Unverified50% confidenceFactExact time
stability controls the randomness of speech output: the lower the value, the greater the intonation variation and the stronger the expressiveness, but instability or weird emphasis is more likely; the higher the value, the smoother and more consistent the output, suitable for long narration, but it may sound flat.
1
Sources
50%
Confidence
Long-term
Relevance
10/12/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedIn production environments, the weight given to call stability is even higher than the pleasantness of the voice.77% similarUnverifiedElevenLabs' stability parameter (range 0–1) controls the consistency of generated speech; higher values produce more stable output with less emotional variation, making it suitable for broadcast scenarios.75% similar
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