ERNIE 5.5 Flash Preview vs o1-pro
ERNIE 5.5 Flash Preview leads the LLM Stats Score 52.3 to 19.1.
Baidu · OpenAI · Updated for 2026
Which is better?
ERNIE 5.5 Flash Preview leads the overall LLM Stats Score 52.3 to 19.1, ranking #13 overall.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose ERNIE 5.5 Flash Preview
- overall performance matters — it scores 52.3 and ranks #13 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you want the most recent training data — it shipped Nov 2026
Choose o1-pro
- you are already invested in the OpenAI ecosystem
At a glance
The differences that matter most.
Individual benchmarks
13 reported for ERNIE 5.5 Flash Preview · 2 for o1-pro
ERNIE 5.5 Flash Preview and o1-prodon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only ERNIE 5.5 Flash Preview specifies input context (1,048,576 tokens). Only ERNIE 5.5 Flash Preview specifies output context (1,048,576 tokens).
Input capabilities
Documented input modalities across available providers
o1-pro supports multimodal inputs, whereas ERNIE 5.5 Flash Preview does not.
o1-pro can handle both text and other forms of data like images, making it suitable for multimodal applications.
ERNIE 5.5 Flash Preview
o1-pro
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 5.5 Flash Preview was released on 2026-11-11, while o1-pro was released on 2024-12-17.
ERNIE 5.5 Flash Preview is 23 months newer than o1-pro.
Nov 11, 2026
1 days ago
1.9yr newerDec 17, 2024
1.9 years ago
Knowledge Cutoff
When training data ends
o1-pro has a documented knowledge cutoff of 2023-09-30, while ERNIE 5.5 Flash Preview's cutoff date is not specified.
We can confirm o1-pro's training data extends to 2023-09-30, but cannot make a direct comparison without ERNIE 5.5 Flash Preview's cutoff date.
—
Sep 2023
Outputs Comparison
Judge for yourself.
Run your own prompts against ERNIE 5.5 Flash Preview and o1-pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about ERNIE 5.5 Flash Preview vs o1-pro.