Model Comparison
GPT-4o vs Grok 2
GPT-4o: Ultra-efficientGrok 2: Standard
Side-by-side environmental impact comparison. Grok 2 uses 16% more energy per query.
Grok 2 uses 16% more energy than GPT-4o
0.50 Wh vs 0.43 Wh per query · 0.25 g vs 0.19 g CO₂ · 0.90 mL vs 2 mL water
GPT-4o
OpenAI
Energy per query0.43 Wh
CO₂ per query0.19 g
Water per query2 mL
VS
Grok 2
xAI
Energy per query0.50 Wh
CO₂ per query0.25 g
Water per query0.90 mL
GPT-4o
ProviderOpenAI
CategoryText / Chat
Inference LocationAzure US East / Sweden
Confidencepeer-reviewed
Efficiency TierUltra-efficient
Grok 2
ProviderxAI
CategoryText / Chat
Inference LocationMemphis, Tennessee (Colossus)
Confidenceestimated
Efficiency TierStandard
Frequently Asked Questions
Which uses more energy, GPT-4o or Grok 2?
Grok 2 uses 16% more energy per query than GPT-4o. GPT-4o uses 0.43 Wh per query, while Grok 2 uses 0.50 Wh.
What is the carbon footprint difference between GPT-4o and Grok 2?
Grok 2 uses 32% more CO₂ per query than GPT-4o. GPT-4o emits 0.19 g of CO₂ per query compared to Grok 2's 0.25 g.
Which is more environmentally friendly, GPT-4o or Grok 2?
GPT-4o is the more environmentally friendly option, using 0.43 Wh per query compared to Grok 2's 0.50 Wh. That makes Grok 2 roughly 1.2x more energy-intensive.
Calculate your footprint with these models
See how your daily usage of GPT-4o and Grok 2 adds up over time. Our calculator estimates energy, carbon, and water impact.
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