ElevenLabs

Text-to-speech, voices, sound effects and music generation; usable for NPC voice lines and SFX.

Visit official site ↗Free tier + paidCommercial on paid plans only

Verdict: For NPC voice lines and SFX; free-plan output is non-commercial, so a paid plan is required to ship.

Best for
NPC voice lines and SFX on a paid plan
Tasks
Voice & dialogue, Music & SFX
Engines
Any (standard file export / engine-agnostic)
Price & free tier
Free plan 10,000 credits; non-commercial only
Free $0 (10,000 credits). Starter $6, Creator $22 ($11 first month), Pro $99, Scale $299, Business $990 per month. Enterprise custom.
Source: https://elevenlabs.io/pricing
Export formats
MP3 (default), PCM and other API output formats
Source: https://elevenlabs.io/docs/api-reference/text-to-speech/convert
Commercial use & licence
Commercial on paid plans only
Terms: free-plan users may only use the Services for non-commercial purposes; paid-subscription users may use them commercially (subject to the Prohibited Use Policy).
Source: https://elevenlabs.io/terms-of-use
Revenue share / caps
unverified
API
Available REST API
Source: https://elevenlabs.io/docs/api-reference/text-to-speech/convert
MCP server
Official MCP server Hosted MCP server (OAuth)
Source: https://elevenlabs.io/mcp
Last checked

We summarise what the vendor's own pages say on the date above. "Unverified" means we couldn't confirm that detail. Read the vendor's current terms before you ship anything.