Model Comparison

ERNIE 5.0 vs Grok-4Which is better in 2026?

Grok-4 significantly outperforms across most benchmarks.

Verdict: ERNIE 5.0 vs Grok-4 — which is better?

ERNIE 5.0 (by Baidu) and Grok-4 (by xAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

ERNIE 5.0 outperforms in 0 benchmarks, while Grok-4 is better at 3 benchmarks (AIME 2025, GPQA, Humanity's Last Exam). Grok-4 significantly outperforms across most benchmarks.

Choose ERNIE 5.0 if…

  • you want the most recent training data — it shipped Jan 2026

Choose Grok-4 if…

  • you want the strongest raw capability — it leads on 3 of 3 shared benchmarks

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

ERNIE 5.0 outperforms in 0 benchmarks, while Grok-4 is better at 3 benchmarks (AIME 2025, GPQA, Humanity's Last Exam).

Grok-4 significantly outperforms across most benchmarks.

Tue Jul 21 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Grok-4 specifies input context (256,000 tokens). Only Grok-4 specifies output context (8,000 tokens).

Baidu
ERNIE 5.0
Input- tokens
Output- tokens
xAI
Grok-4
Input256,000 tokens
Output8,000 tokens
Tue Jul 21 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both ERNIE 5.0 and Grok-4 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

ERNIE 5.0

Text
Images
Audio
Video

Grok-4

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

ERNIE 5.0

Proprietary

Closed source

Grok-4

Proprietary

Closed source

Release Timeline

When each model was launched

ERNIE 5.0 was released on 2026-01-22, while Grok-4 was released on 2025-07-09.

ERNIE 5.0 is 7 months newer than Grok-4.

ERNIE 5.0

Jan 22, 2026

6 months ago

6mo newer
Grok-4

Jul 9, 2025

1.0 years ago

Knowledge Cutoff

When training data ends

Grok-4 has a documented knowledge cutoff of 2024-12-31, while ERNIE 5.0's cutoff date is not specified.

We can confirm Grok-4's training data extends to 2024-12-31, but cannot make a direct comparison without ERNIE 5.0's cutoff date.

ERNIE 5.0

—

Grok-4

Dec 2024

Outputs Comparison

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Key Takeaways

Baidu

No standout differentiators in the data we have for this pair.

xAI
Larger context window (256,000 tokens)
Higher AIME 2025 score (91.7% vs 87.0%)
Higher GPQA score (87.5% vs 85.0%)
Higher Humanity's Last Exam score (40.0% vs 39.0%)
BaiduERNIE 5.0
xAIGrok-4
Compare in Playground

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against ERNIE 5.0 and Grok-4 side-by-side, then vote on the output you prefer.

ERNIE 5.0
✓ Preferred
Grok-4
Open in Playground
AI Model Comparison Table
Feature
Baidu
ERNIE 5.0
xAI
Grok-4

FAQ

Common questions about ERNIE 5.0 vs Grok-4.

Which is better, ERNIE 5.0 or Grok-4?

Grok-4 significantly outperforms across most benchmarks. ERNIE 5.0 is made by Baidu and Grok-4 is made by xAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does ERNIE 5.0 compare to Grok-4 in benchmarks?

ERNIE 5.0 scores AIME 2025: 87.0%, MMLU-Pro: 87.0%, GPQA: 85.0%, SimpleQA: 75.0%, Humanity's Last Exam: 39.0%. Grok-4 scores AIME 2025: 91.7%, HMMT25: 90.0%, GPQA: 87.5%, LiveCodeBench: 79.0%, Humanity's Last Exam: 40.0%.

What are the context window sizes for ERNIE 5.0 and Grok-4?

ERNIE 5.0 supports an unknown number of tokens and Grok-4 supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes ERNIE 5.0 and Grok-4?

ERNIE 5.0 is developed by Baidu and Grok-4 is developed by xAI.

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