Best AI Copywriting Tools for A/B Testing

A/B testing has become faster and smarter thanks to AI copywriting tools. These tools generate multiple content variations, predict top-performing options, and optimize campaigns in real-time. Businesses using AI have reported increased conversions, reduced ad costs, and faster testing cycles. Here’s a quick look at the top options:

• Jasper: Great for long-form content with brand voice consistency. Starts at $39/month.
• Copy.ai: Ideal for ad copy and landing pages. Offers a $36/month Pro plan.
• Anyword: Focused on predictive analytics, helping forecast content performance. Pricing is custom.
• KoalaWriter: Affordable SEO content testing at $9/month.
• Unbounce: Built for landing pages with AI-driven testing. Starts at $74/month.
• Optimizely: Enterprise-level multi-channel testing with custom pricing.

Quick Comparison:

Choose a tool based on your goals, budget, and team size. Free trials are a great way to evaluate how well these tools align with your needs.

A/B Testing of AI generated Content to Boost Results

Best AI Copywriting Tools for A/B Testing

Each tool brings its own strengths to the table, catering to specific needs for A/B testing.

Jasper – Ideal for Long-Form Content and Maintaining Brand Voice

Jasper shines when it comes to A/B testing for long-form content. It offers over 50 templates and a Brand Voice editor, which trains the AI to reflect your tone and style, ensuring all variations stay consistent with your brand.

The Marketing Editor allows real-time collaboration with updates, and its integration with Google Docs ensures teams can work seamlessly within their existing workflows. As Dave Gerhardt, Founder of Exit-Five, puts it:

"I recommend Jasper to every marketer in my B2B SaaS community because it's the best AI tool for creating campaigns".

Pricing starts at $39/month for the Creator plan, while the Pro plan, at $59/month, includes extras like a plagiarism checker.

Copy.ai – Best for Generating Ad Copy and Landing Page Variations

Copy.ai is perfect for creating multiple ad and landing page versions using frameworks like "Problem, Agitate, Solve" (PAS). With more than 90 workflows, it simplifies tasks like crafting social media posts, Google Ads, and landing page headlines.

Its GTM AI Platform centralizes the creation, management, and analysis of A/B tests. Nathan Thompson, Marketing Leader at Copy.ai, highlights its value:

"A/B testing removes the guesswork from marketing and provides concrete evidence to support decisions".

The Pro plan costs $36/month for up to five users with unlimited word counts. A free tier is also available, offering 2,000 words per month for smaller teams.

Anyword – Best for Predictive Analytics in Copy Testing

Anyword stands out by using predictive analytics to forecast which copy will perform best before running tests. It scores variations based on historical data from platforms like Google Ads and Meta. For example, in 2023, Freya Smale, a Marketing Director in the automotive industry, used Anyword to analyze past email campaigns, boosting click-through rates from 2.5% to 8%. Similarly, Christopher Ingrao, Senior Manager of Growth Marketing, increased clicks by 23% across paid channels without raising costs.

"Anyword has helped us marry the data world and the creative world. We've used Anyword to analyze what we've been doing and create smarter content – and it's working!"

• Freya Smale, Director, Marketing, Automotive

The platform integrates with major advertising channels, making it easy to measure AI-generated content against past campaigns.

KoalaWriter – Best for SEO-Focused Content Testing

KoalaWriter is designed for bloggers and content marketers who want to test different keyword strategies. It generates SEO-optimized blog posts that remain highly readable for human audiences.

At just $9/month, it’s an affordable way to create multiple versions of an article with varying keyword focuses, helping you identify which approach performs better in search rankings.

Unbounce – Best for Landing Page Testing with AI Integration

Unbounce combines AI-driven copywriting with built-in A/B testing tools tailored for landing pages. Its Smart Copy feature enables real-time edits directly within its drag-and-drop builder.

In 2023, Going (formerly Scott's Cheap Flights) used Unbounce to test a small, three-word tweak to their call-to-action button, resulting in triple-digit growth in conversions.

"Unbounce is my ultimate tool for A/B testing and quick to market landing pages"

• Justin Radford, Print Production Coordinator, PDW Inc.

The platform includes responsive templates and audience segmentation features, with pricing starting at $74/month and a 14-day free trial.

Optimizely – Best for Advanced Multi-Channel Testing

Optimizely is built for enterprise-level A/B testing across websites, mobile apps, emails, and more. Its Opal AI feature delivers real-time insights and automated testing recommendations, helping teams make data-driven decisions.

The platform integrates with Customer Data Platforms (CDP) and offers advanced analytics for large-scale campaigns. Users have reported a 35% increase in test impact and a 37% boost in website engagement through its AI-powered tools.

Optimizely is geared toward large organizations and requires a custom quote for pricing.

The table below provides a quick comparison of these tools:

Comparison Table of AI Copywriting Tools

Here's a detailed comparison of popular AI copywriting tools, highlighting their unique strengths and features:

Among these tools, Anyword stands out as the only one offering predictive analytics for copy scoring. For teams that emphasize security and compliance, both Jasper and Copy.ai meet SOC 2 Type II certification standards.

These features empower businesses to make quicker, data-informed decisions, enhancing campaign performance and streamlining A/B testing processes. Each tool brings something different to the table, catering to specific needs in marketing and content creation.

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How to Choose an AI Copywriting Tool

When it comes to selecting the right AI copywriting tool for A/B testing, it’s all about narrowing down your needs and matching them to the tool’s capabilities. Start by pinpointing your primary use case. For long-form SEO content, tools like Jasper or KoalaWriter are solid choices. If you’re focused on creating a high volume of ad copy or landing page variations, Copy.ai or Anyword might align better. Teams in performance marketing should prioritize tools with predictive analytics, while agencies handling multiple brands will benefit from features like brand voice training and approval workflows.

Budget and team size also play a big role in your decision. Solo marketers or freelancers may find starter plans that balance affordability and functionality. On the other hand, enterprise teams needing advanced integrations and multi-user collaboration will want to explore higher-tier plans.

Integration options are another critical factor, often influencing long-term value more than the tool’s core features. Look for tools that integrate seamlessly with your existing systems, such as SEO platforms or CRM tools. If your campaigns rely on complex workflows, tools offering thousands of integrations through platforms like Zapier can simplify processes and add flexibility.

Free trials are your best friend here. Use them to evaluate how much editing the tool’s first drafts require to align with your brand standards. As Tracy Laranjo, CRO Strategist, puts it:

"The key is to use AI responsibly; I use it to process data more efficiently, automate repetitive tasks, and be a more concise communicator. I embrace it for the doing aspects of my job but never for the thinking aspects".

A less expensive tool that requires heavy revisions could end up costing more in labor over time.

For those managing omnichannel campaigns, tools with Multi-Armed Bandit (MAB) algorithms can be game-changers. These algorithms automatically shift traffic to top-performing variants, cutting traditional testing cycles from weeks to just days.

Conclusion

AI copywriting tools have reshaped the way teams handle A/B testing. What used to take weeks can now be accomplished in days - or even hours - while managing thousands of variations at once. The results speak for themselves: faster campaign rollouts, more experiments conducted, and noticeable improvements in conversion rates. Some companies have even reported saving millions through ongoing AI-driven optimization.

These advancements underscore the importance of choosing the right tool for your specific campaign needs. The strengths of each tool are designed to address the challenges marketers face today. For example, if your focus is scaling SEO content, KoalaWriter’s optimization features might be a great fit. Performance marketers managing high-volume ad campaigns could benefit from Copy.ai’s quick variant generation or Anyword’s predictive analytics. Meanwhile, enterprise teams juggling multiple brands might lean toward Jasper, thanks to its strong brand voice training and approval workflows.

What sets modern AI tools apart is their ability to not only speed up testing but also adapt campaigns in real time as customer behavior evolves. Unlike traditional testing, which ends once a "winner" is identified, AI-powered systems keep optimizing. They dynamically reallocate traffic to the best-performing variants, avoiding the stagnation that often comes with static testing.

FAQs

How can AI copywriting tools improve A/B testing results?

AI copywriting tools are transforming A/B testing, making the process quicker and smarter. Instead of spending weeks manually crafting a handful of copy variations and waiting for results, these tools can churn out multiple options in mere seconds and test them instantly. They continuously track visitor behavior, shifting traffic toward the top-performing versions and providing actionable insights within days.

What’s more, these tools go beyond just speed. They ensure every variation stays true to brand guidelines, tailors messaging to suit different audience segments, and leverages predictive models to figure out what resonates best. For marketers in the U.S., finding AI-driven solutions designed for real-time A/B testing has become more straightforward, thanks to curated directories showcasing tools that blend creative flair with performance analytics.

What should I look for in an AI copywriting tool to improve my A/B testing campaigns?

When picking an AI copywriting tool, it’s all about aligning with your specific business needs and goals. If A/B testing is high on your list, go for a tool that offers real-time performance metrics and can churn out multiple variations of headlines or ad copy in no time. For businesses focused on brand consistency, features like custom voice training or AI that matches your brand's tone are a must.

Practical considerations like pricing, scalability, and integrations also play a big role. If you're a small business, a budget-friendly option might be the way to go. On the other hand, agencies or larger teams may benefit from advanced platforms packed with enterprise-level features. Make sure the tool fits smoothly into your workflow, whether through collaboration tools or API access.

Lastly, don’t overlook tools that prioritize data privacy, analytics, and support. A solid analytics dashboard that tracks key metrics - like conversion rates - can be a game-changer for fine-tuning your campaigns. For a list of top AI copywriting tools tailored for marketers in the U.S., check out the Content and Marketing directory.

How do AI tools use predictive analytics to improve copy performance?

AI-powered copywriting tools use predictive analytics to estimate how your content will perform before it even goes live. By examining past data - like click-through rates, conversions, and audience interactions - these tools assign performance scores to different versions of your copy. This makes it easier for marketers to pinpoint which headlines, ad copy, or landing page text is likely to deliver the best results.

Predictive analytics bring several advantages to the table. They offer real-time feedback, so you can tweak your copy on the spot instead of waiting for traditional A/B testing to run its course. Some tools even automatically shift traffic toward the best-performing versions, ensuring your campaigns stay optimized. Plus, by incorporating A/B test results into their algorithms, these tools continuously refine their recommendations, making them even more reliable over time.

If you're looking for tools with these features, platforms like Content and Marketing provide a range of AI-driven copywriting solutions designed to streamline the creation of high-impact content.

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