Fish Audio S2 Pro vs Gradium TTS Beta

    Comparison

    Compare Avg Price, Text to Speech, license, and release date. Search any text-to-speech model with the pickers below.

    Fish Audio S2 Pro

    Fish Audio

    N/A

    Gradium TTS Beta

    Gradium

    N/A

    Metric
    Fish Audio S2 Pro
    Gradium TTS Beta
    Avg Price
    N/A
    N/A
    Text to Speech
    N/A
    N/A
    Text to Speech win rate
    N/A
    N/A
    Release date
    2026-03-10
    2026-07-30
    License
    Proprietary
    Proprietary
    Provider
    Fish Audio
    Gradium

    Fish Audio S2 Pro vs Gradium TTS Beta FAQ

    Which is cheaper, Fish Audio S2 Pro or Gradium TTS Beta?

    Neither Fish Audio S2 Pro nor Gradium TTS Beta has a public Avg Price in this index yet, so we cannot name a cheaper text-to-speech API from list rates alone.

    Which ranks higher, Fish Audio S2 Pro or Gradium TTS Beta?

    Fish Audio S2 Pro currently leads on Text to Speech: N/A for Fish Audio S2 Pro vs N/A for Gradium TTS Beta. Rank and price move independently, so the cheaper text-to-speech model is not automatically the weaker one.

    Is Fish Audio S2 Pro or Gradium TTS Beta open source?

    Fish Audio S2 Pro is proprietary (Proprietary). Gradium TTS Beta is proprietary (Proprietary). Open-weight models can be self-hosted; proprietary ones are billed only through the provider API on this page.

    How do I switch the models in this Fish Audio S2 Pro vs Gradium TTS Beta comparison?

    Use the model pickers at the top of this page. Search any text-to-speech model in the index and the URL updates to a new comparison, the same way LLM comparison pages work. Open either model from the sidebar for the single-model Avg Price page.

    What data is used for Fish Audio S2 Pro vs Gradium TTS Beta?

    This comparison uses public llm-stats and ZeroEval arena data for text-to-speech models, then normalizes Avg Price, Text to Speech, license, and release date inside AnotherWrapper. Treat the numbers as comparable public list rates, not a quote from either vendor.

    All Speech Models

    Next step

    You found the model. Now ship the product.

    Auth, billing, and the API layer are already decided. Fork 8 finished AI apps, or have us build the first version with you.