AI Industry Surge: Record Funding, New Voice Model, and Open‑Source Video Breakthroughs

In early April 2024 the global AI sector entered an unprecedented burst of activity, highlighted by record financing and rapid product releases.

OpenAI secured $122 billion in private financing, pushing its post‑money valuation to $852 billion, with Amazon leading a $50 billion tranche and a $150 billion immediate‑cash component tied to an IPO or AGI milestone by the end of 2028.

ByteDance unveiled the native full‑duplex voice model “Seeduplex”, rolling it out across the Doubao app and shifting AI voice interaction from command‑oriented to conversational, supporting simultaneous listening and speaking, interruption, emotion awareness and noise robustness.

The open‑source video‑generation model HappyHorse‑1.0 (anonymous) dominated the Artificial Analysis video arena, achieving an Elo score of 1332 on April 10 and 1333 on April 8, with win rates of 80 % over OVI 1.1 and 60.9 % over LTX 2.3, establishing it as the leading global open‑source video model.

On April 8 major AI players OpenAI, Anthropic and Google announced a joint alliance to counteract Chinese competitors’ model‑distillation efforts, as reported by Bloomberg and the Los Angeles Times.

OpenAI also disclosed that its next‑generation general‑purpose model GPT‑6 (code‑named “spud”) will be released globally on April 14. The model promises a 40 % performance boost over GPT‑5.4 and expands the context window from 1 million to 2 million tokens, enabling processing of roughly 1.5 million words in a single prompt.

Anthropic completed a $400 million acquisition of the biotech‑focused AI startup Coefficient Bio, integrating its team into Anthropic’s medical and life‑science division led by Eric Kauderer‑Abrams.