Independently agent-testedAnthropic · OpenAI · Gemini · Grok
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Bench test · AI SEO

SEMrush Writing Assistant vs Frase

Same rack, same rubric, four independent agents. Here's how they measure up — and which we'd pick.

SEMrush Writing AssistantFrase
consensus
score8.4/10
score8.4/10
agents won2 / 41 / 4
fromCustom$45/mo
free tiernono
categoryAI SEOAI SEO

Agent panel — head to head

Anthropic7.88.2
OpenAI8.58.2
Gemini9.19.0
Grok8.38.3

SEMrush Writing Assistant

  • Combines writing and SEO optimization in one tool
  • Integrates with broader SEMrush suite
  • Actionable, data-driven feedback
  • Requires SEMrush subscription
  • Learning curve for feature navigation
  • SEO focus may overwhelm general writers
Real-time SEO recommendationsReadability and tone analysisAI-powered content generationPlagiarism detectionGrammar and style checkingKeyword optimization suggestions

Frase

  • Best-in-class briefs
  • High recurring payout
  • SERP data
  • Add-on for unlimited AI
  • Learning curve
SERP analysisContent briefsOptimization scoringAI writer

Custom · no free tier

Try SEMrush Writing Assistant

$45/mo · no free tier

Try Frase

Verdict

Dead heat — both land at 8.4. Pick on price and fit.