Voice and text-to-speech Fish Audio vs Piper
Can you ship a game made with Fish Audio or Piper? By stored vendor quotes: Fish Audio: "Paid plan only"; Piper: "Partly verified".
Both columns are the ledger's stored values. Open the tool page for the full quote and source link. This page does not invent a winner.
A paid plan is the shipping path. Free-plan output is not cleared for commercial use.
Commercial terms are only partly verified. This is not a yes.
Built only from rows with a stored vendor quote. Open each tool page for the exact sentence, source link, and fetch date.
| Fact | Fish Audio | Piper |
|---|---|---|
| Pricing | Fish Audioverified Free is $0 (no card) with 8,000 credits a month, up to 7 minutes of generation. Plus is $15/month, or $11/month billed annually ($132/year), with 250,000 credits and up to 200 minutes. | Piperverified Piper is software you install yourself (pip install piper-tts). There is no paid plan; compute is on you. |
| Commercial use | Fish Audioverified The Terms of Use (effective Aug 18, 2024) license Paid Services users for commercial uses. The pricing FAQ adds that Free plan users can only use generated content for personal, non-commercial projects. | Piperverified Piper's voice docs say Piper is intended for personal use and TTS research, that it adds no restrictions of its own on voice models, and that some voices have restrictive licenses. Check each voice's MODEL_CARD. |
| Ownership of outputs | Fish Audiounverified Unverified. | Piperunverified Unverified. |
| License caveat | Fish Audioverified Free plan output is personal, non-commercial only. Paid commercial use covers verified voices you own, so do not ship a cloned voice you have no rights to. | Piperverified Piper's official setup.py declares the license GPL-3.0-or-later. That governs the engine's code if you ship or modify it, not the audio you generate. |
| Steam disclosure | Fish Audioverified Player-facing art, sound, narrative, or localization made with this tool is the kind of shipped content Steam's Content Survey asks about (Pre-Generated). This is Valve's rule, not a statement from the vendor. | Piperverified Player-facing art, sound, narrative, or localization made with this tool is the kind of shipped content Steam's Content Survey asks about (Pre-Generated). This is Valve's rule, not a statement from the vendor. |
| Engines and export | Fish Audioverified Paid (Premium) subscribers get pay-as-you-go API access, so lines can be generated from a pipeline or engine tool. No engine plugin is listed on the pricing page. | Piperverified Piper has a command-line tool, a web server, a Python API and a C/C++ API, and a Java binding is listed. It names no Unity, Godot or Unreal plugin. |