Kimi-K2-Thinking

deprecatedother1026B

Long-term thinking, multi-step tool usage, complex problem solving.

Context
262K
Max output
33K

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Infrastructure
Streaming
Fine-tuning

Details

Model IDmoonshotai/Kimi-K2-Thinking
Provider Hugging Face
Creator Moonshot AI (Kimi)
FamilyKimi-K2
Licenseother
Statusdeprecated
Typechat
Input modalitiestext
Output modalitiestext
Open weightYes
Parameters1026B
Architecturetransformer
Context window262K tokens
Max input—
Max output33K tokens
Reasoning tokensYes
Knowledge cutoff—
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Family Comparison: Kimi-K2

ModelContextMax out
Kimi-K2-Instruct-0905262K—
Kimi-K2-Instruct131K—
Kimi-K2-Thinking262K33K

API

GET/v1/models/huggingface/moonshotai/Kimi-K2-Thinking

Kimi-K2-Thinking

deprecated
moonshotai/Kimi-K2-Thinking

Long-term thinking, multi-step tool usage, complex problem solving.

Changes · 6 entries
moonshotai/Kimi-K2-Thinkingupdateca7a400Nov 2, 2026, 03:02 AM
parameters1058→1026
moonshotai/Kimi-K2-Thinkingupdatee3d7dedAug 31, 2026, 04:13 AM
parameters1058→1026
moonshotai/Kimi-K2-Thinkingupdate1cd659eMar 24, 2026, 04:19 AM
capabilitiesfine tuningyes
moonshotai/Kimi-K2-Thinkingupdateb301ebeMar 23, 2026, 11:47 PM
modalitiesinput["text"]output["text"]
moonshotai/Kimi-K2-Thinkingupdate2b100acMar 23, 2026, 05:30 AM
capabilitiestool callyes
familyKimi-K2
model_typechat
page_urlhttps://huggingface.co/moonshotai/Kimi-K2-Thinking
release_date2025-11-04
context_window262144
licenseother
parameters1058
architecturetransformer
open_weightyes
tools["function_calling"]
moonshotai/Kimi-K2-Thinkingcreate7f5c66fMar 21, 2026, 05:16 AM