BA
Baidu
Language model · China ·May 2026

ERNIE 5.1

Language Proprietary
1
Benchmarks

About ERNIE 5.1

ERNIE 5.1 is an AI model developed by Baidu, in the language category, released in 2026, made available as a proprietary (API-only) model. Baidu's successor to ERNIE 5.0, achieving leading foundational performance at its model scale while using only about 6% .

On this page you'll find ERNIE 5.1's full specifications, including 1 benchmark result. Review provider pricing and benchmark scores below, or compare ERNIE 5.1 head-to-head with other language models.

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ERNIE 5.1 benchmark scores
Benchmark Category Score Variant
AIME 2026 math 99.6%

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Frequently asked questions

What is ERNIE 5.1?

Baidu's successor to ERNIE 5.0, achieving leading foundational performance at its model scale while using only about 6% It is tracked on GenAIList with its specifications, benchmark scores and provider pricing.

Who created ERNIE 5.1?

ERNIE 5.1 was developed by Baidu and released in 2026.

Is ERNIE 5.1 open source or proprietary?

ERNIE 5.1 is a proprietary model. It is accessed through an API rather than by downloading the weights.

How much does ERNIE 5.1 cost?

Pricing for ERNIE 5.1 depends on the provider. See the providers table on this page for the latest API rates.

How does ERNIE 5.1 perform on benchmarks?

ERNIE 5.1 is benchmarked across 1 evaluation on GenAIList, including AIME 2026 (99.6%). See the full benchmark table below and compare it with other models.

Baidu's ERNIE 5.1 Beats DeepSeek V4 Pro and Gemini 3.1 pro Agents
Ernie 5.1 First Look & Test
China's #1 AI Model is INSANE — ERNIE 5.1 Tested

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