hexgradFish AudioAudio matchupSpeech output
Kokoro-82Mvs.Fish Audio S2 Pro
Which model is better?
Fish Audio S2 Pro is slightly ahead in independent tests, but the lead is not certain.
Independent testsHume AI
Kokoro-82M0 of 1
Fish Audio S2 Pro0 of 1
Popularityout of 100
Kokoro-82M51
Fish Audio S2 Pro51
Weights and access
Kokoro-82Mopen, local
Fish Audio S2 Proopen, local
SizeParameters
Kokoro-82M0.08 B
Fish Audio S2 Pron/a
Pick Kokoro-82M for
No clear edge
Pick Fish Audio S2 Pro for
leaning Hume AI
Shared tests
Independent evaluators and leaderboards only, the newest shared snapshot per evaluator. With 95 % ranges a lead counts when they do not overlap; for hit rates, when it holds in a 95 % test. Without any uncertainty figure at most “slightly ahead”.
Hume AI
Fish Audio S2 Pro slightly aheadHume Real World VoiceEQ expressivity-reliability frontier score
Kokoro-82M54.0
Fish Audio S2 Pro72.0
as of October 17, 2026
Source · latest October 17, 2026
All data side by side
Prices are verbatim from the provider, because audio models bill per minute, character or token.
| Kokoro-82M | Fish Audio S2 Pro | |
|---|---|---|
| Task | Speech output | Speech output |
| Developer | hexgrad | Fish Audio |
| Status | Active | Open weights |
| Released | December 25, 2024 | March 9, 2026 |
| Weights | open | open |
| Runs locally | yes | yes |
| Parameters | 0.08 B | n/a |
| Popularity (out of 100) | 51 | 51 |