Convai
NPC & AI characters · Free tier + paid- Commercial use
- Commercial use allowed
- Free plan
- Free plan100 interactions quota
- Ship free-plan output?
- Yes
- Engines
- Unity, Unreal, Roblox
Convai vs Inworld AI
Facts from each vendor's published pages, checked . Compare different tools →
Our ranking
In NPC & AI characters, Convai ranks #1 and Inworld AI ranks #3. No independent quality tests found. Ranked on game-dev fit: commercial use allowed; Unity, Unreal integrations; API.
Inworld AI
Voice & dialogue · Free tier + paid- Commercial use
- Commercial use allowed
- Free plan
- Free planFree pay-as-you-go account
- Ship free-plan output?
- Yes
- Engines
- Unity, Unreal
Bottom line for game devs
- Commercial use: both commercial use allowed (Convai terms; Inworld AI terms).
- Free plan: Convai: free plan (100 interactions quota) pricing. Inworld AI: free plan (Free pay-as-you-go account) pricing.
- Shipping free-plan output in a paid game: both allow it, per their published terms.
- API and MCP: Convai: public API, connects to MCP servers. Inworld AI: public API, official MCP server.
- Engine integrations stated by the vendor: Convai: Unity, Unreal, Roblox. Inworld AI: Unity, Unreal.
Best for
Prototyping conversational NPCs
Realtime TTS and LLM for voiced characters
What it does
Conversational AI characters for games and virtual worlds: NPCs with voice, knowledge and actions.
Realtime text-to-speech and LLM inference platform that can power voiced, interactive characters.
Verdict
For conversational NPCs with a free tier to prototype on; its terms give you ownership of AI-generated content.
For realtime TTS and LLM-driven characters on pay-as-you-go pricing; its terms assign outputs to you.
Tasks●
NPC & AI characters, Voice & dialogue
Voice & dialogue, NPC & AI characters
Engines●
Unity, Unreal, Roblox
Unity, Unreal
Free plan
Free plan 100 interactions quota
Free plan Free pay-as-you-go account
Pricing
Free $0/month (100 interactions quota). Paid tiers listed at $29, $99, $499 and $1,199 per month (lower discounted figures also shown). source
Free pay-as-you-go (US$25 per 1M chars TTS). Subscriptions US$25, US$100, US$300 and US$1,500 per month with included credits and lower rates. source
Export formats●
n/a (runtime service)
Not stated by vendor
Commercial use
Commercial use allowed
Terms of Service: you have ownership over your Customer Content and AI Generated Content. source
Terms of Service: you have ownership over your Customer Content and AI Generated Content. source
Commercial use allowed
Terms: subject to compliance, Inworld assigns to you all of its right, title and interest in Outputs. Pricing page also lists a commercial license. source
Terms: subject to compliance, Inworld assigns to you all of its right, title and interest in Outputs. Pricing page also lists a commercial license. source
Revenue share / caps
Not stated by vendor
Not stated by vendor
MCP server●
Connects to MCP servers. Characters can call external MCP servers source
Official MCP server. MCP server via the Inworld CLI source
Last checked
Rows marked ● differ between the two tools. Licence badges: green = commercial use allowed (including any free plan or trial), amber = paid plans only, restricted, or allowed but with no free plan, red = not allowed, grey = not stated by vendor or not applicable. Read the vendor's current terms before you ship.