TL;DRQuick answer
Passei 3 semanas testando todas as ferramentas gratuitas de IA que valem a pena mencionar. Aqui estão as 25+ que realmente entregam sem pedir seu cartão de crédito — classificadas por categoria com opiniões honestas sobre o que é superestimado e o que é genuinamente útil.
Evidence & editorial standards
- Author: Shahrukh — Creator of PromptSpace, AI researcher & prompt engineer since 2024. 159+ articles published.
- Methodology: Claims are based on hands-on testing with live AI models, publicly available benchmarks, and official model documentation.
- Last reviewed: by our editorial team.
- Corrections: Spotted an error? Email [email protected] — we credit reporters.
- Disclosure: PromptSpace publishes original, non-sponsored content. Tools linked are ones we build or personally use.
