// scorecard · 51/100
verified 1mo agoAgent-readiness23/35
Agent registration (api_key)6/9
Public API5/5
OpenAPI spec9/9
MCP server0/9
llms.txt3/3
Reliability & performance0/15
Actively maintained—
Production-ready0/4
Updated recently—
Pricing12/13
Itemized public pricing6/6
Free tier / trial4/4
Free-tier generosity2/3
Docs & DX2/12
Docs quality—
Public API2/2
Quickstart / examples0/2
Security & compliance10/12
SOC 26/6
ISO 270010/2
GDPR2/2
Security / trust page2/2
Openness4/10
Open source0/6
Open / un-gated API4/4
Company maturity0/3
Company size—
Years operating—
// rankings · cost per standard workload
#8 in Text-to-Speech$25/ 1M chars
Realtime TTS-2 on-demand $25/1M chars (volume → $10)
inworld.ai/pricing// overview
Inworld AI provides realtime text-to-speech (TTS-2), speech-to-text, and LLM routing APIs optimized for low-latency conversational voice AI. It supports voice cloning from 15s audio, text-based voice design, bracketed voice direction, and 100+ languages with cross-lingual cloning. Targeted at scalable voice agents for companions, education, wellness, and interactive media.
Best for: Realtime voice AI apps needing natural low-latency TTS, voice cloning and steering at scale
// pricing
Free tier · generosity 3/5
Includes: 70 min TTS · 100 custom voices · At-cost LLMs · Commercial license
Limits: Evaluation/prototyping only
On-Demandfree
- 70 min TTS
- 100 custom voices
- At-cost LLMs
Creator$25/mo
- $25 credits
- Up to 33% off rates
- 500 custom voices
Builder$100/mo
- $100 credits
- Up to 40% off rates
- 3,000 custom voices
Developer$300/mo
- $300 credits
- Up to 47% off rates
- 10,000 custom voices
Growth$1,500/mo
- $1,500 credits
- Up to 53% off rates
- 30,000 custom voices
Enterprisecustom
- Custom rates as low as $5/M chars
- SLA, DPA, on-prem options
// security & compliance
✓ SOC 2✗ ISO 27001✓ GDPR✓ HIPAA
// features
- Realtime TTS <130ms first-chunk latency
- Voice cloning from 15s audio + text-based voice design
- Bracketed instructions for tone/speed/style control
- 100+ languages with cross-lingual cloning
- LLM Router at 0% markup
- SOC 2 Type II, HIPAA, GDPR, ZDR compliance