Compare · Audio
ByteDance Seed Audio 1.0 vs ElevenLabs v3
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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ByteDance's audio generation model that reads a script word for word or builds a whole scene from one prompt, with a described voice, ambience, music and sound effects, and clones a voice from short reference clips.
Learn more about Seed Audio 1.0 →Cloud
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ElevenLabs' most expressive voice model with rich emotional and tonal range.
Learn more about v3 →Overview
Creator
ByteDance
ElevenLabs
Released
Jun 2026
Mar 2026
Available on
RunwareOpenRouter
ReplicateElevenLabs
Model ID
bytedance/seed-audio-1.0
elevenlabs/v3
Specs
Pricing
$0.0025 per second
$0.10 / 1k chars
Type
Text-to-speech
Text-to-speech
Voice controls
Speed
Speed, Stability, Similarity
Output formats
MP3, WAV, FLAC, OGG
MP3, WAV_44100
Voices
-
26 to choose from
Languages
-
Multilingual
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 / 0:14
Download bytedance-seed-audio-1-0-narration.mp3
0:00 / 0:10
Download elevenlabs-v3-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 / 0:10
Download bytedance-seed-audio-1-0-expressive.mp3
0:00 / 0:08
Download elevenlabs-v3-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 / 0:14
Download bytedance-seed-audio-1-0-technical.mp3
0:00 / 0:13
Download elevenlabs-v3-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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