# Moonshot AI — Kimi K2

- Company: Moonshot AI (moonshot.ai)
- Announced: 2025-07-11T00:00:00+00:00
- Category: open-weight-release
- Subject: Kimi
- Open weights: yes
- Models affected: Kimi K2, Kimi-K2-Base, Kimi-K2-Instruct
- Context window: 256K context
- Source: https://www.kimi.ai/blog/kimi-k2
- Record: https://forck.live/items/4629-kimi-k2

Moonshot AI announces Kimi K2, a Mixture-of-Experts model with 32 billion activated parameters and 1 trillion total parameters, optimized for agentic tasks and open-sourced as Kimi-K2-Base and Kimi-K2-Instruct.

## Evidence

Verbatim from https://www.kimi.ai/blog/kimi-k2:

> Kimi K2 is our latest Mixture-of-Experts model with 32 billion activated parameters and 1 trillion total parameters. It achieves state-of-the-art performance in frontier knowledge, math, and coding among non-thinking models. But it goes further — meticulously optimized for agentic tasks, Kimi K2 does not just answer; it acts. And now, it is within your reach. Today, we are open-sourcing: Kimi-K2-Base: The foundation model, a strong start for researchers and builders who want full control for fine-tuning and custom solutions. Kimi-K2-Instruct: The post-trained model best for drop-in, general-purpose chat and agentic experiences.

---

Record: https://forck.live/items/4629-kimi-k2
Catalogue: https://forck.live/llms.txt
Feed: https://forck.live/feed.md