Model Comparison

Gemini 3 Flash vs Nemotron 3 Ultra (550B A55B)Which is better in 2026?

Gemini 3 Flash significantly outperforms across most benchmarks.

Verdict: Gemini 3 Flash vs Nemotron 3 Ultra (550B A55B) — which is better?

Gemini 3 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 Flash outperforms in 4 benchmarks (Finance Agent v2, GPQA, Humanity's Last Exam, SWE-Bench Verified), while Nemotron 3 Ultra (550B A55B) is better at 0 benchmarks. Gemini 3 Flash significantly outperforms across most benchmarks.

Choose Gemini 3 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
Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Gemini 3 Flash outperforms in 4 benchmarks (Finance Agent v2, GPQA, Humanity's Last Exam, SWE-Bench Verified), while Nemotron 3 Ultra (550B A55B) is better at 0 benchmarks.

Gemini 3 Flash significantly outperforms across most benchmarks.

Wed Jun 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Gemini 3 Flash specifies input context (1,000,000 tokens). Only Gemini 3 Flash specifies output context (65,536 tokens).

Google
Gemini 3 Flash
Input1,000,000 tokens
Output65,536 tokens
NVIDIA
Nemotron 3 Ultra (550B A55B)
Input- tokens
Output- tokens
Wed Jun 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 3 Flash supports multimodal inputs, whereas Nemotron 3 Ultra (550B A55B) does not.

Gemini 3 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 3 Flash

Text
Images
Audio
Video

Nemotron 3 Ultra (550B A55B)

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 3 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.

Gemini 3 Flash

Proprietary

Closed source

Nemotron 3 Ultra (550B A55B)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

Gemini 3 Flash was released on 2025-12-17, while Nemotron 3 Ultra (550B A55B) was released on 2026-06-04.

Nemotron 3 Ultra (550B A55B) is 6 months newer than Gemini 3 Flash.

Gemini 3 Flash

Dec 17, 2025

6 months ago

Nemotron 3 Ultra (550B A55B)

Jun 4, 2026

1 weeks ago

5mo newer

Knowledge Cutoff

When training data ends

Gemini 3 Flash has a knowledge cutoff of 2025-01-31, while Nemotron 3 Ultra (550B A55B) has a cutoff of 2025-09-30.

Nemotron 3 Ultra (550B A55B) has more recent training data (up to 2025-09-30), making it potentially better informed about events through that date compared to Gemini 3 Flash (2025-01-31).

Gemini 3 Flash

Jan 2025

Nemotron 3 Ultra (550B A55B)

Sep 2025

8 mo newer

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google
Larger context window (1,000,000 tokens)
Supports multimodal inputs
Higher Finance Agent v2 score (42.5% vs 37.5%)
Higher GPQA score (90.4% vs 87.0%)
Higher Humanity's Last Exam score (43.5% vs 37.4%)
Higher SWE-Bench Verified score (78.0% vs 70.7%)
NVIDIA
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3 Flash
NVIDIA
Nemotron 3 Ultra (550B A55B)

FAQ

Common questions about Gemini 3 Flash vs Nemotron 3 Ultra (550B A55B).

Which is better, Gemini 3 Flash or Nemotron 3 Ultra (550B A55B)?

Gemini 3 Flash significantly outperforms across most benchmarks. Gemini 3 Flash is made by Google and Nemotron 3 Ultra (550B A55B) is made by NVIDIA. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemini 3 Flash compare to Nemotron 3 Ultra (550B A55B) in benchmarks?

Gemini 3 Flash scores Vending-Bench 2: 100.0%, AIME 2025: 99.7%, Global PIQA: 92.8%, MMMLU: 91.8%, GPQA: 90.4%. Nemotron 3 Ultra (550B A55B) scores RULER: 94.7%, IMO-AnswerBench: 92.3%, PinchBench: 90.0%, LiveCodeBench v6: 89.0%, GPQA: 87.0%.

What are the context window sizes for Gemini 3 Flash and Nemotron 3 Ultra (550B A55B)?

Gemini 3 Flash supports 1.0M tokens and Nemotron 3 Ultra (550B A55B) supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3 Flash and Nemotron 3 Ultra (550B A55B)?

Key differences include multimodal support (yes vs no), licensing (Proprietary vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3 Flash and Nemotron 3 Ultra (550B A55B)?

Gemini 3 Flash is developed by Google and Nemotron 3 Ultra (550B A55B) is developed by NVIDIA.

Related comparisons