Lab release history
Last updated Oct 16, 2024
01.AI model releases
Kai-Fu Lee's lab behind the Yi family. This page collects the lab's model releases, lifecycle events, source links, and model metadata in one crawlable record.
4
Models
1
Labs
3
Open
4
Recent
4 models
Yi-Lightning
Available01.AIProprietary
01.AI's MoE API model that reached the global top-10 on Chatbot Arena, strong in Chinese, math, and coding.
Type
MoE
Params
Undisc.
Context
—
Top eval
—
Released
Oct 16, 2024
1.7y ago
MoEUndisc.— ctxOct 16, 2024
Yi-Coder-9B
Available01.AIOpen weights
01.AI's compact code model trained for repository-scale programming and code completion tasks.
Type
Dense
Params
9B
Context
128K
Top eval
—
Released
Sep 5, 2024
1.8y ago
Dense9B128K ctxSep 5, 2024
Yi-1.5-34B
Available01.AIOpen weights
Yi 1.5 update with stronger instruction following, coding, math, and multilingual performance.
Type
Dense
Params
34B
Context
4K
Top eval
—
Released
May 13, 2024
2.1y ago
Dense34B4K ctxMay 13, 2024
Yi-34B
Available01.AIOpen weights
01.AI's strong bilingual open model, with a 200k-context variant.
Type
Dense
Params
34B
Context
200K
Top eval
—
Released
Nov 6, 2023
2.6y ago
Dense34B200K ctxNov 6, 2023