Model Comparison
DeepSeek VL2 vs o3Which is better in 2026?
o3 significantly outperforms across most benchmarks.
Verdict: DeepSeek VL2 vs o3 — which is better?
DeepSeek VL2 (by DeepSeek) and o3 (by OpenAI) 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.
DeepSeek VL2 outperforms in 0 benchmarks, while o3 is better at 2 benchmarks (MathVista, MMMU). o3 significantly outperforms across most benchmarks.
o3 also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose DeepSeek VL2 if…
- you need open weights you can self-host or fine-tune
Choose o3 if…
- you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
- you process long inputs — it offers a 200,000 token context window
- you want the most recent training data — it shipped Apr 2025
Performance Benchmarks
Comparative analysis across standard metrics
DeepSeek VL2 outperforms in 0 benchmarks, while o3 is better at 2 benchmarks (MathVista, MMMU).
o3 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Context Window
Maximum input and output token capacity
o3 accepts 200,000 input tokens compared to DeepSeek VL2's 129,280 tokens. DeepSeek VL2 can generate longer responses up to 129,280 tokens, while o3 is limited to 100,000 tokens.
Input Capabilities
Supported data types and modalities
Both DeepSeek VL2 and o3 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
DeepSeek VL2
o3
License
Usage and distribution terms
DeepSeek VL2 is licensed under deepseek, while o3 uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
deepseek
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
DeepSeek VL2 was released on 2024-12-13, while o3 was released on 2025-04-16.
o3 is 4 months newer than DeepSeek VL2.
Dec 13, 2024
1.6 years ago
Apr 16, 2025
1.2 years ago
4mo newerKnowledge Cutoff
When training data ends
o3 has a documented knowledge cutoff of 2024-05-31, while DeepSeek VL2'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 DeepSeek VL2's cutoff date.
—
May 2024
Provider Availability
DeepSeek VL2 is available from Replicate. o3 is available from OpenAI.
DeepSeek VL2
o3
Outputs Comparison
Key Takeaways
DeepSeek VL2
View detailsDeepSeek
o3
View detailsOpenAI
DeepSeek VL2o3Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against DeepSeek VL2 and o3 side-by-side, then vote on the output you prefer.
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FAQ
Common questions about DeepSeek VL2 vs o3.