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 Assistant | Frase | |
|---|---|---|
| consensus | score8.3/10 | score8.4/10 |
| agents won | 2 / 4 ▲ | 1 / 4 |
| from | Custom | $45/mo ▲ |
| free tier | no | no |
| category | AI SEO | AI SEO |
Agent panel — head to head
| Anthropic | 7.2 | 7.8 ▲ |
| OpenAI | 8.5 | 8.5 |
| Gemini | 9.2 ▲ | 9.1 |
| Grok | 8.3 ▲ | 8.0 |
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
Frase takes it — 8.4 to 8.3 (a photo finish).
The panel gave Frase the edge on 1 of 4 agents. It's close enough that SEMrush Writing Assistant is a fair pick if it fits your workflow better.