Dev.to
6/16/2026

Your AI assistant is not hallucinating. It's guessing, and you asked it to guess.
Short summary
LLMs don't hallucinate; they predict the most likely next token based on your prompt. When outputs are wrong, it's usually because the prompt was underspecified, not a model failure. The fix: write tighter prompts with explicit constraints on inputs, outputs, error handling, dependencies, and edge cases.
- •LLMs are next-token predictors with no internal uncertainty signal
- •Wrong outputs usually stem from underspecified prompts, not model flaws
- •Tighter prompts with explicit constraints fix most output problems
Generated with AI, which can make mistakes.
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