Independent

FastChat-T5 3B

FastChat-T5 3B is an open-weight model. It ranks #415 of 351 on the LMArena text leaderboard with a rating of 894.

LMArena text894+0 in 30 days
Rank#415/351
95% interval882–907
Votes4.2K
Developer
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Released
May 8, 2023
Context window
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Price in / out, per 1M tokens
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Weights
Open · Apache 2.0
Inputs
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Reasoning
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Tool use
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FastChat-T5 3B, LMArena text rating over time
840860880900920May 23Mar 24Jan 25Dec 25Oct 26
LatestFastChat-T5 3B 894

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
TextLMArena894415 / 3514.2K
CodingLMArena764412 / 346428
MathLMArena862402 / 339462
Creative writingLMArena902412 / 349744
Instruction followingLMArena858415 / 3511.1K
Hard promptsLMArena814416 / 351797
Multi-turnLMArena853413 / 349387
Legal and governmentIndustries899390 / 325184
Business and financeIndustries868405 / 344287
ChineseLanguages719394 / 328224

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

Compare FastChat-T5 3B

Questions

How does FastChat-T5 3B rank?

#415 of 351 on LMArena’s text leaderboard, rated 894 (95% interval 882–907) from 4,203 votes, as of Oct 22, 2026.

Is FastChat-T5 3B open source?

FastChat-T5 3B has open weights under the Apache 2.0 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”.