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Gradium AI launches new TTS model with 81% hard-case pass rate

Gradium AI has launched a new default text-to-speech model, reporting an 81.0% human-rated pass rate on a challenging set of sentences across five languages. This new model significantly improves upon its predecessor, offering a 216 ms time-to-first-audio, which is 170 ms faster. The company has made its 500-sentence evaluation dataset publicly available on Hugging Face for transparency and further research. AI

IMPACT This release sets a new benchmark for accuracy and speed in text-to-speech models, potentially influencing the development of more robust voice agents for customer service and other applications.

RANK_REASON New default TTS model release from Gradium AI with performance metrics and comparisons. [lever_c_demoted from frontier_release: ic=2 ai=1.0]

Read on Mastodon — mastodon.social →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

Gradium AI launches new TTS model with 81% hard-case pass rate

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Signal score
0 / 100
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Newsworthiness bucket
Significant
New default TTS model release from Gradium AI with performance metrics and comparisons. [lever_c_demoted from frontier_release: ic=2 ai=1.0]
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2 independent sources
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model release, product
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High
Clearly on-topic for AI-industry coverage.
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58 days old
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COVERAGE [2]

  1. MarkTechPost TIER_1 English(EN) · Michal Sutter ·

    Gradium AI Releases New Default TTS Model: 81.0% Hard-Case Pass Rate at 216 ms Time-to-First-Audio

    <p>Speed and accuracy usually pull against each other in text-to-speech. Gradium AI's new default model reports both: an 81.0% human-rated pass rate on 500 hard sentences across five languages, at 216 ms P50 time-to-first-audio on Coval. The evaluation set is open on Hugging Face…

  2. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    Gradium AI has released a new default text-to-speech model achieving an 81.0% human-rated pass rate on a 500-sentence hard-case set across five languages. The m

    Gradium AI has released a new default text-to-speech model achieving an 81.0% human-rated pass rate on a 500-sentence hard-case set across five languages. The model delivers 216ms median time-to-first-audio, 170ms faster than its predecessor. The evaluation set is openly availabl…