AI news this week: Kling 4.0 launches 30-second native generation, Grok Voice 3.0 leads speech index, Gemini 4 Argon API pricing set

This week, 13-19 October 2026, Kling AI unveiled Kling 4.0 with 30-second native generation, xAI’s Grok Voice 3.0 topped speech benchmarks, and Google’s Gemini 4 Argon launched with new API pricing.

Video

Kling AI ships Kling 4.0

Kling AI officially launched Kling 4.0, its new-generation video generation model, on October 15, 2026. The model focuses on realism, control and professional quality for intense motion and complex camera work.

Wan 3.0 pricing update

CostGoat’s pricing guide was updated on October 19, 2026, showing the live rate for Wan 3.0 at $0.050 per second of video on the Fal API.

Audio

xAI releases Grok Voice 3.0

xAI’s Grok Voice 3.0 went live on October 14, 2026, with the grok-voice-latest alias updated automatically. The model tops the Artificial Analysis speech-to-speech index at 86.9 while maintaining the same $0.08 per minute price.

OpenAI launches GPT-Live-1.1

OpenAI’s GPT-Live-1.1 voice model was announced on October 15, 2026, adding new voices across six languages, more natural accents and fewer awkward silences while searching.

Harnesses & open source

Meta releases Muse Spark Open 816B

Meta released the open-weight Muse Spark Open 816B multimodal model on October 15, 2026. The mixture-of-experts model has 816 billion total parameters and about 42 billion active per token, accepting text, images, video and audio inputs.

Google launches Gemini 4 Argon API

Google announced the Gemini 4 Argon frontier model on October 13, 2026, with API pricing at $2 per million input tokens and $10 per million output tokens. The model is available through Google Cloud and targets complex multi-step work across coding, finance, law, cybersecurity and science.

Items were checked against their primary sources on 2026-10-19.

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