Release dates
— Kimi K3 was announced at 2.8T parameters with native vision. ↗
Kimi K3
A 2.8T open MoE using KDA and Attention Residuals with native vision and a 1M context window.
The API defaults max_completion_tokens to 131,072; the documented completion-token budget can be raised to 1,048,576, which is not a promise of visible output in one response.
MODEL NUMBER034
- First public date
- 2026-07-16
- Organization
- Moonshot AI
- Family
- Kimi
01
Specifications
Only published specifications are shown.
02
Overview
Why it mattered
K3 pushed open-model scale toward 3T parameters while unifying agent, vision, and long-context capabilities.
PreviousKimi K21T · 128K ctx
CurrentKimi K32.8T · 1.05M ctx
04
Architecture & capabilities
Attention
Kimi Delta AttentionAttention Residuals
Model capabilities
Native visionLong-horizon agentCodingReasoning
05
Release history
Kimi K3 was announced at 2.8T parameters with native vision.
View source06
Related models
Select a card to view the related model.
07
Sources
01
Kimi K3: Open Frontier IntelligenceMoonshot AI · Published 2026-07-16
Official · Verified02Kimi K3 model cardMoonshot AI · Checked 2026-09-07
Official · Verified03Kimi K3 API quickstartMoonshot AI · Checked 2026-09-07
Official · Verified04Kimi K3 LicenseMoonshot AI · Checked 2026-09-07
Official · VerifiedSuggest a correction
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