Model Comparison
Claude Sonnet 5 vs GPT-4o
Claude Sonnet 5: HeavyGPT-4o: Ultra-efficient
Side-by-side environmental impact comparison. Claude Sonnet 5 uses 7.4x more energy per query.
Claude Sonnet 5 uses 7.4x more energy than GPT-4o
3.2 Wh vs 0.43 Wh per query · 1.1 g vs 0.19 g CO₂ · 6 mL vs 2 mL water
Claude Sonnet 5
Anthropic
Energy per query3.2 Wh
CO₂ per query1.1 g
Water per query6 mL
VS
GPT-4o
OpenAI
Energy per query0.43 Wh
CO₂ per query0.19 g
Water per query2 mL
Claude Sonnet 5
ProviderAnthropic
CategoryText / Chat
Inference LocationAWS / GCP
Confidenceestimated
Efficiency TierHeavy
GPT-4o
ProviderOpenAI
CategoryText / Chat
Inference LocationAzure US East / Sweden
Confidencepeer-reviewed
Efficiency TierUltra-efficient
Frequently Asked Questions
Which uses more energy, Claude Sonnet 5 or GPT-4o?
Claude Sonnet 5 uses 7.4x more energy per query than GPT-4o. Claude Sonnet 5 uses 3.2 Wh per query, while GPT-4o uses 0.43 Wh.
What is the carbon footprint difference between Claude Sonnet 5 and GPT-4o?
Claude Sonnet 5 uses 5.9x more CO₂ per query than GPT-4o. Claude Sonnet 5 emits 1.1 g of CO₂ per query compared to GPT-4o's 0.19 g.
Which is more environmentally friendly, Claude Sonnet 5 or GPT-4o?
GPT-4o is the more environmentally friendly option, using 0.43 Wh per query compared to Claude Sonnet 5's 3.2 Wh. That makes Claude Sonnet 5 roughly 7.4x more energy-intensive.
Calculate your footprint with these models
See how your daily usage of Claude Sonnet 5 and GPT-4o adds up over time. Our calculator estimates energy, carbon, and water impact.
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