Language

ERNIE 5.1

By Baidu, in the ERNIE family.

Released
8 May 2026
Status
Current
Context
—
Max output
—
Input per 1M tokens
—
Output per 1M tokens
—
Open weights
No
License
proprietary
Parameters
—
Knowledge cutoff
—
Reasoning
Yes
Modalities
text → text

Category scores

Out of 100, from independent and third-party results only, by method category-2026-09-29.1.

Category scores
CategoryScoreRankCoverage
Human preference41.5Not ranked2 of 5

Benchmark results

Every result we hold for this model, with who ran it and where it was published.

Human preference

Human preference results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
Search Arena (arena.ai)Arena score (Elo scale)1193Independent—24 Aug 2026Arena
Search Arena (arena.ai)Votes3788Independent—24 Aug 2026Arena
Text Arena (arena.ai)Arena score (Elo scale)1468Independent—25 Sep 2026Arena
Text Arena (arena.ai)Votes39423Independent—25 Sep 2026Arena

Other ERNIE versions

Sources