Voice and text-to-speech Piper vs Typecast
Can you ship a game made with Piper or Typecast? By stored vendor quotes: Piper: "Partly verified"; Typecast: "Paid, or free with credit".
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.
Commercial terms are only partly verified. This is not a yes.
Paid plans are the cleaner shipping path. Free-plan output needs the attribution the license requires.
Built only from rows with a stored vendor quote. Open each tool page for the exact sentence, source link, and fetch date.
| Fact | Piper | Typecast |
|---|---|---|
| Pricing | Piperverified Piper is software you install yourself (pip install piper-tts). There is no paid plan; compute is on you. | Typecastverified Free is $0 with 3,000 lifetime download credits (about 5 minutes of audio). Generating and playing back voices is free on every plan; credits are spent when you download. |
| Commercial use | 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. | Typecastverified Anything downloaded on the Free plan must carry attribution. |
| Ownership of outputs | Piperunverified Unverified. | Typecastverified The Studio Terms of Use say that, subject to the terms and during a valid subscription period, you keep ownership of your content and own the output. |
| License caveat | 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. | Typecastverified Generated audio can be downloaded and used only during your subscription. After it expires, you can keep using audio you already downloaded, but you can't make new edits or downloads. |
| Steam disclosure | 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. | Typecastverified 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 | 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. | Typecastverified There is no engine plugin. You export audio files and import them into Unity or Unreal as standard audio assets. |