LessWrong posts by zvi
LessWrong posts by zvi
zvi
“Kimi K2.5” by Zvi
22 minutes Posted Feb 4, 2026 at 3:31 pm.
Wu Haoning (Kimi): We [...] ---Outline:
Official Introduction
On Your Marks
Positive Reactions
Skeptical Reactions
Kimi Product Accounts
Agent Swarm
Who Are You?
Export Controls Are Working
Where Are You Going?
Safety Not Even Third
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I had to delay this a little bit, but the results are in and Kimi K2.5 is pretty good.
Table of Contents
Official Introduction.
On Your Marks.
Positive Reactions.
Skeptical Reactions.
Kimi Product Accounts.
Agent Swarm.
Who Are You?
Export Controls Are Working.
Where Are You Going?
Safety Not Even Third.
It's A Good Model, Sir.
Official Introduction
Introducing Kimi K2.5,
Kimi.ai: Meet Kimi K2.5, Open-Source Visual Agentic Intelligence.
Global SOTA on Agentic Benchmarks: HLE full set (50.2%), BrowseComp (74.9%)
Open-source SOTA on Vision and Coding: MMMU Pro (78.5%), VideoMMMU (86.6%), SWE-bench Verified (76.8%)
Code with Taste: turn chats, images & videos into aesthetic websites with expressive motion.
Agent Swarm (Beta): self-directed agents working in parallel, at scale. Up to 100 sub-agents, 1,500 tool calls, 4.5× faster compared with single-agent setup.
K2.5 is now live on
http://kimi.com
in chat mode and agent mode.
K2.5 Agent Swarm in beta for high-tier users.
For production-grade coding, you can pair K2.5 with Kimi Code.
API here. Tech blog here. Weights and code here.
Wu Haoning (Kimi): We [...] ---Outline:(
00:16) Official Introduction(03:16) On Your Marks(06:10) Positive Reactions(08:33) Skeptical Reactions(11:05) Kimi Product Accounts(11:39) Agent Swarm(13:06) Who Are You?(15:48) Export Controls Are Working(16:24) Where Are You Going?(19:47) Safety Not Even Third(20:55) It's A Good Model, Sir ---
First published:
February 4th, 2026
Source:
https://www.lesswrong.com/posts/omSudRiFDvtNRrxZS/kimi-k2-5
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Narrated by TYPE III AUDIO.
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