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[GH-ISSUE #20057] feat: allow model-specific query parameters for TTS #19072
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Originally created by @manuhortet on GitHub (Dec 20, 2025).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/20057
Problem Description
It is not possible right now to set different configurations for TTS with different models.
Desired Solution you'd like
This issue discusses the possibility of setting complete model-specific TTS configurations: https://github.com/open-webui/open-webui/issues/3097
But with anything OpenAI-like being able to just set the additional parameters JSON would already go a long way.
Opening this issue in case that's lower hanging.
@owui-terminator[bot] commented on GitHub (Dec 20, 2025):
🔍 Similar Issues Found
I found some existing issues that might be related to this one. Please check if any of these are duplicates or contain helpful solutions:
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by TheRealPSV • Jan 06, 2025
#3097 enh: Allow setting TTS voice selection per model
by oss001 • Jun 12, 2024 •
enhancement,good first issue#3347 feat: Configure TTS voice per Model
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by Mikikrus • Dec 08, 2025
#12159 feat: allow specifying extra model parameters
by solesensei • Mar 28, 2025
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#19580 feat: Please let me disable TTS
by PaulKlumpp • Nov 28, 2025
#4834 enh: advanced options for TTS integrations
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@Classic298 commented on GitHub (Dec 20, 2025):
but you can already pass extra parameters in the audio config in the additional parameters field as json?
@manuhortet commented on GitHub (Dec 29, 2025):
@Classic298 - Not per model, which is what I need. Or am I missing something?
@Classic298 commented on GitHub (Dec 29, 2025):
Ah. Per model. I must have only read the issue description.
No per model is not possible currently.
But it seems your issue is a duplicate/extension of https://github.com/open-webui/open-webui/issues/3097 so the discussion should be continued there