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

Gemini 3.8 Flash leads the LLM Stats Score 50.5 to 36.3. Nemotron 3 Ultra (550B A55B) is 1.6x cheaper per token.

Google · NVIDIA · Updated for 2026

Which is better?

Gemini 3.8 Flash leads the overall LLM Stats Score 50.5 to 36.3, ranking #17 overall.

In the 1 individual benchmarks reported for both models, Gemini 3.8 Flash wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, Nemotron 3 Ultra (550B A55B) is roughly 1.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 3.8 Flash also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose Gemini 3.8 Flash

  • overall performance matters — it scores 50.5 and ranks #17 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose Nemotron 3 Ultra (550B A55B)

  • cost matters — it's about 1.6x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Gemini 3.8 Flash
Google
Nemotron 3 Ultra (550B A55B)
NVIDIA
Core performance indexes
LLM Stats Score
50.5
#17
36.3
#79
Reasoning
46.9
#25
35.4
#82
Coding
38.6
#15
21.0
#93
Agents
35.6
#18
12.5
#101
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$0.75 / M
$0.50 / M
Output price
$3.75 / M
$2.20 / M
Context window
1,048,576
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Gemini 3.8 Flash
Nemotron 3 Ultra (550B A55B)
Tool use
27.0#25
2.8#166
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

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

1 shared

Gemini 3.8 Flash outperforms in 1 benchmarks (Terminal-Bench 2.1), while Nemotron 3 Ultra (550B A55B) is better at 0 benchmarks.

Gemini 3.8 Flash significantly outperforms across most benchmarks.

Sun Sep 20 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Nemotron 3 Ultra (550B A55B) costs less

For input processing, Gemini 3.8 Flash ($0.75/1M tokens) is 1.5x more expensive than Nemotron 3 Ultra (550B A55B) ($0.50/1M tokens).

For output processing, Gemini 3.8 Flash ($3.75/1M tokens) is 1.7x more expensive than Nemotron 3 Ultra (550B A55B) ($2.20/1M tokens).

In conclusion, Gemini 3.8 Flash is more expensive than Nemotron 3 Ultra (550B A55B).*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sun Sep 20 2026 • llm-stats.com
Google
Gemini 3.8 Flash
Input tokens$0.75
Output tokens$3.75
Best providerGoogle
NVIDIA
Nemotron 3 Ultra (550B A55B)
Input tokens$0.50
Output tokens$2.20
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 3.8 Flash accepts 1,048,576 input tokens compared to Nemotron 3 Ultra (550B A55B)'s 262,144 tokens. Nemotron 3 Ultra (550B A55B) can generate longer responses up to 262,144 tokens, while Gemini 3.8 Flash is limited to 65,536 tokens.

Google
Gemini 3.8 Flash
Input1,048,576 tokens
Output65,536 tokens
NVIDIA
Nemotron 3 Ultra (550B A55B)
Input262,144 tokens
Output262,144 tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Gemini 3.8 Flash supports multimodal inputs, whereas Nemotron 3 Ultra (550B A55B) does not.

Gemini 3.8 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 3.8 Flash

Text
Images
Audio
Video

Nemotron 3 Ultra (550B A55B)

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 3.8 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 3.8 Flash

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

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

Gemini 3.8 Flash

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

Gemini 3.8 Flash has a knowledge cutoff of 2026-03-31, while Nemotron 3 Ultra (550B A55B) has a cutoff of 2025-09-30.

Gemini 3.8 Flash has more recent training data (up to 2026-03-31), making it potentially better informed about events through that date compared to Nemotron 3 Ultra (550B A55B) (2025-09-30).

Gemini 3.8 Flash

Mar 2026

6 mo newer
Nemotron 3 Ultra (550B A55B)

Sep 2025

Provider Availability

Gemini 3.8 Flash is available from Google. Nemotron 3 Ultra (550B A55B) is available from DeepInfra.

Gemini 3.8 Flash

google logo
Google
Input Price:Input: $0.75/1MOutput Price:Output: $3.75/1M

Nemotron 3 Ultra (550B A55B)

deepinfra logo
Deepinfra
Input Price:Input: $0.50/1MOutput Price:Output: $2.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

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

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

FAQ

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

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

Gemini 3.8 Flash leads the LLM Stats Score 50.5 to 36.3. Gemini 3.8 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 capability indexes, individual benchmarks, pricing, and limits above.

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

Gemini 3.8 Flash scores Terminal-Bench 2.1: 89.4%, LVBench: 87.1%, CharXiv-R: 86.2%, LABBench2: 86.2%, DeepSWE 1.1: 73.7%. Nemotron 3 Ultra (550B A55B) scores RULER: 94.7%, IMO-AnswerBench: 92.3%, PinchBench: 90.0%, LiveCodeBench v6: 89.0%, GPQA: 87.0%.

Is Gemini 3.8 Flash cheaper than Nemotron 3 Ultra (550B A55B)?

Nemotron 3 Ultra (550B A55B) is 1.5x cheaper for input tokens. Gemini 3.8 Flash costs $0.75/M input and $3.75/M output via google. Nemotron 3 Ultra (550B A55B) costs $0.50/M input and $2.20/M output via deepinfra.

What are the context window sizes for Gemini 3.8 Flash and Nemotron 3 Ultra (550B A55B)?

Gemini 3.8 Flash supports 1.0M 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 and Nemotron 3 Ultra (550B A55B)?

Key differences include LLM Stats Score (50.5 vs 36.3), context window (1.0M vs 262K), input pricing ($0.75 vs $0.50/M), 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 3.8 Flash and Nemotron 3 Ultra (550B A55B)?

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

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