Controlled Voice Arena LeaderboardArtificial Analysis
Compare TTS models using the same 8 cloned voices (4 US, 4 UK).
Range | Creator | Model | Elo | 95% CI | Samples | Released | API Pricing 1 | |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 |  Cartesia | Sonic 3.5 | 1,100 | -13/13 | 3,478 | May 2026 | $49.0 /1M chars |
| 2 | 2-3 |  ElevenLabs | Eleven v3 | 1,062 | -13/13 | 2,833 | Feb 2026 | $100.0 /1M chars |
| 3 | 2-6 |  StepFun | StepAudio 2.5 TTS | 1,054 | -14/14 | 2,143 | Apr 2026 | $85.0 /1M chars |
| 4 | 2-7 |  Inworld | Realtime TTS 1.5 Max | 1,048 | -15/15 | 2,182 | Jan 2026 | $26.0 /1M chars |
| 5 | 3-7 | Inworld | Realtime TTS-2 - Research Preview | 1,045 | -14/14 | 2,229 | May 2026 | $20.8 /1M chars |
| 6 | 3-7 |  SpaceXAI | SpaceXAI TTS | 1,041 | -14/14 | 2,140 | Mar 2026 | $15.0 /1M chars |
| 7 | 5-8 |  MiniMax | Speech 2.8 HD | 1,034 | -13/13 | 2,787 | Feb 2026 | $100.0 /1M chars |
| 8 | 7-11 | MiniMax | Speech 2.8 Turbo | 1,027 | -13/13 | 2,636 | Feb 2026 | $60.0 /1M chars |
| 9 | 7-13 |  SpeechifyAI | Simba 3.0 | 1,021 | -14/14 | 2,055 | Feb 2026 | $12.5 /1M chars |
| 10 | 8-13 |  Soniox | Soniox TTS Real-Time v1 | 1,016 | -14/14 | 2,413 | Jul 2026 | $14.2 /1M chars |
| 11 | 8-14 | ElevenLabs | Multilingual v2 | 1,014 | -14/14 | 2,553 | Aug 2023 | $100.0 /1M chars |
| 12 | 9-16 |  Mistral | Voxtral TTS  Open Weights | 1,013 | -14/14 | 2,041 | Mar 2026 | $16.0 /1M chars |
| 13 | 9-15 |  Fish Audio | Fish Audio S2 Pro Open Weights | 1,013 | -13/13 | 3,079 | Mar 2026 | $15.0 /1M chars |
| 14 | 11-18 | Fish Audio | OpenAudio S1 Mini | 1,000 | -14/14 | 2,211 | Jun 2025 | $15.0 /1M chars |
| 15 | 15 | Fish Audio | OpenAudio S1 | 1,000 | 0/0 | 3,909 | Jun 2025 | $15.0 /1M chars |
| 16 | 12-18 | Inworld | Realtime TTS 1.5 Mini | 999 | -15/15 | 2,034 | Jan 2026 | $10.4 /1M chars |
| 17 | 14-18 | Fish Audio | Fish Audio S2.1 Pro | 997 | -14/14 | 2,046 | Jun 2026 | $15.0 /1M chars |
| 18 | 14-19 | Fish Audio | Fish Audio S1 | 991 | -13/13 | 2,822 | Oct 2025 | $15.0 /1M chars |
| 19 | 18-22 |  Gradium | Gradium TTS Beta | 980 | -16/16 | 1,381 | Jul 2026 | $47.2 /1M chars |
| 20 | 19-23 | ElevenLabs | Flash v2.5 | 973 | -14/14 | 2,450 | Dec 2024 | $50.0 /1M chars |
| 21 | 19-23 | ElevenLabs | Turbo v2.5 | 970 | -14/14 | 2,283 | Jul 2024 | $50.0 /1M chars |
| 22 | 19-23 |  Smallest.ai | Lightning V3.1 Pro TTS (Jun 2026) | 967 | -14/14 | 2,249 | Jun 2026 | $19.5 /1M chars |
| 23 | 20-24 | Gradium | Gradium TTS | 961 | -15/15 | 1,790 | Jun 2026 | $47.2 /1M chars |
| 24 | 23-25 |  Boson AI | Higgs Audio V3 TTS Open Weights | 951 | -15/15 | 1,751 | Jun 2026 | N/A |
| 25 | 25-27 | Cartesia | Sonic 3 | 936 | -14/14 | 2,537 | Oct 2025 | $49.0 /1M chars |
| 26 | 25-28 |  Noiz | Noiz TTS | 928 | -15/15 | 1,765 | Nov 2025 | N/A |
| 27 | 25-28 |  Resemble AI | Chatterbox  Open Weights | 927 | -14/14 | 2,354 | May 2025 | $25.0 /1M chars |
| 28 | 26-28 |  Microsoft | VibeVoice 7B Open Weights | 919 | -14/14 | 2,322 | Aug 2025 | N/A |
| 29 | 29 |  LMNT | LMNT | 904 | -15/15 | 2,206 | Dec 2023 | $49.0 /1M chars |
| 30 | 30 | Smallest.ai | Lightning v3.1 | 848 | -15/15 | 2,739 | Mar 2026 | $25.0 /1M chars |
| 31 | 31-32 |  Coqui | XTTS v2 Open Weights | 817 | -15/15 | 2,542 | Nov 2023 | $40.4 /1M chars |
| 32 | 31-32 |  OpenVoice | OpenVoice v2 Open Weights | 803 | -16/16 | 2,320 | Apr 2024 | $8.3 /1M chars |
1 API Pricing reflects the cost to generate 1M characters on the model creator's API with the model's default settings