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Gemini 3.8 Flash Cyber vs Nemotron 3 Ultra (550B A55B)

Gemini 3.8 Flash Cyber leads the LLM Stats Score 40.3 to 36.3.

Google · NVIDIA · Updated for 2026

Which is better?

Gemini 3.8 Flash Cyber leads the overall LLM Stats Score 40.3 to 36.3, ranking #55 overall.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Gemini 3.8 Flash Cyber

  • overall performance matters — it scores 40.3 and ranks #55 on LLM Stats
  • your work emphasizes coding and agents — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

Choose Nemotron 3 Ultra (550B A55B)

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Gemini 3.8 Flash Cyber
Google
Nemotron 3 Ultra (550B A55B)
NVIDIA
Core performance indexes
LLM Stats Score
40.3
#55
36.3
#79
Coding
33.1
#36
21.0
#93
Agents
29.8
#35
12.5
#101
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.50 / M
Output price
— / M
$2.20 / M
Context window
—
262,144

Individual benchmarks

4 reported for Gemini 3.8 Flash Cyber · 26 for Nemotron 3 Ultra (550B A55B)

No common benchmarks found

Gemini 3.8 Flash Cyber and Nemotron 3 Ultra (550B A55B)don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Nemotron 3 Ultra (550B A55B) specifies input context (262,144 tokens). Only Nemotron 3 Ultra (550B A55B) specifies output context (262,144 tokens).

Google
Gemini 3.8 Flash Cyber
Input- tokens
Output- tokens
NVIDIA
Nemotron 3 Ultra (550B A55B)
Input262,144 tokens
Output262,144 tokens
Sun Sep 20 2026 • llm-stats.com

License

Usage and distribution terms

Gemini 3.8 Flash Cyber 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 3.8 Flash Cyber

Proprietary

Closed source

Nemotron 3 Ultra (550B A55B)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

Gemini 3.8 Flash Cyber was released on 2026-09-02, while Nemotron 3 Ultra (550B A55B) was released on 2026-06-04.

Gemini 3.8 Flash Cyber is 3 months newer than Nemotron 3 Ultra (550B A55B).

Gemini 3.8 Flash Cyber

Sep 2, 2026

2 weeks ago

3mo newer
Nemotron 3 Ultra (550B A55B)

Jun 4, 2026

3 months ago

Knowledge Cutoff

When training data ends

Nemotron 3 Ultra (550B A55B) has a documented knowledge cutoff of 2025-09-30, while Gemini 3.8 Flash Cyber's cutoff date is not specified.

We can confirm Nemotron 3 Ultra (550B A55B)'s training data extends to 2025-09-30, but cannot make a direct comparison without Gemini 3.8 Flash Cyber's cutoff date.

Gemini 3.8 Flash Cyber

—

Nemotron 3 Ultra (550B A55B)

Sep 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Gemini 3.8 Flash Cyber and Nemotron 3 Ultra (550B A55B) side-by-side, then vote on the output you prefer.

Gemini 3.8 Flash Cyber
✓ Preferred
Nemotron 3 Ultra (550B A55B)
Open in Playground

FAQ

Common questions about Gemini 3.8 Flash Cyber vs Nemotron 3 Ultra (550B A55B).

Which is better, Gemini 3.8 Flash Cyber or Nemotron 3 Ultra (550B A55B)?

Gemini 3.8 Flash Cyber leads the LLM Stats Score 40.3 to 36.3. Gemini 3.8 Flash Cyber is made by Google and Nemotron 3 Ultra (550B A55B) is made by NVIDIA. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 3.8 Flash Cyber compare to Nemotron 3 Ultra (550B A55B) in benchmarks?

Gemini 3.8 Flash Cyber scores Gray Swan IPI Benchmark: 94.0%, CyberGym: 86.2%, Google Real-world Vulnerability Discovery: 71.0%, CWE-Bench: 47.2%. 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 3.8 Flash Cyber and Nemotron 3 Ultra (550B A55B)?

Gemini 3.8 Flash Cyber supports an unknown number of tokens and Nemotron 3 Ultra (550B A55B) supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3.8 Flash Cyber and Nemotron 3 Ultra (550B A55B)?

Key differences include LLM Stats Score (40.3 vs 36.3), licensing (Proprietary vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3.8 Flash Cyber and Nemotron 3 Ultra (550B A55B)?

Gemini 3.8 Flash Cyber is developed by Google and Nemotron 3 Ultra (550B A55B) is developed by NVIDIA.

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