Best AI Writing Software for SEO in 2025 (Ranked & Compared)
Not all AI writing tools are built with SEO in mind. We compared the top platforms on writing quality, SEO feature depth, SERP integration, and value—to show you which ones actually move rankings.
Updated February 17, 2025 · 9 min read
Jasper AI
Best AI writing quality for SEO
From $49/mo
Jasper delivers the most polished long-form AI writing output for SEO—consistently readable, on-tone, and structurally sound. Its SEO Mode with Surfer SEO integration makes it the strongest pure writing tool for SEO teams.
Strengths
- ✓Highest output quality
- ✓Brand voice controls
- ✓Surfer SEO integration
- ✓Long-form document editor
Limitations
- ✗SEO scoring requires Surfer add-on ($$$)
- ✗Longer prompts needed for best results
Surfer SEO
Best all-in-one SEO + AI writing platform
From $89/mo
Surfer SEO is the most complete AI writing software for SEO—combining keyword research, SERP analysis, real-time content scoring, and an AI outline generator in a single tool. The writing quality is good (not Jasper-level), but the SEO depth is unmatched.
Strengths
- ✓Real-time content scoring
- ✓SERP-based AI outlines
- ✓Keyword clustering
- ✓Audit tool for existing content
Limitations
- ✗AI writing weaker than Jasper
- ✗Higher price for the full suite
Frase
Best value AI writing software for SEO
From $14.99/mo
Frase combines fast SERP research, automatic brief generation, and a capable AI writer at a price that beats every competitor. The best choice for budget-conscious SEO teams that need research-driven briefs above all else.
Strengths
- ✓Affordable entry price
- ✓Strong SERP research
- ✓Auto-generated briefs
- ✓Clean editor interface
Limitations
- ✗Long-form writing less polished than Jasper
- ✗Limited keyword data depth
Copy.ai
Best for marketing-focused SEO copy
From $36/mo
Copy.ai excels at short-to-medium form marketing copy with SEO application—meta descriptions, landing page copy, product descriptions, and social content. Less suited for long-form editorial SEO content than Jasper or Frase.
Strengths
- ✓Fast short-form copy generation
- ✓Wide template library
- ✓Good meta description tool
- ✓Affordable unlimited plan
Limitations
- ✗Weaker for long-form articles
- ✗Limited SERP integration
FAQs
- What is the best AI writing software for SEO?
- Surfer SEO is the best all-in-one AI writing software for SEO in 2025. For pure writing quality, Jasper AI leads. For best value, Frase is the strongest option. The right choice depends on whether you prioritise SEO optimisation depth or AI writing quality.
- Can AI writing software improve my Google rankings?
- Yes. AI writing software improves Google rankings by producing more comprehensive content, better keyword coverage, and well-structured pages that match search intent. Tools with real-time SEO scoring (Surfer SEO, Clearscope) have the most direct ranking impact.
- Is Jasper good for SEO?
- Jasper is excellent for SEO when paired with Surfer SEO's integration. On its own, Jasper produces high-quality writing but lacks built-in keyword scoring. With Surfer's SEO Mode active, Jasper becomes one of the best end-to-end AI SEO writing tools available.
- What is the cheapest AI writing software for SEO?
- Frase is the most affordable purpose-built AI writing software for SEO, starting at $14.99/month. For free options, ChatGPT with manual SEO prompting is viable, though results are less optimised than dedicated SEO writing tools.