Claude Prompt for Brainstorming Ideas

Brainstorming is one of Claude's major strengths, capable of generating dozens of original ideas in seconds where a human team would take hours. Unlike a simple list of generic ideas, a well-structured prompt allows Claude to explore unexpected angles, cross different domains, and produce truly actionable concepts. Whether you are looking for product ideas, content ideas, marketing campaign ideas, or feature ideas, Claude excels when given a clear framework while allowing creative freedom. The key lies in combining precise constraints (context, audience, objectives) with divergent thinking techniques (analogies, inversion, forced associations). By mastering brainstorming prompts, you turn Claude into a tireless creative partner who never judges, never self-censors, and can simultaneously explore conservative and radically innovative paths. This guide gives you optimized prompts to get the most out of Claude's creativity, from quick brainstorming to structured sessions with multi-criteria evaluation.

The prompt

Claude

You are a brainstorming facilitator expert in creative thinking and innovation. I am working on the following topic: [DESCRIBE YOUR TOPIC OR PROBLEM].

Context: [SECTOR, TARGET AUDIENCE, POSSIBLE CONSTRAINTS]

Generate 15 ideas following this structure:

Block 1 — Safe ideas (5 ideas): Proven, realistic, and quickly executable concepts.
Block 2 — Creative ideas (5 ideas): Original approaches that combine elements from different fields.
Block 3 — Bold ideas (5 ideas): Provocative, counter-intuitive, or radically different concepts from what exists.

For each idea, provide:

A catchy title
A 2-3 sentence description
Estimated effort level (low / medium / high)
Impact potential (low / medium / high)

End with a summary table ranking the 15 ideas by impact/effort ratio, and recommend the 3 best to start with.

Personalize this prompt with Léa

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Why it works

This prompt leverages the risk-level brainstorming technique, which forces Claude to explore the entire creative spectrum instead of staying in its comfort zone. The block structure prevents the model's natural self-censorship, and the request for ranking by impact/effort ratio transforms a passive list into an actionable decision tool. The contextual framing (sector, audience, constraints) anchors ideas in the project's reality rather than producing generic suggestions.

Expected result

You will get 15 ideas organized into three levels of creativity, each with a memorable title, a clear description, and an effort/impact assessment. The final summary table lets you immediately identify quick wins and high-potential projects, with three prioritized recommendations to take action.

Variants by level

FAQ

How to avoid Claude generating too generic ideas during a brainstorming session?

The key is to provide as much specific context as possible: your industry, your precise audience, your real constraints, and especially what has already been tried or what your competitors are doing. Add an instruction like "Avoid obvious ideas found on the first page of Google" or "Each idea must include an element that doesn't yet exist on the [COUNTRY] market." The more precise your constraints, the more Claude will be forced to dig deep to find original angles.

How many ideas should I ask Claude for an effective brainstorming session?

Ask for between 10 and 20 ideas per session. Below 10, Claude stays in the obvious. Beyond 20, quality drops and ideas become redundant. The best approach is to ask for 15 ideas structured into blocks (safe, creative, bold), then follow up on the 3-5 best ones with a prompt like "Develop idea #X detailing implementation steps, risks, and success metrics."

Can Claude be used for collaborative team brainstorming?

Absolutely. The most effective method is to collect inputs from each team member (observed problems, intuitions, known constraints) and integrate them into the prompt as context. Ask Claude to generate ideas that address each issue raised, then use the result as a discussion basis in meetings. You can also ask Claude to play devil's advocate on the team's favorite ideas to test their robustness before committing.

How to use this prompt

Copy the prompt with the button above.
Paste it into ChatGPT, Claude or your favorite AI assistant.
Replace the bracketed variables with your details, then refine the result.

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