Model Comparison
Gemini 3.5 Flash vs Nemotron 3 Ultra (550B A55B)Which is better in 2026?
Gemini 3.5 Flash significantly outperforms across most benchmarks.
Verdict: Gemini 3.5 Flash vs Nemotron 3 Ultra (550B A55B) — which is better?
Gemini 3.5 Flash (by Google) and Nemotron 3 Ultra (550B A55B) (by NVIDIA) 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.
Gemini 3.5 Flash outperforms in 4 benchmarks (Finance Agent, Finance Agent v2, GDPval-AA, Humanity's Last Exam), while Nemotron 3 Ultra (550B A55B) is better at 0 benchmarks. Gemini 3.5 Flash significantly outperforms across most benchmarks.
Choose Gemini 3.5 Flash if…
- you want the strongest raw capability — it leads on 4 of 4 shared benchmarks
Choose Nemotron 3 Ultra (550B A55B) if…
- you want the most recent training data — it shipped Jun 2026
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 3.5 Flash outperforms in 4 benchmarks (Finance Agent, Finance Agent v2, GDPval-AA, Humanity's Last Exam), while Nemotron 3 Ultra (550B A55B) is better at 0 benchmarks.
Gemini 3.5 Flash significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Context Window
Maximum input and output token capacity
Only Gemini 3.5 Flash specifies input context (1,048,576 tokens). Only Gemini 3.5 Flash specifies output context (65,536 tokens).
Input Capabilities
Supported data types and modalities
Gemini 3.5 Flash supports multimodal inputs, whereas Nemotron 3 Ultra (550B A55B) does not.
Gemini 3.5 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.
Gemini 3.5 Flash
Nemotron 3 Ultra (550B A55B)
License
Usage and distribution terms
Gemini 3.5 Flash is licensed under a proprietary license, while Nemotron 3 Ultra (550B A55B) uses OpenMDW License v1.1.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
OpenMDW License v1.1
Open weights
Release Timeline
When each model was launched
Gemini 3.5 Flash was released on 2026-05-19, while Nemotron 3 Ultra (550B A55B) was released on 2026-06-04.
Nemotron 3 Ultra (550B A55B) is 1 month newer than Gemini 3.5 Flash.
May 19, 2026
1 months ago
Jun 4, 2026
1 months ago
2w newerKnowledge Cutoff
When training data ends
Gemini 3.5 Flash has a knowledge cutoff of 2026-01-31, while Nemotron 3 Ultra (550B A55B) has a cutoff of 2025-09-30.
Gemini 3.5 Flash has more recent training data (up to 2026-01-31), making it potentially better informed about events through that date compared to Nemotron 3 Ultra (550B A55B) (2025-09-30).
Jan 2026
4 mo newerSep 2025
Outputs Comparison
Key Takeaways
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Gemini 3.5 Flash and Nemotron 3 Ultra (550B A55B) side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Gemini 3.5 Flash vs Nemotron 3 Ultra (550B A55B).