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 Convai
Facts from each vendor's published pages, checked . Compare different tools →
Our ranking
In NPC & AI characters, Convai ranks #1 and Charisma.ai ranks #2. No independent quality tests found. Ranked on game-dev fit: commercial use allowed; Unity, Unreal integrations; API.
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
Bottom line for game devs
- Commercial use: both commercial use allowed (Charisma.ai terms; Convai terms).
- Free plan: Charisma.ai: paid only (No free plan; pay as you go) pricing. Convai: free plan (100 interactions quota) pricing.
- Shipping free-plan output in a paid game: only Convai allows it, per their published terms.
- API and MCP: Charisma.ai: public API, MCP not stated by vendor. Convai: public API, connects to MCP servers.
- Engine integrations stated by the vendor: Charisma.ai: Unity, Unreal. Convai: Unity, Unreal, Roblox.
Best for
Story-driven AI character conversations
Prototyping conversational NPCs
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.
Conversational AI characters for games and virtual worlds: NPCs with voice, knowledge and actions.
Verdict
For story-driven AI character conversations on pay-as-you-go credits; its terms assign input and output rights to the customer.
For conversational NPCs with a free tier to prototype on; its terms give you ownership of AI-generated content.
Tasks
NPC & AI characters, Voice & dialogue
NPC & AI characters, Voice & dialogue
Engines●
Unity, Unreal
Unity, Unreal, Roblox
Free plan●
Paid only No free plan; pay as you go
Free plan 100 interactions quota
Pricing
PRO: pay as you go, US$5 per 50,000 credits (approx. 200 experience minutes). Enterprise: custom. source
Free $0/month (100 interactions quota). Paid tiers listed at $29, $99, $499 and $1,199 per month (lower discounted figures also shown). source
Export formats
n/a (runtime service)
n/a (runtime service)
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 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
Revenue share / caps
Not stated by vendor
Not stated by vendor
MCP server●
Not stated by vendor. Not checked
Connects to MCP servers. Characters can call external MCP servers 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.