Neural2
Jun 2022
Neural2Compare inonAA TTS provider voice
$16per 1M characters
894arena Elo
Jun 2022released
Exact native tariff; see source for billing scope.Price covers
Ranking?
Full ranking →···
92Polly Neural895.993Neural2894.494StyleTTS 2890.5Strong at
Alternatives?
ModelScoreCostPriceWhat changes
SCheaperSimba 3.2wins 89%-59%$6.58KBetterKokoro 82M v1.0Openwins 72%-94%$0.99
OpenFish Audio Drama 3 Previewwins 88%-6%$15
CheaperVoxtral 3 TTSwins 87%-19%$13ICheaperRealtime TTS-2 Flashwins 86%-35%$10.42ModelScoreCostPriceWhat changes
SSimba 3.2wins 89%-59%$6.58Fish Audio Drama 3 PreviewOpenwins 88%-6%$15Voxtral 3 TTSwins 87%-19%$13IRealtime TTS-2 Flashwins 86%-35%$10.42VLuna TTSwins 86%-6%$15ModelScoreCostPriceWhat changes
KKokoro 82M v1.0Openwins 72%-94%$0.99WaveNetwins 53%-75%$4SSimba 3.2wins 89%-59%$6.58SSimba 3.0wins 78%-59%$6.58Gemini 2.5 Flash Lite TTSwins 75%-43%$9.15ModelScoreCostPriceWhat changes
Fish Audio Drama 3 PreviewOpenwins 88%-6%$15BBreeze TTS 2Openwins 87%+113%$34AMing 3.0 TTSOpenwins 85%——Fish Audio S2 ProOpenwins 78%-6%$15
Step Audio EditX (Mar 2026)Openwins 77%——ModelScoreCostPriceWhat changes
Gemini 3.8 Flash TTSwins 90%—*—Gemini 3.8 Flash-Lite TTSwins 89%—*—Gemini 3.1 Flash TTSwins 86%——Gemini 2.5 Flash Lite TTSwins 75%-43%$9.15Journeywins 74%+900%$160Studiowins 74%+900%$160Gemini 2.5 Flash TTS (Dec 2025)wins 73%-43%$9.15Chirp 3: HDwins 72%+88%$30All Google models →Benchmarks
in Speech & VoiceAA TTS provider voice894.4#93
FAQ
How much does Neural2 cost?›
$16 per 1M characters.
Is Neural2 free to use?›
There is no free API; it costs $16 per 1M characters.
How good is Neural2, and what is it best at?›
#91 of 96 in Text to speech.
Is Neural2 better than Polly Neural?›
On AA TTS provider voice, Neural2 scores 894.4 vs 895.9 — about the same. It is 0% more expensive.
When was Neural2 released? Is there a newer version?›
Released 2022-06-27. It is the current version in its line.
Is Neural2 open source?›
No, Neural2 is a closed model available through an API. The closest open-weights option here is Fish Audio Drama 3 Preview.
What is Neural2?›
Neural2 is a closed speech & voice model from Google, released Jun 2022.
What are the best alternatives to Neural2?›
Simba 3.2 (cheaper), Kokoro 82M v1.0 (better), Fish Audio Drama 3 Preview (open weights).