Independent

Koala 13B

Koala 13B is an open-weight model. It ranks #406 of 351 on the LMArena text leaderboard with a rating of 990.

LMArena text990+0 in 30 days
Rank#406/351
95% interval980–999
Votes7K
Developer
—
Released
May 8, 2023
Context window
—
Price in / out, per 1M tokens
—
Weights
Open · Non-commercial
Inputs
—
Reasoning
—
Tool use
—
Koala 13B, LMArena text rating over time
94096398510081030May 23Mar 24Jan 25Dec 25Oct 26
LatestKoala 13B 990

The rating LMArena published at each update since May 8, 2023. Ratings move as votes come in and new models join.

LMArena, by category

LeaderboardRatingRankVotes
TextLMArena990406 / 3517K
CodingLMArena945403 / 346747
MathLMArena932394 / 339751
Creative writingLMArena973403 / 3491.2K
Instruction followingLMArena944408 / 3511.9K
Hard promptsLMArena930408 / 3511.3K
Multi-turnLMArena923406 / 349792
Legal and governmentIndustries964387 / 325248
Medicine and healthcareIndustries956382 / 325253
Business and financeIndustries936401 / 344503
ChineseLanguages881390 / 328374

LMArena, CC BY 4.0, as of Oct 22, 2026. Where a model is rated at several effort levels, its best is shown.

Compare Koala 13B

Questions

How does Koala 13B rank?

#406 of 351 on LMArena’s text leaderboard, rated 990 (95% interval 980–999) from 6,965 votes, as of Oct 22, 2026.

Is Koala 13B open source?

Koala 13B has open weights under the Non-commercial license.

Sources

Every number on this page comes from these sources; models without a published number show none. Download the data. Cite as “Nexus Explorer, nexus.inc/models”.