ITG NowKimi K3
Moonshot AI · Released 13 Jun 2026 · Open weights
The open model people rate highest for chat and writing on LMArena right now; very large, so most people use it through a hosted service.
Key facts
- Maker
- Moonshot AI
- Released
- 13 Jun 2026
- Open weights
- Yes, you can download it and run it yourself
- License
- Kimi K3 license: free to use with conditions
- Size
- 2.78T total (Hugging Face count) parametersB = billion, T = trillion. Bigger usually needs a stronger computer.
- Official page
- Official page for Kimi K3 (huggingface.co)
Scores
"Independent" = run by an outside group. "Maker's own number" = the company's own claim.
All-roundArtificial Analysis Intelligence Index
44 index points #8 of 17 models scored independent
One combined score from many independent tests of how smart a model is.
setting: max · as of 18 Oct 2026 · source
Chat & writingLMArena Text
1487 Arena score #4 of 15 models scored independent
When real people compare two AI answers side by side without knowing which AI wrote them, which one do they pick more often?
setting: Max · as of 15 Oct 2026 · source
Build websites & appsLMArena WebDev
1655 Arena score #5 of 18 models scored independent
When people ask two AIs to build the same website or app and compare the results, which one do they pick?
setting: Max · as of 17 Oct 2026 · source
CodingLiveBench 2.0 Coding
59.3 score out of 100 #14 of 15 models scored independent
Fresh coding tasks with tests that check the answer, changed often so models cannot memorize them.
setting: highest supported effort · as of 14 Oct 2026 · source
ReasoningLiveBench 2.0 Reasoning
90.7 score out of 100 #5 of 15 models scored independent
Fresh logic and puzzle questions with one right answer, changed often so models cannot memorize them.
setting: highest supported effort · as of 14 Oct 2026 · source
New puzzlesARC-AGI-2
60.4% #8 of 11 models scored independent
New picture puzzles a model has never seen, so it has to reason instead of remember. Harder for AI than for people.
setting: Max, $1.59 per task · as of 18 Oct 2026 · source
SpeedOutput speed
42 tokens per second #14 of 16 models scored independent
How many tokens (pieces of words) per second the model writes once it starts answering. Higher is faster.
setting: max · as of 18 Oct 2026 · source
How it compares
The 3 models closest to Kimi K3 on the Artificial Analysis Intelligence Index, an all-round score. Kimi K3: 44 index points, #8 of 17 models scored.
News about Kimi K3 on ITG Now
No stories about Kimi K3 on ITG Now yet.
FAQ
Is Kimi K3 free and open?
Kimi K3 has open weights: you can download it and run it on your own computer or server. License: Kimi K3 license: free to use with conditions.
How much does Kimi K3 cost?
There is no listed price per token. It has open weights, so you can run it yourself or through a host you pick.
What is Kimi K3 best at?
The open model people rate highest for chat and writing on LMArena right now; very large, so most people use it through a hosted service. Its best result: #4 of 15 models scored on LMArena Text (chat & writing).
Who makes Kimi K3?
Kimi K3 is made by Moonshot AI. It came out on 13 Jun 2026.