re-weighted for this category

Capability: Unchanged. Long-form structure is still the thing that separates these tools.

Read the full rating methodology

The picks in detail

1. Best Overall

Jasper

A multi-agent marketing platform now, with brand voice still the reason to pay.

7.7/10

BRecommended with a reservation

The strongest brand-voice control in this category, with two reservations worth more than the price: the self-serve terms let Jasper train on what you write, and no plan tells you how much you are allowed to generate.

What works

Brand voice profiles are built from up to eight samples and apply across a whole content series
Agents cover named marketing workflows rather than one document at a time
Per-seat pricing is public, with annual billing about 20 percent cheaper
Eighteen integrations are named publicly, including Word, Google Docs, Slack and Webflow

What does not

At $69 per seat per month it costs roughly nine times the cheapest tool here
The self-serve terms let Jasper develop its models on your inputs and outputs, and the only opt-out is an email
No word, generation or credit allowance is published for Pro, and the fair use policy can throttle against limits it never states
API access, Grid and unlimited brand voices are Business only, on a quote and a 12-month commitment

Best for

Marketing teams publishing several posts a week under one brand voice
Agencies running content for multiple clients from one workspace

Not for

Solo writers publishing a post or two a month
Anyone who needs a free tier to evaluate before paying

What it costs

From $69 per month · 7-day trial

Jasper pricing tiers
Plan	Monthly	Annual, per month	What you get
ProIncludes 1 seat	$69	$59	Canvas, agents for core marketing workflows, browser extension · 2 brand voices, 5 knowledge assets and 3 audiences · History and backups kept 7 days · 7-day trial that requires a card and converts automatically · No API access, and no published word, generation or credit allowance
BusinessQuote only, 12-month minimum commitment	Not published		Unlimited brand voices, knowledge assets and audiences · API and MCP access, Jasper Grid, no-code custom agents · SSO, SAML, SCIM, admin controls and team usage analytics · A base credit allowance whose size is not published

Priced per seat, with annual billing about 20 percent cheaper. Business is quote only and starts at a 12-month commitment. Jasper publishes no word, generation or credit allowance for Pro anywhere: the Fair Use Policy reserves the right to throttle against parameters it does not state, and the credit rate card referenced in the help centre is not published. The pricing page sells Pro with 2 brand voices, 5 knowledge assets and 3 audiences, while the Jasper IQ help article says IQ is available on Business plans, so the vendor contradicts itself on what Pro includes.

Score breakdown for jasper, criteria set Software and apps
Criterion	Weight	Score
Capability Brand voice profiles and campaign workflows hold tone across a whole content series, not just one draft.	30%	8.8
Usability Templates and the campaign view get a first blog draft out without reading documentation.	20%	8.5
Value At $69 per seat per month it is the most expensive tool in this comparison by a wide margin.	20%	6.5
Integrations Eighteen named integrations including Word, Google Docs and Sheets, Slack, Webflow and Zapier, plus a Chrome and Edge extension, but the API and MCP server are Business only and Surfer SEO needs its own separate subscription.	10%	7.0
Support Email and chat support on the Pro tier, with a maintained knowledge base.	10%	8.0
Trust Per-seat pricing is public and the company is named, but the self-serve terms let Jasper use your inputs and outputs to develop its models while the enterprise page says data is never used for training, the only opt-out is an email and is asserted for EU and UK users only, and no usage allowance is published on any tier.	10%	5.5
Weighted total	100%	7.7

Visit JasperFull Jasper review

2. Best Value

Copy.ai

Five seats and unlimited chat words for $29 a month, with a choice of underlying models.

7.9/10

ARecommended

The best price per seat in the category, and the only tool here where a five-person team costs the same as one person.

What works

Five seats included at $29 per month, where competitors charge per seat
Switch between OpenAI, Anthropic and Gemini models inside one subscription
Unlimited words in chat rather than a monthly word or credit cap
Annual billing drops the price to $24 per month

What does not

API access is reserved for the enterprise tier
The next plan above $29 is $1,000 per month billed annually, so growing teams hit a cliff
The entry plan carries no workflow credits, so workflows, agents and tables are not part of what you buy
The product is being folded into Fullcast, a revenue operations platform, after the October 2025 acquisition

Best for

Small teams that want several people writing without paying per seat
Writers who want to compare model outputs before committing to a draft

Not for

Teams that need API access without an enterprise contract
Anyone who needs a permanently free tier

What it costs

From $29 per month

Copy.ai pricing tiers
Plan	Monthly	Annual, per month	What you get
Chat5 seats	$29	$24	Unlimited words in chat · Unlimited chat projects · OpenAI, Anthropic and Gemini models
Growth75 seats	Not published	$1000	20K workflow credits per month · Unlimited words in chat · Annual billing only
Expansion150 seats	Not published	$2000	45K workflow credits per month · Annual billing only
Scale200 seats	Not published	$3000	75K workflow credits per month · Annual billing only
EnterpriseQuote only	Not published		API access and bulk workflow runs · Unlimited customisable workflows and 20 or more integrations · Designated account and support team

The $29 Chat plan is the only self-serve tier and the only one billed monthly. It carries seats, chat and model choice but no workflow credits. Workflow credits start on Growth at $1,000 per month billed annually, then $2,000 for Expansion and $3,000 for Scale, so there is nothing between a small team and a five figure annual contract. Copy.ai was acquired by Fullcast on 15 October 2025 and the product is being folded into that platform as Fullcast Propel.

Score breakdown for copy-ai, criteria set Software and apps
Criterion	Weight	Score
Capability Model choice across OpenAI, Anthropic and Gemini covers drafting, rewriting and research in one place, though the workflows and agents the platform now leads with are not part of the entry plan.	30%	8.0
Usability Chat-first interface, so there is no template taxonomy to learn before the first draft.	20%	8.2
Value Five seats and unlimited chat words for $29 a month, or $24 billed annually, is the best per-seat price of any paid tool here.	20%	8.5
Integrations Workflow steps connect to common marketing tools, but API access sits on the enterprise tier.	10%	7.5
Support Email and documentation only on the self-serve plan, with no published response target.	10%	7.0
Trust Every tier is priced in public, which is rare here, but Copy.ai was acquired by Fullcast in October 2025 and the product is being folded into a revenue operations platform, so the roadmap now answers to a different buyer.	10%	7.5
Weighted total	100%	7.9

Visit Copy.aiFull Copy.ai review

3. Best Free

Rytr

A genuine free tier of 10,000 characters a month, and $7.50 a month for unlimited output.

7.3/10

BRecommended with a reservation

The best free tier in the category, with the reservation that long-form structure falls apart past about 1,000 words.

What works

A free plan of 10,000 characters a month with no credit card required
Unlimited generations for $7.50 a month, the cheapest paid entry here
40+ use cases and 20+ tones available on the free plan, not gated
Plagiarism checks included from the paid tiers up

What does not

Loses structure on posts beyond roughly 1,000 words and needs manual stitching
The help centre contradicts the pricing page on what the Unlimited plan includes
Extra team seats are $19 a month each, more than double the price of the first seat
No native integrations with publishing tools beyond the browser extension, and the API is billed separately

Best for

Writers who want to test AI drafting before spending anything
Solo bloggers publishing a few short posts a month

Not for

Teams that expect the per-seat price to fall as they add people
Anyone drafting long-form pillar content in one pass

What it costs

From $7.50 per month · free tier available

Rytr pricing tiers
Plan	Monthly	What you get
Free	$0	10,000 characters per month · 40+ use cases · 20+ tones · Chrome extension · No credit card required
Unlimited	$7.50	Unlimited generations · 1 custom tone of voice · 50 plagiarism checks per month
Premium	$24.16	5 custom tones · Increased character input limits · 40+ languages · 100 plagiarism checks per month
Additional team seatPer extra member on Unlimited	$19	$190 per year per seat · Invited by email from the account owner

The free plan is capped in characters, not in features, so you can evaluate the real output quality before paying. Extra team members are $19 per month each on Unlimited, which is more than double the price of the first seat. The help centre pages that state that price also quote a retired Saver plan and describe the Unlimited plan as carrying five custom tones, where the pricing page gives it one, so treat the pricing page as current and the documentation as lagging.

Score breakdown for rytr, criteria set Software and apps
Criterion	Weight	Score
Capability Strong at short-form blocks and rewrites, weakest here at holding structure across a full long-form post.	30%	6.0
Usability Use-case picker plus tone selector means a usable paragraph in under a minute with no setup.	20%	8.5
Value Unlimited generations for $7.50 a month is roughly a ninth of the price of the most expensive tool in this comparison.	20%	9.5
Integrations A Chrome extension on every tier and an API that is sold separately on its own credit meter, but no native connections to publishing or project tools.	10%	5.5
Support Email and documentation, with no live channel on any tier.	10%	6.5
Trust Public pricing and a free tier that needs no card, though the company publishes little about its team or data handling and its help centre still describes plans and allowances that the pricing page contradicts.	10%	7.0
Weighted total	100%	7.3

Visit RytrFull Rytr review

4. Best for SEO-driven posts

Frase

Builds the brief from live SERP data, then tracks whether AI engines cite the result.

7.6/10

BRecommended with a reservation

The best research-to-draft loop for search-led blogging, with the reservation that the 10-article cap on the entry plan is tight.

What works

Builds the outline from the pages currently ranking, not from the model memory
Content scoring shows what a draft is missing against the live SERP
Every tier has the full feature set, with volume as the only difference
Extra seats are a published $29 per month rather than a sales conversation

What does not

The Starter plan caps you at 10 articles a month and has no overage option, so 11 means upgrading
At $49 a month it costs more than a general writing tool that has no SEO layer
Custom API access sits on Enterprise, while the homepage advertises API and CLI more broadly
The AI engines you can track depend on the tier, with Claude and Gemini reserved for Scale

Best for

Bloggers who write for search and want the brief built from real SERP data
Small content teams that need a shared content score to argue about

Not for

Writers publishing more than 10 posts a month on the cheapest tier
Anyone who does not care about search rankings

What it costs

From $49 per month · 7-day trial

Frase pricing tiers
Plan	Monthly	Annual, per month	What you get
Starter1 seat	$49	$39	1 site · 10 articles per month · 50 audit pages per month
Professional3 seats	$129	$103	5 sites · 40 articles per month · 250 audit pages per month · Perplexity added to AI Visibility · Pay as you go overages · Extra seats $29 per month
Scale5 seats	$299	$239	Up to 10 domains · 100 articles per month · 1,000 audit pages per month · Claude and Gemini added to AI Visibility · Client ready exportable reports
EnterpriseCustom	Not published		White label reports and a branded client portal · SSO and SAML, dedicated account manager, SLA · Custom API access and two years of history

Plans differ by volume, seats and how many AI engines are tracked rather than by core feature, so the cheapest tier is not a crippled version. Overages are pay as you go on Professional at $5 per extra article and on Scale at $4, which means Starter is the one tier that simply stops at its limit. FraseCMS hosting is included with a free tier and sold as a $19 or $99 add-on above it.

Score breakdown for frase, criteria set Software and apps
Criterion	Weight	Score
Capability Pulls the current top ranking pages and builds the brief from them, then scores the draft, publishes it and monitors whether ChatGPT, Google AI and the other engines cite it.	30%	8.5
Usability The research-first flow does real work before you write, and it puts more steps between you and the first draft than a chat interface does.	20%	7.5
Value At $49 a month, or $39 billed annually, with a 10-article cap, the per-article cost is high for low-volume publishing.	20%	7.0
Integrations Publishes straight into WordPress, Webflow, Sanity, Wix or its own FraseCMS, though the pricing page reserves custom API access for Enterprise while the homepage advertises API and CLI access.	10%	6.5
Support Email and chat plus documentation, and a 7-day trial that needs no credit card.	10%	7.5
Trust Every tier price, seat count, volume cap and overage rate is published, including the cost of extra seats, which is rare in this category.	10%	7.5
Weighted total	100%	7.6

Visit FraseFull Frase review

Also considered

These are good products that lost on a specific point. A higher score than one of our picks does not automatically win a slot, because each slot answers a different question.

Writesonic6.9/10
Repositioned as an AI search visibility platform. At $79 a month for 15 articles it is the highest per-article cost here, and most of that price buys tracking rather than writing.
Sudowrite7.7/10
Scores 7.7, above two of our picks, but its story tools are built for fiction. For a blog that has to rank, the strengths do not transfer.
Wordtune7.4/10
Excellent at rewriting and cheap at $6.99 a month billed annually, but it does not produce a first draft, so it cannot carry a blog on its own.

How to choose between them

Start from your publishing volume, not from the feature list. Below four posts a month, the cheapest tool that produces a usable draft wins, because the time saved does not cover a large subscription. Above that, consistency of voice starts costing more than the subscription does.

What is actually holding your blog back?

One thing to check during any trial

Take a brief you have already written by hand and ask the tool to draft it. Compare the two at the 1,000-word mark, not at the first paragraph. That is where these tools separate, and it is the part a demo never shows you.

Frequently asked questions

What is the best free AI writing tool for blog posts?

Rytr. Its free plan gives 10,000 characters a month with no credit card and does not lock tones or use cases behind the paid tiers, verified on 29 August 2026. Structure breaks down past roughly 1,000 words, so outline first.

How much should an AI writing tool cost?

Between $7.50 and $69 per month for the tools in this comparison. Rytr Unlimited is $7.50, Copy.ai is $29 for five seats, Frase starts at $49, and Jasper is $69 per seat.

Can AI writing tools produce a publishable blog post on their own?

No. Every tool here produces a draft that needs a factual pass and an editing pass. What they change is the time from brief to first draft, not the need for an editor.

Does Google penalise AI-written blog posts?

Google penalises unhelpful content, not the method used to write it. Posts that add nothing beyond what already ranks will struggle whether a person or a model wrote them.

Which of these tools has an API?

Rytr is the only pick here with API access on a self-serve plan, and it is billed separately from the subscription. Jasper reserves the API for Business and Copy.ai for enterprise, so both are a quote rather than a checkbox. Frase puts custom API access on Enterprise, and Sudowrite and Wordtune publish none.

Best AI Assistants
Four AI assistants compared on the full price ladder, the limits each vendor publishes, and what happens to what you type. Figures verified 29 August 2026.

Why the order is not the score order

The one thing that decides this category

The four picks

Side by side

How we picked

What we scored, and how heavily

The picks in detail

Jasper

What works

What does not

Best for

Not for

What it costs

Copy.ai

What works

What does not

Best for

Not for

What it costs

Rytr

What works

What does not

Best for

Not for

What it costs

Frase

What works

What does not

Best for

Not for

What it costs

Also considered

How to choose between them

Frequently asked questions

More AI Tools rankings

Where the numbers come from