AI News
18,465 stories from 3131 sources · 490 in the last 24 hours · refreshed hourly. Every story links to the original publisher.
Today's AI news from trusted publishers and official AI lab blogs, refreshed about every 30 minutes.
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- Introducing Inworld InferenceInworld · toolsWe rebuilt how open models are served for consumer apps, from the attention kernels to the cache router. Today it is open to every developer.
- We have acquired Ultravox to Advance Realtime Voice AIInworld · toolsInworld has acquired Ultravox, the platform developers use to build real-time voice agents. Built-in Inworld voices on Ultravox now run on Realtime TTS-2, with no code changes required.
- Realtime TTS-2: A new frontier voice model that feels as human as it soundsInworld · toolsA new frontier voice model that feels as human as it sounds. Hears the conversation, takes voice direction in plain English, and holds one voice across over 100 languages.
- Introducing the Inworld TTS Open Evaluation ToolkitInworld · toolsAn open source framework for reproducible TTS evaluation. Local ASR, explicit normalization, per-sample measurements, and offline reports you can trace back to the audio.
- Building conversational voice agents with Mastra + Inworld speech to speechInworld · tools@mastra/voice-inworld-realtime collapses STT, LLM, and expressive realtime TTS into one WebSocket, with semantic VAD, barge-in, and tool calling out of the box. Bind Inworld speech to speech to a Mastra Agent in under 100 lines of TypeScript.
- Cost is the wall in front of consumer AI. We are taking it down.Inworld · toolsConsumer AI was priced for the enterprise, and that arithmetic is where good products die. We are cutting the cost of the whole stack in half or more for most developers, across text-to-speech, speech-to-text, the LLM, and compute, and lowering it further as you scale.
- Realtime voice agents can now see, listen, and engageInworld · toolsInworld TTS-2 + Stream Vision Agents build AI voice agents that read emotions, respond in real time — sub-200ms latency, 100+ languages, full context.
- Beyond Quality: Emotionality and ExpressivenessInworld · toolsStandard TTS benchmarks miss emotional depth. Inworld's framework measures arousal and prosodic variation — the metrics that actually predict user engagement.
- Inworld TTS-1.5: Upgrading the #1 Ranked TTS Model with Production-Grade Latency, Expression and StabilityInworld · toolsTTS-1.5 Max hits P90 under 250ms. Mini under 130ms. 40% fewer word errors, 30% more expressive, 15 languages including Hindi. Built for production scale.
- Talkpal AI scales to 5 million language learners with Realtime TTSInworld · toolsHow Talkpal cut TTS costs by 40% while improving retention and free-to-paid conversion
- Introducing timestamp alignment, WebSockets and more for Realtime TTSInworld · toolsNew Realtime TTS features: custom pronunciation APIs, word and character timestamps for lipsync, WebSocket streaming, Russian language support, and quality improvements.
- The 3 Engineering Challenges of Realtime Conversational AIInworld · toolsBuilt from our learnings in latency and iteration speed, Inworld Runtime is the C++ engine for realtime AI agents. SDKs for Node.js, Unity, & Unreal.
- The complete guide to measuring and optimizing TTS latencyInworld · toolsLearn how to measure TTS latency accurately across providers. Understand how WebSocket, streaming, and audio post-processing affect latency, and try our interactive demo to benchmark latency across providers.
- Unreal AI Runtime: The first unified interactive AI toolkit for game developersInworld · toolsThe first unified toolkit for building realtime interactive AI experiences in Unreal. With 100+ models, built-in observability, and an intuitive visual editor.
- Introducing Inworld CLIInworld · toolsInworld CLI - a unified toolkit for building, deploying, and optimizing realtime conversational AI and voice agents
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