AI Index

ERNIE 5.1

Language Baidu Verified Released May 9, 2026
Model ID
Compare with… →
Context
128K
66K max output
Input price
¥4.00
per 1M tokens · Baidu Qianfan
Output price
¥18.00
per 1M tokens
Epoch Capabilities Index
—
Not listed
LMArena Text
1,468
#34 of 149 listed

Where to run it

1 offering · prices as listed
MeterTierPrice
Baidu Qianfan Official China · CNY ernie-5.1
InputStandard ¥0.004 / 1K tokens
Prompts over 32K tokens ¥0.006 / 1K tokens
OutputStandard ¥0.018 / 1K tokens
Prompts over 32K tokens ¥0.022 / 1K tokens

Changes

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Cited scores

From third-party leaderboards, not measured by us
  • LMArena Text 1,468

    #34 of 149 listed models · CI 1,463–1,472 · 39,396 votes

  • LMArena Text · Chinese 1,504

    #40 of 149 listed models · CI 1,491–1,518 · 2,091 votes

  • LMArena Text · Coding 1,512

    #42 of 149 listed models · CI 1,505–1,519 · 10,900 votes

  • LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Oct 2, 2026
  • changes we made