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Documentation Index

Fetch the complete documentation index at: https://docs.inworld.ai/llms.txt

Use this file to discover all available pages before exploring further.

Choose a plan and get credits each month to use across TTS, STT, LLM Router, and Realtime API (Speech to Speech). Higher tiers unlock features, volume discounts, increased limits and more.

Pricing

View the pricing page.

Portal Billing

View and manage your plan.

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Plans

On-DemandCreatorDeveloperGrowthEnterprise
PriceFree$25/mo$300/mo$1,500/moCustom
Best for      Prototyping        Individual creatorsProduction applicationsHigh-volume, complianceLarge-scale deployments, compliance
Please see our Pricing Page for more details about each plan, including model pricing, available features, and rate limits. Paid plans include credits equal to the plan price each billing cycle. Unused credits on all paid plans (Creator and above) roll over for up to 3 months with an active subscription. Your credit balance is displayed at the top of the Billing page. Credits are consumed by API and Playground usage across all products (TTS, STT, LLM Router, Realtime). You can upgrade your subscription at any time, and any unused credits from your previous plan will be credited to the new one. Any outstanding unpaid usage at the time of upgrade will be immediately charged. If you need more credits than provided in your selected plan, you can:
  • Add credits — Click Add credits to purchase more. The minimum purchase is $10. You will be redirected to a secure checkout page, and credits are applied immediately upon payment.
  • Auto-reload — Enable auto-reload to automatically purchase credits when your balance falls below a threshold you set. Configure the reload amount and threshold from the Billing page.
Enterprise accounts are billed per their agreement. Credit purchases are not available for enterprise plans.
To downgrade your plan or unsubscribe, please email support@inworld.ai.

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Realtime API pricing

The Realtime API combines TTS, STT, and LLM capabilities into a single session. Usage is billed based on the underlying TTS, STT, and LLM usage at your tier’s rates. See the Pricing Page for the latest pricing.

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Realtime API features and limits by plan

Your subscription plan determines how many requests can be processed simultaneously.
On-DemandCreatorDeveloperGrowthEnterprise
Concurrent sessions21060100Custom
Concurrency limits apply per account and are shared across API keys.
Available features also vary by subscription tier, including:
  • HIPAA & BAA
  • Zero data retention
  • On-prem deployment
See the Pricing Page for a full breakdown of features by plan.