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AI Atlas
Family

Yi

All 3 models in the terminal →

first seen 11 Sept 2026

family_01M2A55VARNFH5SDH0RPEMKB2C

Models
3
First release
23 Dec 2023
Latest release
23 Dec 2023
Parameters
34.4B
Artifacts
0
Providers
0

Releases

Family releases by statusActiveOct 25Nov 25Dec 25Jan 26Feb 26Mar 26Apr 26May 26Jun 26Jul 26Aug 26Sept 26Nous-Hermes-2-Yi-34B — 23 Dec 2023

1 dated releases · dot size = best benchmark rank of the member · 2 members without a sourced release date not shown

Members 3

Family members
ModelParamsContextOpennessLicenceReleasedStatusBest rankCompare
Nous-Hermes-2-Yi-34BNous Research34.4B—Open weightsApache-2.023 Dec 2023Active—
Yi-34B01-ai——Open weights——Active—
yi-lightning—————Active#45 Aider polyglot — well-

Lineage among members 1 relations

Open in Graph →
Lineage of the Yi familyNous-Hermes-2-Yi-34B fine-tuned from Yi-34BNous-Hermes-2-Yi-34B34.4BNous-Hermes-2-Yi-34BYi-34BYi-34B

Benchmark progress

Benchmark progress needs at least two dated members with a rank on the same benchmark. Ranks (not scores) are what the family endpoint provides.

Aggregates are computed from the members' sourced claims; members without a release date or parameter count are left out of the range and timeline rather than guessed. Methodology →