Voice AI BenchmarksBy

PROVIDERLAST 30 DAYS

official resource

Palabra voice AI models and benchmarks

Palabra lists 1 TTS model in Coval. Its fastest dated TTS result is Palabra TTS v1 at mean 120 ms time to first audio (7th of 32) among TTS systems, with 2.6% WER. Results cover the last 30 days. Last measured .

Palabra AI develops speech translation and generation services.

Measured models
1
TTS
Best TTS model#7 / 32
120ms
Palabra TTS v1

Overview

The tested model is multilingual and supports voice cloning plus an on-premises deployment option.

Every model below is measured daily on the same fixed inputs and ranked against the full field, never blended into a company score.

Model lineup

Text-to-Speech
Palabra TTS v1

Text-to-Speech

Full TTS dashboard

Ranked on Time to First Audio against 32 measured models.

Time to First Audioms · lower is better · Palabra models markedEvery measured TTS model on Time to First Audio, with Palabra's models highlighted.
  1. #1vui60 ms
  2. #2Default63 ms
  3. #3Qwen3 TTS Fast68 ms
  4. #4TTS Flash 291 ms
  5. #5Qwen3 TTS 1.7b107 ms
  6. #6Simba 3.0111 ms
  7. #7Palabra TTS v1120 ms
leaders plus Palabra models · 25 other models in the full table
Word Error Rate% · lower is better · Palabra models markedEvery measured TTS model on Word Error Rate, with Palabra's models highlighted.
  1. #1Sonic 3.61.5%
  2. #2S2.1 Pro Free1.5%
  3. #3Simba 3.01.5%
  4. #4S2.1 Pro1.5%
  5. #5Lightning v3.1 Pro1.5%
  6. #6Sonic 3.51.5%
  7. #7Chirp 3 HD1.5%
  8. #30Palabra TTS v12.6%
leaders plus Palabra models · 24 other models in the full table
TTFA vs WER — Palabra vs every measured modelEach point is one measured TTS model · Palabra models highlighted · 30-day averagesTime to First Audio against Word Error Rate for every measured TTS model, with Palabra's models highlighted.
vui — 60 ms, 2.1%Default — 63 ms, 1.9%Qwen3 TTS Fast — 68 ms, 1.8%TTS Flash 2 — 91 ms, 1.7%Qwen3 TTS 1.7b — 107 ms, 1.8%Simba 3.0 — 111 ms, 1.5%Simba 3.2 — 126 ms, 1.9%drama3-preview — 169 ms, 2.1%TTS 2 — 191 ms, 1.6%Flash v2.5 — 191 ms, 1.8%Eleven v4 Turbo — 201 ms, 1.7%Flux TTS — 205 ms, 1.7%TTS RT v1 — 254 ms, 2.4%TTS Rt v2 — 256 ms, 2.4%Mist v3 — 287 ms, 2.1%Sonic 3.5 — 293 ms, 1.5%Phantom Z 3.4 conversational — 294 ms, 1.8%Aura 2 — 297 ms, 1.8%Sonic 3.6 — 299 ms, 1.5%Falcon 2 — 302 ms, 1.7%Coda — 332 ms, 9.5%S2.1 Pro — 341 ms, 1.5%Grok TTS — 363 ms, 1.6%S1 — 389 ms, 1.8%Lightning v3.1 Pro — 393 ms, 1.5%Daytona TTS — 486 ms, 1.6%Aura 2 En — 571 ms, 2.1%Chirp 3 HD — 597 ms, 1.5%Qwen3 TTS Flash Realtime — 718 ms, 3.0%S2.1 Pro Free — 850 ms, 1.5%GPT-4o mini TTS — 2582 ms, 1.8%Palabra TTS v1 — 120 ms, 2.6%
Benchmarked models with their Time to First Audio over the last 30 days.
ModelHostTTFARank
Palabra TTS v1Palabra120 ms7th of 32

How fast are Palabra's TTS models?

Palabra TTS v1 measures mean 120 ms time to first audio (7th of 32) among TTS systems. Last measured 2026-10-14.

How accurate are Palabra's TTS models?

Palabra TTS v1 measures 2.6% word error rate (30th of 32) among TTS systems. Last measured 2026-10-14.

Which Palabra model is fastest?

Its fastest dated TTS result is Palabra TTS v1 at mean 120 ms time to first audio (7th of 32) among TTS systems, with 2.6% WER. Last measured 2026-10-14.

Limits of this comparison

Coval measures Palabra TTS v1 through Palabra's first-party synthesis endpoint.

  • Translation and dubbing quality are not part of the TTS latency and intelligibility metrics shown here.

Official resources

Same datasets, prompts and metric definitions for every model, measured by Coval’s open-source runner. Full methodology on the overview.

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