Model Comparison

ERNIE 5.0 vs GPT-5.6 LunaWhich is better in 2026?

GPT-5.6 Luna significantly outperforms across most benchmarks.

Verdict: ERNIE 5.0 vs GPT-5.6 Luna — which is better?

ERNIE 5.0 (by Baidu) and GPT-5.6 Luna (by OpenAI) 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 GPT-5.6 Luna is better at 1 benchmark (GPQA). GPT-5.6 Luna significantly outperforms across most benchmarks.

Choose ERNIE 5.0 if…

  • you are already invested in the Baidu ecosystem

Choose GPT-5.6 Luna 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 GPT-5.6 Luna is better at 1 benchmark (GPQA).

GPT-5.6 Luna 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 GPT-5.6 Luna specifies input context (1,050,000 tokens). Only GPT-5.6 Luna specifies output context (128,000 tokens).

Baidu
ERNIE 5.0
Input- tokens
Output- tokens
OpenAI
GPT-5.6 Luna
Input1,050,000 tokens
Output128,000 tokens
Tue Jul 21 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both ERNIE 5.0 and GPT-5.6 Luna support multimodal inputs.

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

ERNIE 5.0

Text
Images
Audio
Video

GPT-5.6 Luna

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

GPT-5.6 Luna

Proprietary

Closed source

Release Timeline

When each model was launched

ERNIE 5.0 was released on 2026-01-22, while GPT-5.6 Luna was released on 2026-07-09.

GPT-5.6 Luna is 6 months newer than ERNIE 5.0.

ERNIE 5.0

Jan 22, 2026

6 months ago

GPT-5.6 Luna

Jul 9, 2026

1 weeks ago

5mo newer

Knowledge Cutoff

When training data ends

GPT-5.6 Luna has a documented knowledge cutoff of 2026-02-16, while ERNIE 5.0's cutoff date is not specified.

We can confirm GPT-5.6 Luna's training data extends to 2026-02-16, but cannot make a direct comparison without ERNIE 5.0's cutoff date.

ERNIE 5.0

GPT-5.6 Luna

Feb 2026

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

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

Larger context window (1,050,000 tokens)
Higher GPQA score (92.3% vs 85.0%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against ERNIE 5.0 and GPT-5.6 Luna side-by-side, then vote on the output you prefer.

ERNIE 5.0
✓ Preferred
GPT-5.6 Luna
Open in Playground
AI Model Comparison Table
Feature
Baidu
ERNIE 5.0
OpenAI
GPT-5.6 Luna

FAQ

Common questions about ERNIE 5.0 vs GPT-5.6 Luna.

Which is better, ERNIE 5.0 or GPT-5.6 Luna?

GPT-5.6 Luna significantly outperforms across most benchmarks. ERNIE 5.0 is made by Baidu and GPT-5.6 Luna is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does ERNIE 5.0 compare to GPT-5.6 Luna 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%. GPT-5.6 Luna scores Connectors: 99.9%, HealthBench Consensus: 95.1%, GPQA: 92.3%, Search and Function-Calling: 89.7%, Capture-the-Flag Challenges (Internal): 85.2%.

What are the context window sizes for ERNIE 5.0 and GPT-5.6 Luna?

ERNIE 5.0 supports an unknown number of tokens and GPT-5.6 Luna supports 1.1M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes ERNIE 5.0 and GPT-5.6 Luna?

ERNIE 5.0 is developed by Baidu and GPT-5.6 Luna is developed by OpenAI.