Model Comparison
o3 vs Qwen3 VL 8B InstructWhich is better in 2026?
o3 significantly outperforms across most benchmarks. Qwen3 VL 8B Instruct is 18.9x cheaper per token.
Verdict: o3 vs Qwen3 VL 8B Instruct — which is better?
o3 (by OpenAI) and Qwen3 VL 8B Instruct (by Alibaba Cloud / Qwen Team) 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.
o3 outperforms in 5 benchmarks (AIME 2025, CharXiv-R, ERQA, MMMU-Pro, VideoMMMU), while Qwen3 VL 8B Instruct is better at 0 benchmarks. o3 significantly outperforms across most benchmarks.
On price, Qwen3 VL 8B Instruct is roughly 18.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
o3 also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose o3 if…
- you want the strongest raw capability — it leads on 5 of 5 shared benchmarks
- you process long inputs — it offers a 200,000 token context window
Choose Qwen3 VL 8B Instruct if…
- cost matters — it's about 18.9x cheaper per token
- you want the most recent training data — it shipped Sep 2025
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
o3 outperforms in 5 benchmarks (AIME 2025, CharXiv-R, ERQA, MMMU-Pro, VideoMMMU), while Qwen3 VL 8B Instruct is better at 0 benchmarks.
o3 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, o3 ($2.00/1M tokens) is 25.0x more expensive than Qwen3 VL 8B Instruct ($0.08/1M tokens).
For output processing, o3 ($8.00/1M tokens) is 16.0x more expensive than Qwen3 VL 8B Instruct ($0.50/1M tokens).
In conclusion, o3 is more expensive than Qwen3 VL 8B Instruct.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
o3 accepts 200,000 input tokens compared to Qwen3 VL 8B Instruct's 131,072 tokens. o3 can generate longer responses up to 100,000 tokens, while Qwen3 VL 8B Instruct is limited to 32,768 tokens.
Input Capabilities
Supported data types and modalities
Both o3 and Qwen3 VL 8B Instruct support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
o3
Qwen3 VL 8B Instruct
License
Usage and distribution terms
o3 is licensed under a proprietary license, while Qwen3 VL 8B Instruct uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
o3 was released on 2025-04-16, while Qwen3 VL 8B Instruct was released on 2025-09-22.
Qwen3 VL 8B Instruct is 5 months newer than o3.
Apr 16, 2025
1.2 years ago
Sep 22, 2025
8 months ago
5mo newerKnowledge Cutoff
When training data ends
o3 has a documented knowledge cutoff of 2024-05-31, while Qwen3 VL 8B Instruct's cutoff date is not specified.
We can confirm o3's training data extends to 2024-05-31, but cannot make a direct comparison without Qwen3 VL 8B Instruct's cutoff date.
May 2024
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Provider Availability
o3 is available from OpenAI. Qwen3 VL 8B Instruct is available from Novita, DeepInfra.
o3
Qwen3 VL 8B Instruct
Outputs Comparison
Key Takeaways
o3
View detailsOpenAI
Qwen3 VL 8B Instruct
View detailsAlibaba Cloud / Qwen Team
o3
Qwen3 VL 8B InstructDetailed Comparison
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FAQ
Common questions about o3 vs Qwen3 VL 8B Instruct.