Project AURIONAI Use-Cases Research & Innovation
LLM

Kimi K2.6

LLM from Moonshot AI.

Moonshot AIMoonshot AIChinaKimiFamily
Moonshot AI
Levelmodel
ClassLLM
Parameters1T
Contextnot in the notes
ReleasedApr 2026
Opennessopen weights restricted
Runs onnot in the notes
Statusactive

Benchmark Results

vendor-reportedindependent
Arena Text leaderboardhuman preference arena
independent
1,461 ±4
1,2001,4001,600

Score in Elo; the axis starts at 1,200, as Elo has no zero. Higher is better.

Arena Text overall8 Oct 2026 arena.ai
SWE-bench Verifiedcoding
vendor-reported
80.2
050100

Score in %. Higher is better.

leaderboard.steel.dev
Where this comes from
Every score names who ran it: vendor-reported, maintainer-run or independent. A rank is shown with the population it was ranked in (gap rule 3).

Lineage

finetunesuccessor
Kimi K2.5 to Composer 2.5: finetune, medium confidenceKimi K2.5 to Kimi K2.6: successor, medium confidenceKimi K2.6 to Kimi K2.7 Code: finetune, high confidenceKimi K2.6 to Kimi K3: successor, medium confidenceKimi K2 Thinking to Kimi K2.5: successor, medium confidenceKimi K3 to SWE-2: finetune, medium confidenceKimi K2 ThinkingKimi K2 ThinkingMoonshot AIKimi K2.5Kimi K2.5Moonshot AI, Jan 2026Kimi K2.6Kimi K2.6Moonshot AI, Apr 2026Composer 2.5Composer 2.5Anysphere (Cursor), May 2026Kimi K2.7 CodeKimi K2.7 CodeMoonshot AI, Jun 2026Kimi K3Kimi K3Moonshot AI, Jul 2026SWE-2SWE-2Cognition (owns Windsurf), Sep 20…
Moonshot AIKimi K2.5 is the parent (successor)medium confidencenotes
Moonshot AIKimi K2.7 Code is a child (finetune)high confidencemodel card
Moonshot AIKimi K3 is a child (successor)medium confidencenotes
Where this comes from
Parent and child relations from model cards, Hugging Face base_model fields and the genealogy tables of the research notes. The tree shows two generations each way, 7 models. Confidence and evidence are the notes' own.

R&D Topics

Open-weight frontier releases as research substrateused by

Identity

Developer
Moonshot AI
Family
Kimi
Released
Apr 2026 sourcessecondary report
Weights published
19 May 2026
Record checked
10 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.

Architecture and Size

Architecture
MoE
Total parameters
1T sources
Active parameters
–
Checkpoint parameters
–
Context length
not in the notes
Input
text
Output
text
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).

Openness and Access

Openness
open weights restricted
Licence
Modified MIT (Moonshot AI) sources
Access routes
not in the notes
Where this comes from
The licence file governs over registry tags and aggregator labels.

Deployment

Runs on
not in the notes
Footprint
not in the notes
Runtimes
not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.

Indonesia

Indonesian support
not stated
Regional languages
not in the notes
Jakarta hosting
unknown
Languages
not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.

Industry Use Cases

No industry use case links this model.

Sources

  1. Kimi (AI) - Wikipedia en.wikipedia.org https://en.wikipedia.org/wiki/Kimi_(chatbot)
  2. huggingface.co/moonshotai https://huggingface.co/moonshotai
  3. huggingface.co/moonshotai https://huggingface.co/moonshotai
  4. leaderboard.steel.dev/leaderboards/swe-bench-verified.md https://leaderboard.steel.dev/leaderboards/swe-bench-verified.md
  5. Kimi K3 Open Weights Ship: 2.8T Parameters, 1.4 TB to Run rits.shanghai.nyu.edu https://rits.shanghai.nyu.edu/ai/kimi-k3-open-weights-ship-2-8t-parameters-1-4-tb-to-run/
  6. Text Arena: LLM Rankings & AI Model Benchmarks arena.ai https://arena.ai/leaderboard/chat/text

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Kimi K2.6", https://aurion.semai.id/models/moonshot-ai-kimi-k2-6/, records of October 2026.