Voice and text-to-speech Piper vs WellSaid
Can you ship a game made with Piper or WellSaid? By stored vendor quotes: Piper: "Partly verified"; WellSaid: "Paid plan only", cheapest verified commercial plan $10/mo (billed yearly).
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.
A paid plan is the shipping path. Free-plan output is not cleared for commercial use.
Built only from rows with a stored vendor quote. Open each tool page for the exact sentence, source link, and fetch date.
| Fact | Piper | WellSaid |
|---|---|---|
| Pricing | Piperverified Piper is software you install yourself (pip install piper-tts). There is no paid plan; compute is on you. | WellSaidverified The free trial needs no credit card and allows 3 download minutes per month, with no commercial rights. |
| 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. | WellSaidverified The free trial's download minutes are labeled 'no commercial rights', so trial audio should not ship in a game. |
| Ownership of outputs | Piperunverified Unverified. | WellSaidunverified Unverified. |
| License caveat | Piperverified The piper-tts package is GPL-3.0-or-later. That governs the engine's code if you ship or modify it, not the audio you generate. | WellSaidverified The listed prices apply to new customers; existing customers on other plans are told to contact support to change plans. Paid plans meter downloaded minutes, not generation. |
| 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. | WellSaidverified Voice lines made with this tool and shipped in the game are the kind of 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. | WellSaidverified The plan comparison lists export formats as MP3 on Trial and Starter, MP3 and TXT on Pro, and MP3, WAV, OGG, and TXT on Business and Enterprise. Game engines are not named. |