Charisma.ai
NPC & AI characters · Pay as you go- Commercial use
- Commercial use allowed
- Free plan
- Paid onlyNo free plan; pay as you go
- Ship free-plan output?
- No free plan
- Engines
- Unity, Unreal
Charisma.ai vs Inworld AI
Facts from each vendor's published pages, checked . Compare different tools →
Our ranking
In NPC & AI characters, Charisma.ai ranks #2 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 (Charisma.ai terms; Inworld AI terms).
- Free plan: Charisma.ai: paid only (No free plan; pay as you go) pricing. Inworld AI: free plan (Free pay-as-you-go account) pricing.
- Shipping free-plan output in a paid game: only Inworld AI allows it, per their published terms.
- API and MCP: Charisma.ai: public API, MCP not stated by vendor. Inworld AI: public API, official MCP server.
- Engine integrations stated by the vendor: both: Unity, Unreal.
Best for
Story-driven AI character conversations
Realtime TTS and LLM for voiced characters
What it does
Platform for building interactive stories and AI character conversations, with script flow tools and AI voices, published to web, VR or game engines via SDKs.
Realtime text-to-speech and LLM inference platform that can power voiced, interactive characters.
Verdict
For story-driven AI character conversations on pay-as-you-go credits; its terms assign input and output rights to the customer.
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
Unity, Unreal
Free plan●
Paid only No free plan; pay as you go
Free plan Free pay-as-you-go account
Pricing
PRO: pay as you go, US$5 per 50,000 credits (approx. 200 experience minutes). Enterprise: custom. 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: the customer (story owner) is deemed owner of Input and Output and Charisma assigns those rights to the customer, subject to its terms. source
Terms: the customer (story owner) is deemed owner of Input and Output and Charisma assigns those rights to the customer, subject to its terms. 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●
Not stated by vendor. Not checked
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.