Image: Ahrefs
Why it mattersA marketing team buying a content tool has one page. It lines up price per article, API and MCP, and the score-to-ranking link.
A marketing team shopping for a content optimization tool has one new reference to work from. Ahrefs published a comparison on 3 November 2026. The post lines up Clearscope against ten rivals on price, API access and MCP support. The named author is Ryan Law, Ahrefs's director of content marketing.
The piece is unusual on two counts. Ahrefs sells one of the tools in the table. The post discloses this and lists Ahrefs AI Content Helper first. Every tool is also scored on the same correlation measurement. The measurement asks how much a tool's content score predicts a page's search ranking.
The price per article table
Ahrefs says Clearscope's entry plan costs $129 per month and covers 20 articles. That works out to $6.45 per article. Clearscope is the most expensive of the eleven listed tools. It is also the only one with no API and no MCP. Here is the rest of the table.
NeuronWriter is $23 per month at $0.92 per article, the cheapest in the table. API and MCP are on its Gold plan and above. Ahrefs AI Content Helper is $99 per month at $1.98 per article, with API and MCP on all plans. Dashword is $99 at $3.30 per article, with API and MCP. SE Ranking is $129 at $5.16, with API and MCP. Content Harmony is $50 at $10.00 per article, with API but no MCP. Frase is $49 at $4.90, with API and MCP. Surfer starts at $49 on annual plans, with API only on its top plan and MCP from Pro and up. MarketMuse keeps a free tier and offers no API. PageOptimizer Pro is $40 per month, with API as a $10 add-on and no MCP.
The content-score to ranking correlation
Ahrefs says it tested the content score each tool gives against actual search ranking. All eleven tools showed a positive relationship. Ahrefs AI Content Helper and NeuronWriter were highest at 0.24. Clearscope sat at 0.14. The number is the Spearman correlation across Ahrefs's test set. No sample size is given in the piece.
A reader has to hold three caveats in mind. Ahrefs scored its own tool. The correlation window and the keywords are not published. A content score correlation of 0.24 means a tool's score explains a small share of a page's ranking position.
Why this matters
The AI angle on the comparison is the MCP column. Clearscope has none. Of the ten alternatives, seven offer MCP today. A content tool with MCP can be called by Claude Code, Cursor or ChatGPT without a separate workflow. For teams already using an AI stack, the MCP column holds the real switching cost, not the headline price.
Source
Ryan Law, Ahrefs, "10 Clearscope Alternatives (Compared on Price, API, and MCP Access)".
This item was written by an AI system from the linked source. Reveneau is responsible for what it publishes.
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