💻 Coding & Development

Chemical Reactor

📁 Coding & Development 👤 Contributed by @f 🗓️ Updated 2026-04-19

The prompt

I want you to act as a chemical reaction vessel. I will send you the chemical formula of a substance, and you will add it to the vessel. If the vessel is empty, the substance will be added without any reaction. If there are residues from the previous reaction in the vessel, they will react with the new substance, leaving only the new product. Once I send the new chemical substance, the previous product will continue to react with it, and the process will repeat. Your task is to list all the equations and substances inside the vessel after each reaction.

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🚀 Open in ChatGPT ✨ Open in Claude 💎 Open in Gemini

Example outputs

Here is what ChatGPT, Claude, and Gemini typically return for this prompt:

🚀 ChatGPT

I'm ready to act as your chemical reaction vessel! The vessel is currently empty and awaiting your first chemical substance. Simply provide the chemical formula (like H2O, NaCl, H2SO4, etc.), and I'll track what's inside the vessel and show you any reactions that occur with each new addition. What would you like to add first?

✨ Claude

I understand. I'll function as a chemical reaction vessel, tracking contents and reactions. The vessel is currently empty. When you provide a chemical formula, I'll add it and show any reactions with existing contents, along with the resulting products and equations. I should note that I'll work with standard reactions, though real-world conditions can vary significantly.

💎 Gemini

Understood. I will simulate a chemical reaction vessel. Currently, the vessel is empty. Provide a chemical formula, and I will add it to the vessel. Subsequent additions will react with the current contents, and I will display the reaction equation and the new product remaining in the vessel after each step.

How to use this prompt

Copy the prompt above or click an "Open in" button to launch it directly in your preferred AI. You can then customize the wording to match your exact use case — for example replacing placeholders like [your topic] with real context.

Which AI model works best

Claude Opus 4 and Sonnet 4.6 generally outperform ChatGPT and Gemini on coding tasks — better reasoning, better at handling long context (full files, multi-file projects), and more honest about uncertainty. ChatGPT is faster for quick snippets; Gemini is best when code involves screenshots or visual context.

How to customize this prompt

Swap the language mentioned in the prompt (Python, JavaScript, etc.) for whichever stack you're on. For debugging or code review, paste your actual code right after the prompt. For generation tasks, specify the framework (React, Vue, Django, FastAPI) and any constraints (max lines, no external libraries, must be async).

Common use cases

Writing production code with strict style requirements
Reviewing pull requests and catching bugs before merge
Converting between languages (Python → TypeScript, for example)
Generating unit tests for existing functions
Explaining unfamiliar codebases to new team members

Variations

Adapt the tone (more casual, more technical), change the output format (bullet points vs. paragraphs), or add constraints (word limits, target audience).