TL;DR: Moonshot AI launched Kimi K3, a 2.8 trillion parameter model, claiming it as the first 'open 3T-class model' with competitive performance and pricing.
Summary: Chinese AI lab Moonshot AI announced Kimi K3, their most capable model to date, featuring 2.8 trillion parameters. It is currently accessible via their website and API, with an open-weight release promised by July 27, 2026. Benchmarks show K3 outperforming some top models like Claude Opus 4.8 max and GPT-5.5 high, while offering competitive pricing.
Why it matters: This release introduces a new contender in the large language model space, pushing the boundaries of model scale and performance. AI builders should evaluate Kimi K3 for applications requiring high capability and consider its cost-effectiveness compared to established models.
Source: rss