AI for game dev · GD4
Voice and dialogue for NPCs
6 candidates. None have been tested, so this list is alphabetical, not a rank.
Standard test task
Voice 10 lines for 2 characters and run a short in-engine conversational NPC; judge quality, latency, cost.
Not tested yet. A dash is an empty score, not a zero. We do not estimate results, prices, or ranks.
Not tested
Cartesia
Low-latency voice models
- Job resultWeight 40
- —
- Speed and effortWeight 15
- —
- Price and free tierWeight 15
- —
- Ease of startWeight 10
- —
- Reliability and trustWeight 10
- —
- Community signalWeight 10
- —
- Last tested
- Not tested yet
- Evidence
- No test evidence yet.
No score. We do not estimate one.
Not tested
Charisma.ai
Freemium
Free tier
Pricing being checked
Why this price is unverified
unverified (pricing page JS-rendered) https://charisma.ai/pricing
Interactive story/NPC dialogue platform
- Job resultWeight 40
- —
- Speed and effortWeight 15
- —
- Price and free tierWeight 15
- —
- Ease of startWeight 10
- —
- Reliability and trustWeight 10
- —
- Community signalWeight 10
- —
- Last tested
- Not tested yet
- Evidence
- No test evidence yet.
No score. We do not estimate one.
Not tested
Convai
Freemium
Free tier
Pricing being checked
Why this price is unverified
unverified (pricing page not fetchable: bot-blocked/JS/no /pricing)
Conversational NPCs for Unity/Unreal
- Job resultWeight 40
- —
- Speed and effortWeight 15
- —
- Price and free tierWeight 15
- —
- Ease of startWeight 10
- —
- Reliability and trustWeight 10
- —
- Community signalWeight 10
- —
- Last tested
- Not tested yet
- Evidence
- No test evidence yet.
No score. We do not estimate one.
Not tested
ElevenLabs
Voices, SFX and music generation
- Job resultWeight 40
- —
- Speed and effortWeight 15
- —
- Price and free tierWeight 15
- —
- Ease of startWeight 10
- —
- Reliability and trustWeight 10
- —
- Community signalWeight 10
- —
- Last tested
- Not tested yet
- Evidence
- No test evidence yet.
No score. We do not estimate one.
Not tested
Hume AI
Free tier + usage based
Free tier
Pricing being checked
Why this price is unverified
unverified (pricing page JS-rendered) https://www.hume.ai/pricing
Expressive voice AI
- Job resultWeight 40
- —
- Speed and effortWeight 15
- —
- Price and free tierWeight 15
- —
- Ease of startWeight 10
- —
- Reliability and trustWeight 10
- —
- Community signalWeight 10
- —
- Last tested
- Not tested yet
- Evidence
- No test evidence yet.
No score. We do not estimate one.
Not tested
Inworld AI
Real-time AI NPC characters and TTS
- Job resultWeight 40
- —
- Speed and effortWeight 15
- —
- Price and free tierWeight 15
- —
- Ease of startWeight 10
- —
- Reliability and trustWeight 10
- —
- Community signalWeight 10
- —
- Last tested
- Not tested yet
- Evidence
- No test evidence yet.
No score. We do not estimate one.
Weights and rules are on How we rank.