Maya 2 Global
Listed Proprietary · Maya Research
3.5
/100
Maya 2 Global is a proprietary text-to-speech (TTS) API from Maya Research, measured by one independent benchmark, Artificial Analysis.
Artificial Analysis
Resemble AI Chatterbox Resemble AI · text-to-speech (TTS) API
ListedSpeech Arena Elo 1,023 on Artificial Analysis, latency not measured; ranked 89th (tied) of 112 in the TTS for Voice Agents 2026 index.
Benchmark summary: 3.5/100, ranked 89th (tied) of 112 in the TTS for Voice Agents 2026 index (Listed). Strongest criterion: price, 1.2 of 5 points.
Resemble AI Chatterbox is an open-weights text-to-speech (TTS) API from Resemble AI, measured by one independent benchmark, Artificial Analysis.
Overall score
3.5 /100
Score breakdown
- Real-time speed 0 /60
- Voice quality 2.3 /20
- Accuracy 0 /15
- Price 1.2 /5
Data checked on September 30, 2026
Updated after each benchmark capture
Every point comes from a public benchmark: sources · methodology
Resemble AI Chatterbox ranks 89th of 112 in the 2026 text-to-speech (TTS) API benchmark, with a score of 3.5/100.
Real-time latency
Neither Coval nor Speko measures Resemble AI Chatterbox'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), Resemble AI Chatterbox has an Elo of 1,023 (±12, 95% confidence) from 4,609 blind comparisons, 71st highest of the 92 models Artificial Analysis rates.
Price
Artificial Analysis lists Resemble AI Chatterbox at $25 per 1M characters (41st lowest of the 78 models Artificial Analysis lists a price for).
Benchmark measurements
Artificial Analysis Speech Arena
- Speech Arena Elo (blind listener preference)
- 1,023
- Elo 95% interval (±)
- 12
- Arena rank
- 71
- Arena rank range
- 65-73
- Arena appearances
- 4,609
- Voices tested
- 8
- Price per 1M characters
- 25 USD
- Released
- May 2025
- Artificial Analysis model
- Chatterbox
- 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
Similar TTS models
MiniMax T2A-01-Turbo
Listed Proprietary · MiniMax
3.5
/100
MiniMax T2A-01-Turbo is a proprietary text-to-speech (TTS) API from MiniMax, measured by one independent benchmark, Artificial Analysis.
Artificial Analysis
OpenVoice v2
Listed Open weights · OpenVoice
3.8
/100
OpenVoice v2 is an open-weights text-to-speech (TTS) API from OpenVoice, measured by one independent benchmark, Artificial Analysis.
Spanish French Japanese Chinese
+1