Releases

Moonshot launched Kimi Agent alongside the updated K2 model experience.

Moonshot published the post-trained Kimi K2 Instruct checkpoint for agentic and coding tasks.

Moonshot published the base pretrained Kimi K2 checkpoint.

Moonshot introduced Kimi K2, a one-trillion-parameter mixture-of-experts model with 32B active parameters.

Moonshot released a 72B software-engineering model optimized using reinforcement learning.

Moonshot published a seven-billion-parameter formal theorem-proving model.

Moonshot published the seven-billion-parameter Kimi-Audio checkpoint.

Moonshot introduced an open audio-language model family covering audio understanding and generation.

Moonshot published the reasoning-oriented Kimi-VL A3B Thinking checkpoint.

Moonshot published the instruction-tuned Kimi-VL A3B checkpoint.

Moonshot introduced Kimi-VL, an open-weight mixture-of-experts vision-language family.

Moonshot released a preview checkpoint for formal mathematical theorem proving.

Moonshot introduced the Kimina-Prover line of open models for formal theorem proving.

Moonshot released Moonlight, a 16B MoE model used to evaluate Muon optimization at scale.

Moonshot released Kimi k1.5, a multimodal reasoning model trained with reinforcement learning.

Moonshot introduced its open k-series reasoning work through the Kimi k1.5 release.

Moonshot described k1 as a long-context reinforcement-learning reasoning system.

Moonshot disclosed k0-math as an experimental reinforcement-learning model for mathematical reasoning.

Moonshot raised a reported $300 million round that valued the company at $3.3 billion.

Kimi opened a beta supporting up to two million Chinese characters of context.

Moonshot released Mooncake, a KV-cache-centric architecture for disaggregated large-model serving.

Moonshot began publishing open systems research for efficient long-context model training and serving.

Moonshot raised about $1 billion in a financing round led by Alibaba, reaching a reported $2.5 billion valuation.

Moonshot expanded Kimi from the web to mobile applications.

Moonshot exposed a 128K-context text model through its API.