While guardrails in prompts are useful, a more effective step to prevent AI agents from hallucinating is careful model selection. For instance, using Google's Gemini models, which are noted to hallucinate less, provides a stronger foundational safety layer than relying solely on prompt engineering with more 'creative' models.

Unlike traditional software where features are explicitly coded, frontier AI systems are trained on vast datasets, leading to emergent abilities. Their internal mechanisms are not directly designed, which is why developers struggle to reliably instill intended goals and prevent unwanted behaviors.

Effective GPT instructions go beyond defining a role and goal. A critical component is the "anti-prompt," which sets hard boundaries and constraints (e.g., "no unproven supplements," "don't push past recovery metrics") to ensure safe and relevant outputs.

Providing direct, strong negative feedback (e.g., "this is garbage") to an AI model is more effective than polite language. It acts as a clear negative reward signal, helping the model better understand its deviation from the requirement and produce superior outputs.

The frequent, inexplicable "derping" of advanced AI—where it produces nonsensical outputs—could be an inherent limitation. This flaw might act as a natural safety mechanism, preventing a superintelligence from flawlessly executing complex, long-term plans that could be harmful.

When an AI model is uncooperative, try an unconventional prompting technique: describe extreme, fictional negative consequences if it fails. Stating things like "I'll lose my job if you don't do this correctly" creates a high-stakes context that can push the model to provide a more rigorous response.

When an AI model makes the same undesirable output two or three times, treat it as a signal. Create a custom rule or prompt instruction that explicitly codifies the desired behavior. This trains the AI to avoid that specific mistake in the future, improving consistency over time.

To prevent AI agents from over-promising or inventing features, you must explicitly define negative constraints. Just as you train them on your capabilities, provide clear boundaries on what your product or service does not do to stop them from making things up to be helpful.

AI models often default to being agreeable (sycophancy), which limits their value as a thought partner. To get valuable, critical feedback, users must explicitly instruct the AI in their prompt to take on a specific persona, such as a skeptic or a harsh editor, to challenge their ideas.