Model Comparison
GPT-4o vs GPT-OSS 120B
GPT-4o: Ultra-efficientGPT-OSS 120B: Standard
Side-by-side environmental impact comparison. GPT-OSS 120B uses 4.2x more energy per query.
GPT-OSS 120B uses 4.2x more energy than GPT-4o
1.8 Wh vs 0.43 Wh per query · 0.79 g vs 0.19 g CO₂ · 7 mL vs 2 mL water
GPT-4o
OpenAI
Energy per query0.43 Wh
CO₂ per query0.19 g
Water per query2 mL
VS
GPT-OSS 120B
OpenAI
Energy per query1.8 Wh
CO₂ per query0.79 g
Water per query7 mL
GPT-4o
ProviderOpenAI
CategoryText / Chat
Inference LocationAzure US East / Sweden
Confidencepeer-reviewed
Efficiency TierUltra-efficient
GPT-OSS 120B
ProviderOpenAI
CategoryText / Chat
Inference LocationSelf-hosted (varies)
Confidenceestimated
Efficiency TierStandard
Frequently Asked Questions
Which uses more energy, GPT-4o or GPT-OSS 120B?
GPT-OSS 120B uses 4.2x more energy per query than GPT-4o. GPT-4o uses 0.43 Wh per query, while GPT-OSS 120B uses 1.8 Wh.
What is the carbon footprint difference between GPT-4o and GPT-OSS 120B?
GPT-OSS 120B uses 4.2x more CO₂ per query than GPT-4o. GPT-4o emits 0.19 g of CO₂ per query compared to GPT-OSS 120B's 0.79 g.
Which is more environmentally friendly, GPT-4o or GPT-OSS 120B?
GPT-4o is the more environmentally friendly option, using 0.43 Wh per query compared to GPT-OSS 120B's 1.8 Wh. That makes GPT-OSS 120B roughly 4.2x more energy-intensive.
Calculate your footprint with these models
See how your daily usage of GPT-4o and GPT-OSS 120B adds up over time. Our calculator estimates energy, carbon, and water impact.
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