ElevenLabs Eleven Flash v2.5 | Cartesia Sonic 3.5 | |
|---|---|---|
| $/1M chars | $50.00 | $50.00 |
| Voice quality | neural | neural |
| Voice cloning | ✓ included | ✓ included |
| Voice count | — | — |
| Languages | 32+ | 42+ |
| SSML support | — | ✓ |
| TTFB | 75ms | 90ms |
| Output formats | mp3_44100_128, pcm_16000, wav_44100, opus_48000_128, ulaw_8000, alaw_8000 | raw/pcm_f32le, raw/pcm_s16le, raw/pcm_mulaw, raw/pcm_alaw, wav, mp3 |
| Verified | 2026-07-27 | 2026-07-27 |
| Source | provider page ↗ | provider page ↗ |