Surfer SEO
Scores and guides drafts against live SERP data before publishing.
Full Surfer SEO record →Head to head
Surfer SEO vs Writesonic
Surfer SEO (Surfer) and Writesonic (Writesonic) both sit in Marketing. Surfer SEO is the cheaper entry point at from $49/mo. Writesonic shipped more tracked changes in the last 30 days (4 vs 3). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Surfer SEO Surfer | Writesonic Writesonic |
|---|---|---|
| Segment | Marketing | Marketing |
| Version | MCP | 2.5 |
| Entry cost | from $49/mo | Free tier · from $79/mo |
| Pricing tiers | Discovery $49 · AI Search Analytics $82 · Standard $99 · Pro $182 · Peace of Mind $299 | Starter $79 · Basic $199 · Growth $399 · Enterprise free |
| Model stack | ChatGPT · Claude · Gemini · GPT-4 · Perplexity · Surfy · Undisclosed frontier LLM | ChatGPT · Claude · ClaudeBot · Gemini · GPT-4 · GPT-5.2 · GPTBot · PerplexityBot · Unspecified LLM · Writesonic v2.5 |
| Context window | Not published | Not published |
| Public API | ||
| Routes models | ||
| Changes / 30d | 3 | 4 |
| Origin | Global | Global |
| Capabilities | Content score, SERP analyser, Outline builder, AI tracker, Auto-optimise, AI SEO Optimization, AI Writing Assistant (Surfy), AI Detector & Humanizer | SEO article writer, Keyword research, Brand voice, AI tracker, Bulk generation, AI Visibility Tracking, Sentiment Analysis, AI Article Writer |
Writesonic
Article writing, keyword research and brand voice tooling for marketers.
Full Writesonic record →