Lex vs Copy.ai
Compare Lex and Copy.ai on pricing, free tier, open source, API, self-host, verdict and momentum.
Both are writing tools. Lex is freemium (free tier; Pro from ~$16/mo (sources differ $16-18/mo, $96-145/yr — confirm on the Stripe pricing table)) with an API, a free tier; Copy.ai is freemium (free trial (2k words/mo); paid plans from $1,000/mo (Growth)) with an API and a free tier. The catalog stamp is situational for Lex and situational for Copy.ai, last verified 2026-08-24 and 2026-08-19 respectively.
Auto-paired from catalog data — the verdicts are hand-set, the pairing is algorithmic.
Lex
Minimal AI-native writing app — Google Docs with a co-writer built in.
Copy.ai
Marketing copy generator with workflow automation for go-to-market teams.
| field | Lex | Copy.ai |
|---|---|---|
| pricing | freemium · free tier; Pro from ~$16/mo (sources differ $16-18/mo, $96-145/yr — confirm on the Stripe pricing table) | freemium · free trial (2k words/mo); paid plans from $1,000/mo (Growth) |
| free tier | yes | yes |
| open source | no | no |
| api | yes | yes |
| self-host | no | no |
| verdict | situational | situational |
| momentum | steady | steady |
| last verified | 2026-08-24 | 2026-08-19 |
| key limitation | A subscription on top of what ChatGPT Canvas partially does free. | Long-form drafts often feel formulaic. |
The call
Pick Lex for writers and editors whose main job is drafting long article…
Pick Copy.ai for short marketing copy and sales emails at scale.