LLM Releases

Model family timeline

Last updated Jun 18, 2026

Kimi K2 model releases

A source-backed timeline for the Kimi K2 model family, collecting release dates, labs, access details, context windows, and major lifecycle changes.

6
Models
1
Labs
6
Open
4
Recent

6 models

Kimi K2.7 Code

Available
Moonshot AIFrontierOpen weights

Moonshot's open coding-focused agentic model built on K2.6, with native vision/video input, forced thinking mode, and stronger long-horizon software-engineering performance.

MoE1T262K ctxJun 18, 2026

Kimi K2.6

Available
Moonshot AIFrontierOpen weights

Moonshot's open native multimodal agentic model for long-horizon coding, visual interface generation, and autonomous tool orchestration.

MoE1T256K ctxMar 30, 2026

Kimi K2.5

Available
Moonshot AIFrontierOpen weights

Open multimodal Kimi model that adds native visual agentic intelligence, instant and thinking modes, and agent-swarm workflows on top of the K2 base.

MoE1T256K ctxJan 27, 2026

Kimi K2 Thinking

Available
Moonshot AIFrontierOpen weights

Open K2 reasoning-agent variant that interleaves step-by-step thinking with tool calls and supports stable 200-300 step tool-use trajectories.

MoE1T256K ctxNov 6, 2025

Kimi K2 Instruct 0905

Available
Moonshot AIFrontierOpen weights

September 2025 K2 update with stronger agentic coding, better frontend generation, and a doubled 256K context window.

MoE1T256K ctxSep 5, 2025

Kimi K2 Instruct

Available
Moonshot AIFrontierOpen weights

Original open K2 post-trained model: a 1T-parameter MoE optimized for coding, reasoning, and tool-using agentic workflows.

MoE1T128K ctxJul 11, 2025