ERNIE 4.5 vs GPT-5.1 Thinking Comparison
Comparing ERNIE 4.5 and GPT-5.1 Thinking across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
ERNIE 4.5 outperforms in 0 benchmarks, while GPT-5.1 Thinking is better at 1 benchmark (GPQA).
GPT-5.1 Thinking significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, ERNIE 4.5 ($0.40/1M tokens) is 3.1x cheaper than GPT-5.1 Thinking ($1.25/1M tokens).
For output processing, ERNIE 4.5 ($4.00/1M tokens) is 2.5x cheaper than GPT-5.1 Thinking ($10.00/1M tokens).
In conclusion, GPT-5.1 Thinking is more expensive than ERNIE 4.5.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-5.1 Thinking accepts 400,000 input tokens compared to ERNIE 4.5's 128,000 tokens. GPT-5.1 Thinking can generate longer responses up to 128,000 tokens, while ERNIE 4.5 is limited to 65,536 tokens.
Input Capabilities
Supported data types and modalities
GPT-5.1 Thinking supports multimodal inputs, whereas ERNIE 4.5 does not.
GPT-5.1 Thinking can handle both text and other forms of data like images, making it suitable for multimodal applications.
ERNIE 4.5
GPT-5.1 Thinking
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
ERNIE 4.5 was released on 2025-06-25, while GPT-5.1 Thinking was released on 2025-11-12.
GPT-5.1 Thinking is 5 months newer than ERNIE 4.5.
Jun 25, 2025
8 months ago
Nov 12, 2025
4 months ago
4mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
ERNIE 4.5 is available from Novita. GPT-5.1 Thinking is available from OpenAI. The availability of providers can affect quality of the model and reliability.
ERNIE 4.5
GPT-5.1 Thinking
Outputs Comparison
Key Takeaways
Detailed Comparison
| Feature | | |
|---|