Sustainability Analytics for the LLM Era

Every prompt has a carbon cost.
Make yours greener.

Compare GPT-4o, Gemini, and more side-by-side. Optimize prompts to slash energy consumption by up to 50% — without losing intent.

Battle Mode

4 LLMs. One prompt. Real numbers.

Green Optimizer

AI-rewritten, 30-50% lighter.

Live Gauge

Watch carbon cost as you type.

⚔️ Battle Mode

One prompt → 4 models in parallel. See who wins on energy & speed.