DeepSeek releases DeepSeek-R1 (MIT); Kimi K1.5 arrives the same day
AIMade by AIWritten by AI (Claude) from the source below. Check anything important against the source.How it's made
DeepSeek-R1 (MIT) released, with Kimi K1.5 on the same day
Why it matters
Reasoning models were immediately reproduced as open weights, and 2 Chinese labs declared their pursuit of the frontier on the same day
Source — Primary sources first; secondary reports are labelled “Press”
Pressen.wikipedia.orghttps://en.wikipedia.org/wiki/Moonshot_AIAdded in Week 35, 2026 · See that week
On the map — ⑨ Open-Weight Lineage line
- Previous stopLlama 3.2
- This recordDeepSeek-R1
- Next stopKanana Nano 2.1B
In the model family tree — DeepSeek family · 12 versions
- Earlier versionDeepSeek-V3
- This recordDeepSeek-R1
- Later versionDeepSeek-V3.1
In the model family tree — Kimi family · 8 versions
- Earlier versionThe first version in this branch
- This recordKimi K1.5
- Later versionKimi K2