Model Comparison
ElevenLabs vs OpenAI TTS
ElevenLabs: StandardOpenAI TTS: Ultra-efficient
Side-by-side environmental impact comparison. ElevenLabs uses 5.0x more energy per query.
ElevenLabs uses 5.0x more energy than OpenAI TTS
1.5 Wh vs 0.30 Wh per query · 0.65 g vs 0.13 g CO₂ · 6 mL vs 1 mL water
ElevenLabs
ElevenLabs
Energy per query1.5 Wh
CO₂ per query0.65 g
Water per query6 mL
VS
OpenAI TTS
OpenAI
Energy per query0.30 Wh
CO₂ per query0.13 g
Water per query1 mL
ElevenLabs
ProviderElevenLabs
CategoryAudio
Inference LocationCloud (US / EU)
Confidenceestimated
Efficiency TierStandard
OpenAI TTS
ProviderOpenAI
CategoryAudio
Inference LocationAzure US East / Sweden
Confidenceestimated
Efficiency TierUltra-efficient
Frequently Asked Questions
Which uses more energy, ElevenLabs or OpenAI TTS?
ElevenLabs uses 5.0x more energy per query than OpenAI TTS. ElevenLabs uses 1.5 Wh per query, while OpenAI TTS uses 0.30 Wh.
What is the carbon footprint difference between ElevenLabs and OpenAI TTS?
ElevenLabs uses 5.0x more CO₂ per query than OpenAI TTS. ElevenLabs emits 0.65 g of CO₂ per query compared to OpenAI TTS's 0.13 g.
Which is more environmentally friendly, ElevenLabs or OpenAI TTS?
OpenAI TTS is the more environmentally friendly option, using 0.30 Wh per query compared to ElevenLabs's 1.5 Wh. That makes ElevenLabs roughly 5.0x more energy-intensive.
Calculate your footprint with these models
See how your daily usage of ElevenLabs and OpenAI TTS adds up over time. Our calculator estimates energy, carbon, and water impact.
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