South Korean AI chip maker Rebellions secures $400 million funding ahead of planned IPO later this year, challenging Nvidia's market dominance in AI inference processors.

Rebellions raised $400 million in a pre-IPO funding round, valuing the company at $2.3 billion

The startup specializes in designing chips optimized for AI inference workloads

The company plans to go public later this year as part of its growth strategy

Rebellions positions itself as a competitor to Nvidia in the increasingly competitive AI chip market