Model Comparison
ERNIE 4.5 vs Phi 4 Reasoning PlusWhich is better in 2026?
Phi 4 Reasoning Plus shows notably better performance in the majority of benchmarks.
Verdict: ERNIE 4.5 vs Phi 4 Reasoning Plus — which is better?
ERNIE 4.5 (by Baidu) and Phi 4 Reasoning Plus (by Microsoft) 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 4.5 outperforms in 1 benchmarks (GPQA), while Phi 4 Reasoning Plus is better at 2 benchmarks (HumanEval+, MMLU-Pro). Phi 4 Reasoning Plus shows notably better performance in the majority of benchmarks.
Choose ERNIE 4.5 if…
- you want the most recent training data — it shipped Jun 2025
Choose Phi 4 Reasoning Plus if…
- you want the strongest raw capability — it leads on 2 of 3 shared benchmarks
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
ERNIE 4.5 outperforms in 1 benchmarks (GPQA), while Phi 4 Reasoning Plus is better at 2 benchmarks (HumanEval+, MMLU-Pro).
Phi 4 Reasoning Plus shows notably better performance in the majority of benchmarks.
Arena Performance
Human preference votes
Model Size
Parameter count comparison
ERNIE 4.5 has 7.0B more parameters than Phi 4 Reasoning Plus, making it 50.0% larger.
Context Window
Maximum input and output token capacity
Only ERNIE 4.5 specifies input context (128,000 tokens). Only ERNIE 4.5 specifies output context (65,536 tokens).
License
Usage and distribution terms
ERNIE 4.5 is licensed under a proprietary license, while Phi 4 Reasoning Plus uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT
Open weights
Release Timeline
When each model was launched
ERNIE 4.5 was released on 2025-06-25, while Phi 4 Reasoning Plus was released on 2025-04-30.
ERNIE 4.5 is 2 months newer than Phi 4 Reasoning Plus.
Jun 25, 2025
1.1 years ago
1mo newerApr 30, 2025
1.2 years ago
Knowledge Cutoff
When training data ends
Phi 4 Reasoning Plus has a documented knowledge cutoff of 2025-03-01, while ERNIE 4.5's cutoff date is not specified.
We can confirm Phi 4 Reasoning Plus's training data extends to 2025-03-01, but cannot make a direct comparison without ERNIE 4.5's cutoff date.
—
Mar 2025
Outputs Comparison
Key Takeaways
Phi 4 Reasoning Plus
View detailsMicrosoft
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against ERNIE 4.5 and Phi 4 Reasoning Plus side-by-side, then vote on the output you prefer.
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FAQ
Common questions about ERNIE 4.5 vs Phi 4 Reasoning Plus.