Inworld AI by Inworld AI
Inworld offers realtime speech-to-speech, TTS, STT and LLM routing APIs that game studios can use for NPCs that respond to player speech, world state and story context, with viseme timestamps for lip-sync. It works from Unreal, Unity or custom engines over REST, WebSocket or WebRTC, and games are now one of several markets alongside companions, education and voice agents.
What Inworld AI does
Key facts
| Maker | Inworld AI |
|---|---|
| Type | Realtime voice AI for NPCs |
| License | — |
| Interfaces | API, SDK, CLI |
| Works with | Unreal, Unity, custom engines (REST/WebSocket/WebRTC); Node.js and Python SDKs |
Pricing
On-Demand starts free (up to 70 minutes of TTS or 400 minutes of STT free) with pay-as-you-go rates; Creator $25/mo, Builder $100/mo, Developer $300/mo, Growth $1,500/mo with lower per-unit TTS/STT rates; Enterprise custom; LLMs at cost.
Source: official pricing page, checked Oct 9, 2026. Prices change often; confirm before you buy.
Quick answers
- Free to start?Yes
- Open source?No
- Where you use itAPI, SDK, CLI
- Closest alternativeUnity CLI MCP server · all alternatives
Get started with Inworld AI
| npm | npm install -g @inworld/cli |
|---|
These commands use the packages tracked on this page. The vendor may recommend a different installer; see the official documentation.
Inworld AI alternatives
Best Inworld AI alternatives compared · All AI agents for game development
| # | Agent | Gid Score | Downloads 7d | 7d | 30d | VS Code installs | Stars | Latest release | Price | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 13 |
|
67 | — | — | — | — | — | — | Free | ||
| 14 |
|
67 | — | — | — | — | — | — | $10/mo | ||
| 39 |
|
55 | 543K | down 7.3% | — | — | 30.3K+66/day | — | Free + $10/mo | ||
| 116 |
|
36 | 65.9K | up 97.1% | down 23.1% | — | 14.8K+22/day | 10.3.05d ago | Free (OSS) | ||
| 145 |
|
32 | 4,720 | down 46.1% | up 106.5% | — | 5,988+12/day | — | Free (OSS) | ||
| 187 |
|
22 | — | — | — | — | — | — | Free + $15/mo | ||
| No agents match that filter. | |||||||||||
Head to head: Inworld AI vs Unity CLI MCP server · Inworld AI vs Unity in-editor AI assistant · Inworld AI vs MCP for Blender (formerly BlenderMCP) · Inworld AI vs MCP for Unity
Ratings from people who use Inworld AI
No ratings yet. Used Inworld AI? Rate it and say what it is good and bad at.
Inworld AI news
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19 agents added to AgentGid
Unity CLI MCP server, Unity in-editor AI assistant, MCP for Blender (formerly BlenderMCP), Inworld AI, MCP for Unity, Godot MCP, Rtk, Scenario, Rosebud AI, Coplay, Convai, Aura and 7 more
Inworld AI popularity and usage data
Inworld AI was downloaded 438 times from npm in the week ending Oct 7, 2026, up 234.4% on the week before and up 335.9% over the last 30 days compared with the 30 before.
Download the raw daily series: inworld-ai.csv
Gid Score breakdown
Each component is scored 0 to 100 from public signals; a dash means no data for it. Methodology.
Inworld AI FAQ
How much does Inworld AI cost?
On-Demand starts free (up to 70 minutes of TTS or 400 minutes of STT free) with pay-as-you-go rates; Creator $25/mo, Builder $100/mo, Developer $300/mo, Growth $1,500/mo with lower per-unit TTS/STT rates; Enterprise custom; LLMs at cost.
Is Inworld AI open source?
No. Inworld AI is a proprietary product from Inworld AI.
How popular is Inworld AI?
Inworld AI was downloaded 438 times from npm in the week ending Oct 7, 2026, up 234.4% on the week before and up 335.9% over the last 30 days compared with the 30 before.
What are the alternatives to Inworld AI?
The closest alternatives in the same category by Gid Score are Unity CLI MCP server, Unity in-editor AI assistant, MCP for Blender (formerly BlenderMCP), MCP for Unity.
For the makers of Inworld AI badges, corrections
Add a live badge to your README or site:
[](https://agentgid.com/agents/inworld-ai/)[](https://agentgid.com/agents/inworld-ai/)Something wrong or outdated on this page? Send a correction with a link to the official source. More for makers.
Where these numbers come from
npm: @inworld/cli. Site rank: inworld.ai on the Tranco list. See data sources for how each one is collected.
Product facts and pricing were checked against: inworld.ai, docs.inworld.ai.