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Lex: Lex is a clean, focused writing tool.
| Tier | Price |
|---|---|
| Free | Free with limited AI credits |
| Starter | $8/mo |
| Pro | $24/mo |
Pricing verified March 2026.
| Lex | Grok | Claude | Perplexity | |
|---|---|---|---|---|
| Price | $8/mo | $8/mo | $20/mo (Pro) | $20/mo (Pro) |
| Rating | ★ 4.1 | ★ 4.8 | ★ 4.6 | ★ 4.6 |
| Verdict | Situational | Situational | Recommended | Best AI Research Tool |
| Free Tier |
Lex is a clean, focused writing tool. The AI assistance is genuinely helpful for getting past blocks. Limited collaboration features hold it back for teams.
Reviewed by AICores Editorial Team
Last updated: August 2026
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