Deconstructing Scaling Laws: The Triad of Optimization, Architecture, and Data
This is so creative, I love this video!!
Cool
Done.
Will do
true. it is the same model
@kimmonismus moonshot confirmed during a Reddit AMA today that the released MXFP4 quantization is the exact same format used for their hosted API, so self-hosted inference quality should match what people have already been testing since the July 16 launch.
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So many technical details. Proud of what the team shipped.
Releasing the model weights and technical report of Kimi K3.
Kimi K3 is our most capable model: a 2.8T MoE model with native visual understanding and a 1M-token context window.
New model architecture: 2.5x the intelligence per unit of compute, not just more params.
Alongside Kimi K3, we're opening up more of the stack behind it — high-performance attention kernels, MoE communication library, and infrastructure for running agent environments at scale.
Model weights:
Tech report:
Tech blog:
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For my first post, I’m sharing a letter @NVIDIA signed on why open models matter.
AI will transform every industry, power every company, and be built by every country.
Open models strengthen safety and cybersecurity, accelerate innovation and diffusion, and enable sovereignty.
The world needs both frontier closed models and frontier open models.
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Good. Could be even better.
BREAKING: Kimi K3 by @Kimi_Moonshot is 1st overall on 3D Design with an Elo of 1450.
This is a 6 position and 108 Elo jump from @Kimi_Moonshot's previous model, Kimi K2.6. This performance puts Kimi K2.6 82 Elo ahead of Claude Fable 5 by @AnthropicAI in 2nd and 87 Elo ahead of GLM 5.2 by @Zai_org in 3rd.
Congratulations to the @Kimi_Moonshot team on this accomplishment!
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true
Prediction is compression. Same thing.
BREAKING: Kimi K3 by @Kimi_Moonshot is officially 1st on Frontend Web App Arena by DesignArena
With an Elo of 1326, this open-weight model leads the way, ahead of Fable 5, Sonnet 5, and Opus 4.8 by @AnthropicAI
Huge congrats to the @Kimi_Moonshot team for this achievement!
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we're working extremely hard with our partners to open the weights as soon as possible
So cool!
你敢信？ 这是我单靠一张嘴撸出来的啊！
你可要知道这个东西之前JigSpace就靠这个发家致富的啊～
太特么细腻和细节到位了…
I’m a huge Hollow Knight fan working at Kimi. Before K3 was released, I used Hollow Knight assets to build a game where the Knight battles Kimi.
Try it here:
You’re also very welcome to check out the other projects on K399. They’re all a lot of fun!
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Kimi Code for sure.
@zxytim Which is the best harness to get the best perf out of K3 in practice? I know Kimi Code is official and recommended but which really is the number one target harness?
Come and play games made by Kimi K3 at 😘
K3 一句话 prompt 做的小游戏们，K3 实在是太擅长做小游戏了，已经玩疯了
（记得用电脑玩…）
No.
We are focused on intelligence frontier right now. Video generation does not bring much intelligence both theoretically and practically.
It is useful though.
@zxytim Do you plan make video generation model?
We need open source seedance alternative better than ltx
Fun fact: Design work on Kimi Delta Attention started in Jan 2025. It took a year and a half of relentless iteration and fighting through scaling problems to bring it to the frontier.
Kudos to the amazing team!
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Remember, this is the worst model we will have in the future
