Ferramentas de IA gratuitas que prestam em 2026: testadas
Os planos gratuitos de IA em 2026 são projetados para esconder os limites reais. O que cada ferramenta entrega de fato, onde quebra e em qual volume.
Read more →Prompt-engineering
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Prompt-engineering
Claude Constitutional AI: What It Means for Your Prompts
Claude's constitutional AI shifted from rule-based to reason-based alignment in 2026. Here's how that change breaks common prompt patterns and what to do instead.
Read more →Claude Constitutional AI: o que muda nos seus prompts
A Constitutional AI do Claude passou de regras fixas para raciocínio contextual em 2026. Veja como essa mudança quebra padrões comuns de prompt e o que fazer no lugar.
Read more →Chain-of-Thought Prompting: When It Helps and When It Wastes Tokens
Chain-of-thought prompting genuinely helps on math and symbolic reasoning, but a 2025 meta-analysis shows it often produces verbose rationalization elsewhere. Here is how to decide before paying 3-5x in tokens.
Read more →Chain-of-thought prompting: quando ajuda e quando desperdiça tokens
Chain-of-thought prompting ajuda de verdade em matemática e raciocínio simbólico, mas uma meta-análise de 2025 mostra que em outros contextos frequentemente só gera texto a mais. Como decidir antes de pagar 3 a 5x mais em tokens.
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