Model Comparison

ERNIE 5.0 vs Grok 4.5Which is better in 2026?

Grok 4.5 significantly outperforms across most benchmarks.

Verdict: ERNIE 5.0 vs Grok 4.5 — which is better?

ERNIE 5.0 (by Baidu) and Grok 4.5 (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 4.5 is better at 1 benchmark (GPQA). Grok 4.5 significantly outperforms across most benchmarks.

Choose ERNIE 5.0 if…

  • you are already invested in the Baidu ecosystem

Choose Grok 4.5 if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped Jul 2026

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

ERNIE 5.0 outperforms in 0 benchmarks, while Grok 4.5 is better at 1 benchmark (GPQA).

Grok 4.5 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 4.5 specifies input context (500,000 tokens).

Baidu
ERNIE 5.0
Input- tokens
Output- tokens
xAI
Grok 4.5
Input500,000 tokens
Output- tokens
Tue Jul 21 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both ERNIE 5.0 and Grok 4.5 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 4.5

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 4.5

Proprietary

Closed source

Release Timeline

When each model was launched

ERNIE 5.0 was released on 2026-01-22, while Grok 4.5 was released on 2026-07-16.

Grok 4.5 is 6 months newer than ERNIE 5.0.

ERNIE 5.0

Jan 22, 2026

6 months ago

Grok 4.5

Jul 16, 2026

5 days ago

5mo newer

Knowledge Cutoff

When training data ends

Grok 4.5 has a documented knowledge cutoff of 2026-02-01, while ERNIE 5.0's cutoff date is not specified.

We can confirm Grok 4.5's training data extends to 2026-02-01, but cannot make a direct comparison without ERNIE 5.0's cutoff date.

ERNIE 5.0

—

Grok 4.5

Feb 2026

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Baidu

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

xAI
Larger context window (500,000 tokens)
Higher GPQA score (93.0% vs 85.0%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against ERNIE 5.0 and Grok 4.5 side-by-side, then vote on the output you prefer.

ERNIE 5.0
✓ Preferred
Grok 4.5
Open in Playground
AI Model Comparison Table
Feature
Baidu
ERNIE 5.0
xAI
Grok 4.5

FAQ

Common questions about ERNIE 5.0 vs Grok 4.5.

Which is better, ERNIE 5.0 or Grok 4.5?

Grok 4.5 significantly outperforms across most benchmarks. ERNIE 5.0 is made by Baidu and Grok 4.5 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 4.5 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 4.5 scores GPQA: 93.0%, Terminal-Bench 2.1: 83.3%, Artificial Analysis Coding Agent Index v1.1: 76.0%, SWE-Bench Pro: 64.7%, AA-Omniscience Index: 63.0%.

What are the context window sizes for ERNIE 5.0 and Grok 4.5?

ERNIE 5.0 supports an unknown number of tokens and Grok 4.5 supports 500K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes ERNIE 5.0 and Grok 4.5?

ERNIE 5.0 is developed by Baidu and Grok 4.5 is developed by xAI.

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