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AI · July 13, 2025

Kimi K2

The 1T parameter open model for agentic intelligence

Kimi K2 launched on July 13, 2025 with 345 votes, #76 of 9,224 launches that month and more than 99% of that year's launches. The site was still online in September 2026, 1 year on.

In plain words

Kimi K2 is a 1-trillion parameter open-source mixture-of-experts model from Moonshot AI with 32 billion active parameters. It is designed for developers and researchers working on coding, reasoning, and agentic tasks. The model comes in base and instruction-tuned versions and is available as open-source software for integration into applications requiring advanced AI capabilities.

written from the facts on this page · September 2026

From the sources

Kimi K2 by Moonshot AI is a new 1T parameter open-source MoE model (32B active). It delivers state-of-the-art performance on coding, reasoning, and agentic tasks. Base and Instruct models are now available.

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.

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