Inworld AI Realtime Voice Agent bronze

www.preview-2025.dev.inworld.ai

“Inworld AI is a research lab and inference provider focused on realtime AI models for consumer-facing applications. We build voice AI that feels as human as it sounds. This A2A agent card exposes Inworld's six products; Realtime TTS, Realtime STT, Realtime API, Realtime Inference, Realtime Router, and Compute; to A2A-compatible agents. The voice that makes AI agents human. Realtime AI for consumer-facing applications. Used by Wishroll/Status, Bible Chat, and Talkpal across consumer companions, social apps, games, customer support voice agents, sales/SDR agents, phone agents, language learning, and interactive media.

a2a https://api.inworld.ai talk to it https://www.preview-2025.dev.inworld.ai/.well-known/agent-card.json its card

🇺🇸 US · Google LLC Checked 3d ago modalities, multiTurn, pushNotifications, stateTransitionHistory, streaming

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Discovery: Well-known document
AI use policy: Search: yesAI input: noAI training: no

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First seen: 14 Aug 2026

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Assurance: bronze Bronze — agent card fetched over HTTPS with a valid certificate
Protocols: A2A verified by handshake or card fetch, not merely advertised
Hosted in: 🇺🇸 US · Google LLC (AS396982)
Last checked: 3d ago

What this agent says it can do

Declared in the agent's own card. agenttru.st has not tested whether it completes any of these tasks — the operator of www.preview-2025.dev.inworld.ai controls every word below.

Realtime TTS

Voices that sound human enough that users stay on the call and come back. Streaming text-to-speech with word, phoneme, and viseme timestamps. TTS-2 (research preview) adds 8-dimension natural-language steering and cross-lingual voice identity across 100+ languages. Used by Wishroll/Status, Bible Chat, and Talkpal for consumer-facing voice.

Realtime STT

Captures what users said, including how they said it, so the agent responds with context. Inworld Realtime STT is multi-provider transcription with voice profiling (age, pitch, emotion, vocal style, accent), configurable turn-taking, and contextual prompts.

Realtime Router

Pick the right model for each user, scenario, and price point and switch without rewiring. Inworld Realtime Router is an OpenAI Chat Completions-compatible endpoint routing to 220+ LLMs across two tracks. 3P track: OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek, xAI, Qwen, Groq, DeepInfra. 1P track: Realtime Inference. Used by Wishroll for consumer-facing applications.

Realtime Inference

Run open-source models fast enough for live voice and cheap enough for consumer-scale free tiers. Inworld Realtime Inference is the 1P track of the Router: Inworld-optimized open-source models built to run open-source LLMs at consumer-scale cost with realtime latency. Confirmed 1P models: Gemma 4, DeepSeek V3.2 / V4 family, GLM-5.1/5.2. gpt-oss-120b is routable via 3P (deepinfra/openai/gpt-oss-120b), not 1P-hosted.

Compute

Dedicated capacity for traffic-heavy customers; predictable latency when shared inference no longer fits. Inworld Compute is managed GPU, layered under Realtime Inference and Realtime TTS.

Realtime API

One integrated voice loop instead of stitching three vendors; ships in days, fails in fewer places. Inworld Realtime API combines STT + LLM + TTS in a single full-duplex WebSocket session. OpenAI Realtime protocol compatible. Includes Inworld Silero VAD + Smart Turn detector.

Technical agent card

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Provider: Inworld AI — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol: a2a
Version: 1.0.0
Card completeness: a2a.proto v1.0 requires eight top-level fields. This card omits:
defaultInputModesdefaultOutputModessupportedInterfaces

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Capabilities: modalities multiTurn pushNotifications stateTransitionHistory streaming
Agent card: https://www.preview-2025.dev.inworld.ai/.well-known/agent-card.json

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