o1-pro vs Qwen3.8 Flash
Qwen3.8 Flash leads the LLM Stats Score 49.6 to 20.0.
OpenAI · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
Qwen3.8 Flash leads the overall LLM Stats Score 49.6 to 20.0, ranking #16 overall.
In the 1 individual benchmarks reported for both models, Qwen3.8 Flash wins 1; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose o1-pro
- you are already invested in the OpenAI ecosystem
Choose Qwen3.8 Flash
- overall performance matters — it scores 49.6 and ranks #16 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- you want the most recent training data — it shipped Aug 2026
At a glance
The differences that matter most.
Individual benchmarks
2 reported for o1-pro · 22 for Qwen3.8 Flash
o1-pro outperforms in 0 benchmarks, while Qwen3.8 Flash is better at 1 benchmark (GPQA).
Qwen3.8 Flash significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only Qwen3.8 Flash specifies input context (1,000,000 tokens). Only Qwen3.8 Flash specifies output context (131,072 tokens).
Input capabilities
Documented input modalities across available providers
Both o1-pro and Qwen3.8 Flash support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
o1-pro
Qwen3.8 Flash
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
o1-pro was released on 2024-12-17, while Qwen3.8 Flash was released on 2026-08-26.
Qwen3.8 Flash is 21 months newer than o1-pro.
Dec 17, 2024
1.7 years ago
Aug 26, 2026
6 days ago
1.7yr newerKnowledge Cutoff
When training data ends
o1-pro has a documented knowledge cutoff of 2023-09-30, while Qwen3.8 Flash'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 Qwen3.8 Flash's cutoff date.
Sep 2023
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Outputs Comparison
Judge for yourself.
Run your own prompts against o1-pro and Qwen3.8 Flash side-by-side, then vote on the output you prefer.
FAQ
Common questions about o1-pro vs Qwen3.8 Flash.