The AI arena is free today

Open Superagent

ERNIE 5.0 vs Grok-3

Both models are evenly matched across the benchmarks.

Baidu · xAI · Updated for 2026

Which is better?

ERNIE 5.0 outperforms in 1 benchmarks (GPQA), while Grok-3 is better at 1 benchmark (AIME 2025). Both models are evenly matched across the benchmarks.

Based on current benchmark, pricing, and model metadata for 2026.

Choose ERNIE 5.0

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

Choose Grok-3

  • you want predictable pricing at $3.00/M input and $15.00/M output

At a glance

The differences that matter most.

ERNIE 5.0
Baidu
Grok-3
xAI
Benchmark wins
1 of 2
1 of 2
Input price
— / M
$3.00 / M
Output price
— / M
$15.00 / M
Context window
—
128,000
Released
Jan 2026
Feb 2025
License
Proprietary
Proprietary

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

ERNIE 5.0 outperforms in 1 benchmarks (GPQA), while Grok-3 is better at 1 benchmark (AIME 2025).

Both models are evenly matched across the benchmarks.

Tue Aug 25 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Context Window

Maximum input and output token capacity

Only Grok-3 specifies input context (128,000 tokens). Only Grok-3 specifies output context (8,000 tokens).

Baidu
ERNIE 5.0
Input- tokens
Output- tokens
xAI
Grok-3
Input128,000 tokens
Output8,000 tokens
Tue Aug 25 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both ERNIE 5.0 and Grok-3 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-3

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-3

Proprietary

Closed source

Release Timeline

When each model was launched

ERNIE 5.0 was released on 2026-01-22, while Grok-3 was released on 2025-02-17.

ERNIE 5.0 is 11 months newer than Grok-3.

ERNIE 5.0

Jan 22, 2026

7 months ago

11mo newer
Grok-3

Feb 17, 2025

1.5 years ago

Knowledge Cutoff

When training data ends

Grok-3 has a documented knowledge cutoff of 2024-11-17, while ERNIE 5.0's cutoff date is not specified.

We can confirm Grok-3's training data extends to 2024-11-17, but cannot make a direct comparison without ERNIE 5.0's cutoff date.

ERNIE 5.0

—

Grok-3

Nov 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against ERNIE 5.0 and Grok-3 side-by-side, then vote on the output you prefer.

ERNIE 5.0
✓ Preferred
Grok-3
Open in Playground

FAQ

Common questions about ERNIE 5.0 vs Grok-3.

Which is better, ERNIE 5.0 or Grok-3?

Both models are evenly matched across the benchmarks. ERNIE 5.0 is made by Baidu and Grok-3 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-3 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-3 scores AIME 2024: 93.3%, AIME 2025: 93.3%, GPQA: 84.6%, LiveCodeBench: 79.4%, MMMU: 78.0%.

What are the context window sizes for ERNIE 5.0 and Grok-3?

ERNIE 5.0 supports an unknown number of tokens and Grok-3 supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes ERNIE 5.0 and Grok-3?

ERNIE 5.0 is developed by Baidu and Grok-3 is developed by xAI.

Related comparisons