Rime Mist V2
Listed Proprietary · Rime
1.8
/100
Rime Mist V2 is a proprietary text-to-speech (TTS) API from Rime, measured by one independent benchmark, Artificial Analysis.
Artificial Analysis
Coqui XTTS v2 Coqui · text-to-speech (TTS) API
ListedSpeech Arena Elo 915 on Artificial Analysis, latency not measured; ranked 108th of 112 in the TTS for Voice Agents 2026 index.
Benchmark summary: 1.7/100, ranked 108th of 112 in the TTS for Voice Agents 2026 index (Listed). Strongest criterion: price, 0.8 of 5 points.
Coqui XTTS v2 is an open-weights text-to-speech (TTS) API from Coqui, measured by one independent benchmark, Artificial Analysis.
Overall score
1.7 /100
Score breakdown
- Real-time speed 0 /60
- Voice quality 0.9 /20
- Accuracy 0 /15
- Price 0.8 /5
Data checked on September 30, 2026
Updated after each benchmark capture
Every point comes from a public benchmark: sources · methodology
Coqui XTTS v2 ranks 108th of 112 in the 2026 text-to-speech (TTS) API benchmark, with a score of 1.7/100.
Real-time latency
Neither Coval nor Speko measures Coqui XTTS v2's latency, so it scores 0 of 60 on real-time speed and does not appear in the real-time ranking.
Accuracy (word error rate)
No accuracy measurement: Coval does not measure its word error rate and Speko does not rate its pronunciation robustness, so accuracy counts 0 of 15.
Voice quality
In the Artificial Analysis Speech Arena (capture of October 1, 2026), Coqui XTTS v2 has an Elo of 915 (±15, 95% confidence) from 2,530 blind comparisons, 83rd highest of the 92 models Artificial Analysis rates.
Price
Artificial Analysis lists Coqui XTTS v2 at $40.4 per 1M characters (52nd lowest of the 78 models Artificial Analysis lists a price for).
Scoring note
Artificial Analysis changed its Speech Arena Elo between the captures of September 30, 2026 and October 1, 2026 without a new measurement date (916, then 915): the score uses the average, 915.5. The value shown is the latest.
Languages tested
Tested in Spanish, German, French, Portuguese, Chinese, Arabic and Hindi by Artificial Analysis or Speko. A language missing here was not tested, which does not mean it is unsupported.
Benchmark measurements
Artificial Analysis Speech Arena
- Speech Arena Elo (blind listener preference)
- 915
- Elo 95% interval (±)
- 15
- Arena rank
- 84
- Arena rank range
- 82-85
- Arena appearances
- 2,530
- Price per 1M characters
- 40.4 USD
- Released
- Nov 2023
- Artificial Analysis model
- XTTS v2
- Artificial Analysis leaderboard
- artificialanalysis.ai
Not collected
- Speed (Coval time to first audio) — not measured by Coval (capture of 2026-10-01, 30-day window); counts 0
- Speed (Speko time to first audio) — not measured by Speko (capture of 2026-10-01); counts 0
- Quality (Speko naturalness) — not measured by Speko (capture of 2026-10-01); counts 0
- Accuracy (Coval word error rate) — not measured by Coval (capture of 2026-10-01, 30-day window); counts 0
- Accuracy (Speko robustness) — not measured by Speko (capture of 2026-10-01); counts 0
- Price (Speko cost per 1M characters) — not measured by Speko (capture of 2026-10-01); counts 0
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