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Convai vs Inworld AI

A side-by-side comparison of Convai and Inworld AI, drawn from Ignaite's continuously-verified listings.

Compared from listings verified as of

Convai

Gaming

Conversational AI characters and NPCs for games and virtual worlds.

View Convai

Inworld AI

Voice

A full-stack voice runtime for building human-sounding AI agents.

View Inworld AI

At a glance

Feature comparison of Convai and Inworld AI
AttributeConvaiInworld AI
Category (differs)GamingVoice
PricingFREEMIUMFREEMIUM
LicenseProprietaryProprietary
DeploymentCloudCloud
Platforms (differs)Web, APIAPI
Model supportMulti-modelMulti-model
Vendor (differs)Convai Technologies, Inc.Inworld AI
Capabilities (differs)
  • Voice agent
  • Agent memory
  • Transcription (STT)
  • Speech synthesis (TTS)
  • Lip-sync
  • Roleplay characters
  • Voice agent
  • LLM gateway / routing
  • Model inference / serving
  • Speech synthesis (TTS)
  • Transcription (STT)
  • Voice cloning

The honest brief

Convai

Purpose-built for embodied 3D NPCs — perception, in-world actions, and lip-sync — beyond text-only character chatbots.

  • Multimodal NPC perception (see/hear)
  • Unity, Unreal & PlayCanvas SDKs
  • Long-term character memory
  • 65+ languages, 500+ voices
  • Free playground to start
  • Requires game-engine integration
  • Latency depends on the cloud
  • Niche to games/virtual worlds
  • Advanced features need paid tiers

Inworld AI

Bundles STT, LLM routing, and TTS into one voice pipeline, priced aggressively for consumer-scale voice agents.

  • Integrated full-stack voice pipeline
  • OpenAI Realtime-compatible API
  • Aggressive usage-based pricing at scale
  • Free on-demand tier for prototyping
  • Developer API, not an end-user app
  • Pivoted from its original character-engine focus
  • Voice quality varies by model tier

When to pick which

Both cover Voice agent, Transcription (STT), and Speech synthesis (TTS).

Pick Convai if you need Agent memory, Lip-sync, and Roleplay characters.

  • Agent memory (secondary capability)
  • Lip-sync (secondary capability)
  • Roleplay characters (primary capability)

Pick Inworld AI if you need LLM gateway / routing, Model inference / serving, and Voice cloning.

  • LLM gateway / routing (secondary capability)
  • Model inference / serving (secondary capability)
  • Voice cloning (secondary capability)

Inworld AI leans on Speech synthesis (TTS) as a headline capability; Convai treats it as secondary.

  • Speech synthesis (TTS) (primary capability)

They also differ on:

Platforms
Web, API · API
Convai detailsInworld AI details