Jus IA vs ChatADV
Jus IA and ChatADV compete in AI for lawyers. We show the editorial position of each and the published criteria — AI Rankings never crowns a paid “winner” and never reorders for sponsorship.
Position in the AI for lawyers ranking
Position comes only from the ranking criteria (rule R1). When there's an affiliate link, it's labeled and never changes the order (R5).
Side by side
| Criterion | Jus IA | ChatADV |
|---|---|---|
| Ranking position | #1 | #3 |
| Free plan | Yes | No |
| Starting price | R$ 78.90/mo | R$ 277/mo |
| Speaks Portuguese? | Yes | Yes |
What we verified
Jus IA
Jusbrasil
- On the free plan
- Free experimental access for Jusbrasil account holders.
Verified on October 22, 2026 · official site
- Speaks Portuguese?
- Yes
Verified on October 22, 2026 · official site
- Why it's ranked here
- Brazil's largest legal database, with validated case-law citations, a model specialized in Brazilian law, free experimental access and prices published in reais; the entry plans cap the number of messages.
Verified on October 22, 2026 · official site
ChatADV
Décima Tecnologia
- Best for
- Lawyers who want to hand case analysis, case-law research and pleading drafting to AI agents.
Verified on October 22, 2026 · official site
- Speaks Portuguese?
- Yes
Verified on October 22, 2026 · official site
- Why it's ranked here
- It handles the main legal tasks in Portuguese, with case law cited by court and number and a published price, but it has no permanent free plan (only a free trial of unstated length) and its paid plan costs more than those of the tools above.
Verified on October 22, 2026 · official site
How we compare
Both are judged by the same AI for lawyers criteria:
Usefulness for real legal work (case-law and statute research, drafting and reviewing filings and contracts, document analysis), coverage of Brazilian law and Portuguese support, pricing transparency and a free plan or trial.
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