ChatGPT vs Lex
ChatGPT
OpenAI's flagship conversational AI — research, writing, code.
From $20/mo · See pricing
Lex
AI-native writing tool built for long-form drafts and research.
From $15/mo · See pricing
| Spec | ChatGPT | Lex |
|---|---|---|
| Category | AI Writing | AI Writing |
| Pricing | $20/mo | $15/mo |
| Hours saved/wk | 10 | 4 |
| Ease of use | — | — |
| Popularity | — | — |
| Usefulness | — | — |
| ROI Score | 80.0 | 44.0 |
Our pick: ChatGPT
With an ROI score of 80.0/100, ChatGPT edges ahead on value for money. Plans start at $20/mo.
Try ChatGPT Free →Related comparisons
Frequently asked questions
Is ChatGPT better than Lex in 2026?
Based on our editorial ROI Score, ChatGPT (80.0/100) edges out Lex (44.0/100). The score factors in cost, time saved, ease of use, and output quality.
Is ChatGPT cheaper than Lex?
Lex starts at $15/mo, while ChatGPT starts at $20/mo. Visit the full pricing pages for plan details.
What is the main difference between ChatGPT and Lex?
Both are AI Writing tools, but they differ in pricing, ease of use, and feature depth. ChatGPT scores higher on our ROI metric, which weights value for money alongside real-world output quality.
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