Convai vs Inworld AI

Facts from each vendor's published pages, checked 2026-10-17. No scores and no winner: pick based on what you need.

	Convai	Inworld AI
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	Any (standard file export / engine-agnostic)	Any (standard file export / engine-agnostic)
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 ($25 per 1M chars TTS). Subscriptions $25, $100, $300 and $1,500 per month with included credits and lower rates. source
Export formats	n/a (runtime service)	unverified
Commercial use	Commercial use allowed 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
Revenue share / caps	unverified	unverified
API	Available. Character and core APIs source	Available. TTS, STT and LLM APIs source
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	2026-10-17	2026-10-17

"Unverified" means we couldn't confirm that detail on the vendor's own pages. Read the vendor's current terms before you ship.