Kimi K4
Kimi K4 is an unannounced successor to Kimi K3. Moonshot AI has not confirmed its existence, specifications, pricing or release date.
Last updated
Unannounced
Key facts
At a glance
- Context window
- Not published
- Parameters
- Not published
- Released
- Not published
- Output / 1M
- Not published
Notes
What the spec sheet leaves out
- As of 2026-08-06, Moonshot AI has made no announcement of a model named Kimi K4.
- Every figure on this page is null by design. Nothing about K4 is treated as known until Moonshot publishes it.
FAQ
Kimi K4 questions
What is Kimi K4?
Kimi K4 is an unannounced successor to Kimi K3. Moonshot AI has not confirmed its existence, specifications, pricing or release date.
Is Kimi K4 open source?
Moonshot AI has not published open weights for Kimi K4. It is available through the hosted API only.
Sources
Where these figures come from
Every specification and price on this page is transcribed from Moonshot AI’s own documentation and re-checked on the date shown. Nothing is estimated.