Inworld
Inworld AI
★ #29 in Conversational AIProduct status: Status not recorded
No lifecycle review is recorded for this listing. Its inclusion in the directory does not confirm current availability; check the vendor before relying on it.
No status check date recorded
A developer platform for realtime speech and model inference, with metered text-to-speech, transcription and separately contracted deployment options. No lifecycle review is recorded for this listing. Its inclusion in the directory does not confirm current availability; check the vendor before relying on it.
Product preview
Decision notes
Official-document research
Based on the cited documentation. We did not use the product, purchase a plan, or run quality, speed or reliability tests in this review.
Consider it for
- Developers able to review model, voice-consent and deployment conditions.
Choose another approach if
- Work requiring universal zero retention or unconditional perpetual output use.
- PHI inputs to the voice services covered by their prohibition.
Pricing and conditions
Documented terms
The page uses $ without a verified ISO currency: On-Demand has a $0 base, then TTS2 $25/1M characters, Flash $15/1M and STT1 $0.15/hour. Creator $25/month includes $25 credits with TTS2 $20/1M, Flash $10/1M and STT $0.10/hour. Taxes are additional; region and rounding need confirmation. Monthly credits roll up to three months only with an active same/higher-value plan; top-ups expire after one year. End-of-period downgrade/cancellation forfeits remaining credits. Inference shares the same credits balance as speech, but input/output/cache tokens have model-specific rates rather than speech unit prices; annual checkout and customer hosting require separate confirmation. ZDR is a Growth add-on or Enterprise entitlement, not every plan.
Pricing source read:
Pricing or terms sourceCode, model and service licensing
Proprietary services/models have limited internal-business rights; customer hosting needs an Order Form and is not an open-source grant. Inputs remain yours and Inworld assigns its output rights, without exclusivity or third-party clearance. Terms require deletion of Services, Models and Outputs on termination, despite allowing some downloads during service. Nonpublic materials are excluded from general-model training except feedback and trust/safety cases; public materials are not covered. Voice terms additionally license voice/persona processing and improvement, require authorization and prohibit PHI. Third-party model policies apply separately. The general privacy policy excludes enterprise processor data, so no blanket zero-retention or perpetual commercial-export right is established.
Basis and limits of the recorded score
The existing 4.4 score is retained; its original scoring evidence is unavailable. This documentation review did not measure performance or compare products and did not re-score it.
Overview
This is the Inworld platform entry. Current documentation covers TTS, STT, Realtime and inference services, including third-party models. The former NPC-only description did not establish today's full platform scope or current rights to every historical game-engine integration. It is replaced with documented services, without claiming the old character engine or the brand has closed. Voice characters, transcription hours and inference input/output/cache tokens are distinct billing units; a low rate for one model is not a platform-wide price.
Sources
The factual claims in this review were read from the pages below. Each date is when an editor last opened the source, not when the product changed.
- Vendor documentation Checked 2026-10-15
- Vendor pricing page Checked 2026-10-15
- Vendor documentation Checked 2026-10-15
- Vendor documentation Checked 2026-10-15
- Vendor documentation Checked 2026-10-15
- Vendor documentation Checked 2026-10-15
Pros / Cons
Pros
- Speech and inference services have public integration documentation.
- Pricing distinguishes base plans, credit conditions and metered services.
Cons
- Third-party models, voices and customer hosting have separate rights.
- Cancellation can forfeit credits and termination terms require output deletion.
Who it's for
Prototype an authorized voice or transcription integration.
Compare a selected model's metering and deployment agreement.
Bottom line
Choose a specific service and contract before budgeting; public speech pricing does not settle all inference, hosting or output-use rights.
Key Features
Tags
Frequently asked questions
Is Inworld currently available?
No lifecycle review is recorded for this listing. Its inclusion in the directory does not confirm current availability; check the vendor before relying on it.
What is Inworld?
Inworld is a Conversational AI tool developed by Inworld AI. A developer platform for realtime speech and model inference, with metered text-to-speech, transcription and separately contracted deployment options.
What costs and terms should I check for Inworld?
The page uses $ without a verified ISO currency: On-Demand has a $0 base, then TTS2 $25/1M characters, Flash $15/1M and STT1 $0.15/hour. Creator $25/month includes $25 credits with TTS2 $20/1M, Flash $10/1M and STT $0.10/hour. Taxes are additional; region and rounding need confirmation. Monthly credits roll up to three months only with an active same/higher-value plan; top-ups expire after one year. End-of-period downgrade/cancellation forfeits remaining credits. Inference shares the same credits balance as speech, but input/output/cache tokens have model-specific rates rather than speech unit prices; annual checkout and customer hosting require separate confirmation. ZDR is a Growth add-on or Enterprise entitlement, not every plan.
Is Inworld open source?
Proprietary services/models have limited internal-business rights; customer hosting needs an Order Form and is not an open-source grant. Inputs remain yours and Inworld assigns its output rights, without exclusivity or third-party clearance. Terms require deletion of Services, Models and Outputs on termination, despite allowing some downloads during service. Nonpublic materials are excluded from general-model training except feedback and trust/safety cases; public materials are not covered. Voice terms additionally license voice/persona processing and improvement, require authorization and prohibit PHI. Third-party model policies apply separately. The general privacy policy excludes enterprise processor data, so no blanket zero-retention or perpetual commercial-export right is established.
What are the best alternatives to Inworld?
Notable Conversational AI alternatives include ChatGPT, Claude, Gemini. Browse all 67 tools in our Conversational AI category for a full overview.
Was this listing useful?
Basic Info
- Pricing
- Pay-as-you-go
The page uses $ without a verified ISO currency: On-Demand has a $0 base, then TTS2 $25/1M characters, Flash $15/1M and STT1 $0.15/hour. Creator $25/month includes $25 credits with TTS2 $20/1M, Flash $10/1M and STT $0.10/hour. Taxes are additional; region and rounding need confirmation. Monthly credits roll up to three months only with an active same/higher-value plan; top-ups expire after one year. End-of-period downgrade/cancellation forfeits remaining credits. Inference shares the same credits balance as speech, but input/output/cache tokens have model-specific rates rather than speech unit prices; annual checkout and customer hosting require separate confirmation. ZDR is a Growth add-on or Enterprise entitlement, not every plan.
- Editorial score
- ★ 4.4 / 5 How we score
- Platforms
- APIWeb
- Last verified
- Not recorded
