Capacity & Role · Insight · Statement · Personality · Experiment

A five-part framework for nuanced LLM prompts that handle persona, context, task, voice, and variation in one shot.

The components

CCapacity & Role
The persona the LLM adopts, including domain expertise and authority level.
IInsight
Relevant background context, audience, constraints, and prior knowledge.
SStatement
The precise task the LLM is being asked to perform.
PPersonality
The voice, tone, and stylistic register of the response.
EExperiment
Variations or alternative angles the LLM may explore.

Worked example

Rough prompt

Help me write a strategy memo for our board on whether to acquire a smaller competitor.

Super-prompt produced by CRISPE

[Capacity & Role] You are a senior corporate-development advisor with 15 years of M&A experience in mid-market technology firms.
[Insight] The audience is a five-person board, two of whom are sceptical of M&A. The target is a smaller competitor with overlapping product but a stronger sales motion. We have 60 days of cash runway flexibility before requiring board-approved capital.
[Statement] Draft a board memo that recommends a position on the acquisition, defends the recommendation against the strongest counter-argument, and proposes the next two decisions the board must make.
[Personality] Crisp, evidence-led, neutral-on-its-face but with clear conviction. British corporate register. No hedging language.
[Experiment] Close with one paragraph titled "Alternative path" exploring a partial-acquisition or talent-acquihire route.

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