AI-generated text often falls back on clichés and recognizable patterns. To combat this, create a master prompt that includes a list of banned words (e.g., "innovative," "excited to") and common LLM phrases. This forces the model to generate more specific, higher-impact, and human-like copy.

Related Insights

With models like Gemini 3, the key skill is shifting from crafting hyper-specific, constrained prompts to making ambitious, multi-faceted requests. Users trained on older models tend to pare down their asks, but the latest AIs are 'pent up with creative capability' and yield better results from bigger challenges.

A powerful workflow is to explicitly instruct your AI to act as a collaborative thinking partner—asking questions and organizing thoughts—while strictly forbidding it from creating final artifacts. This separates the crucial thinking phase from the generative phase, leading to better outcomes.

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.

Using adjectives like 'elite' (e.g., 'You are an elite photographer') isn't about flattery. It's a keyword that signals to the AI to operate within the higher-quality, expert-level subset of its training data, which is associated with those words, leading to better-quality output.

When an LLM produces text with the wrong style, re-prompting is often ineffective. A superior technique is to use a tool that allows you to directly edit the model's output. This act of editing creates a perfect, in-context example for the next turn, teaching the LLM your preferred style much more effectively than descriptive instructions.

When a prompt yields poor results, use a meta-prompting technique. Feed the failing prompt back to the AI, describe the incorrect output, specify the desired outcome, and explicitly grant it permission to rewrite, add, or delete. The AI will then debug and improve its own instructions.

Research shows that, similar to humans, LLMs respond to positive reinforcement. Including encouraging phrases like "take a deep breath" or "go get 'em, Slugger" in prompts is a deliberate technique called "emotion prompting" that can measurably improve the quality and performance of the AI's output.

Most AI writing tools produce generic content. Spiral was rebuilt to act as a partner. It first interviews the user to understand their thoughts and taste, helping them think more deeply before generating drafts. This collaborative process avoids "slop" and leads to more authentic writing.

The desire for perfection and control is a bottleneck in the AI era. Marketers who insist on reviewing every word of AI-generated copy will fall behind. The new critical skill is not writing perfect copy, but engineering and continuously improving the prompts that generate it at scale. It's a mindset shift from creator to system designer.

Asking an AI to 'predict' or 'evaluate' for a large sample size (e.g., 100,000 users) fundamentally changes its function. The AI automatically switches from generating generic creative options to providing a statistical simulation. This forces it to go deeper in its research and thinking, yielding more accurate and effective outputs.

Improve AI Writing by Using a Master Prompt with 'Banned Words' to Force Specificity | RiffOn