Compare · Audio
ElevenLabs v3 vs OpenAI GPT Audio
Specs, pricing, and capabilities side by side, plus outputs generated from identical prompts, so the only variable between the columns is the model.
Cloud
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ElevenLabs' most expressive voice model with rich emotional and tonal range.
Learn more about v3 →Cloud
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OpenAI's generally available speech model: a chat model that reads text aloud in 13 natural-sounding voices, with consistent voice identity across long passages.
Learn more about GPT Audio →Overview
Creator
ElevenLabs
OpenAI
Released
Mar 2026
Aug 2025
Available on
OpenRouterReplicateElevenLabs
OpenRouter
Model ID
elevenlabs/v3
openai/gpt-audio
Specs
Pricing
$0.04 / 1k chars
$0.12 / 1k chars
Type
Text-to-speech
Text-to-speech
Voices
47 to choose from
13 to choose from
Languages
Multilingual
-
Voice controls
Speed, Stability, Similarity
-
Output formats
MP3, WAV_44100
-
Samples
NarrationBaseline naturalness and pacing
PromptThe last train had already left, but she decided to walk anyway. The city was quieter than she remembered, and for the first time in weeks, she wasn't in a hurry.
0:00 / 0:10
Download elevenlabs-v3-narration.mp3
0:00 / 0:10
Download openai-gpt-audio-narration.mp3
ExpressiveEmotion, emphasis, and pauses
PromptWait — you're telling me it actually worked? After all that? I can't believe it. Honestly, I thought we'd lost the whole thing.
0:00 / 0:08
Download elevenlabs-v3-expressive.mp3
0:00 / 0:08
Download openai-gpt-audio-expressive.mp3
Numbers and jargonDecimals, percentages, version numbers
PromptThe API returned 3,481 results in 0.42 seconds, a 12 percent improvement over version 2.5. Latency at the 99th percentile dropped from 840 milliseconds to 610.
0:00 / 0:13
Download elevenlabs-v3-technical.mp3
0:00 / 0:14
Download openai-gpt-audio-technical.mp3
Every sample is the model’s first result for the shared scene prompt (no cherry-picking), generated via Runware or Replicate. Hover a copy icon to read the full prompt.
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