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Model comparison

Gemini 3.8 Flash vs NVIDIA Nemotron 3 Ultra

Compare Gemini 3.8 Flash and NVIDIA Nemotron 3 Ultra using the same provider-sourced text & reasoning rubric. No mystery score and no invented benchmark ranking.

Facts checked September 4, 2026

Estimate your cost

Set your usage. Your estimate updates as you type.

Example: 6,000 input tokens for 10 pages, plus a 500-token summary. Page lengths vary; adjust the numbers below.

One run sends your input to the model once and receives an answer. Tokens are pieces of text: input is what you send, output is the answer you receive.

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How this estimate works

Estimates exclude taxes, tools, cache storage/writes, free allowances and custom discounts. Image estimates cover output only, not prompt or reference-image charges. Quality modes differ by model. Unlisted settings are not treated as free.

Estimate your cost
ModelEstimated total (USD)
Gemini 3.8 FlashGoogle$0.0064
NVIDIA Nemotron 3 UltraNVIDIANo reviewed rate

Quick take

Gemini 3.8 Flash

Google's stable, high-efficiency multimodal model for agents, software work, and large mixed-media inputs at an introductory Flash-tier price.

Best for

  • High-volume multimodal agents
  • Long video, audio, PDF, and code inputs
  • Teams optimizing capability per token cost

Watch out for

Free and paid Gemini services have materially different data-use terms. Verify billing status and regional availability for the exact project.

NVIDIA Nemotron 3 Ultra

NVIDIA's largest Nemotron 3 reasoning model for complex agents, coding, planning, tools, RAG, and million-token analysis.

Best for

  • Complex long-running agents
  • Large-context reasoning and RAG
  • Organizations deploying on NVIDIA infrastructure

Watch out for

Self-hosting Ultra is a substantial hardware project. Size the real context cache, concurrency, precision, and availability requirements before treating open weights as the cheaper route.

Compare the published facts

Gemini 3.8 Flash vs NVIDIA Nemotron 3 Ultra

Values use each provider's own published units and limits. A blank means the provider did not publish a directly comparable value in the sources reviewed.

Text & reasoningGemini 3.8 FlashNVIDIA Nemotron 3 Ultra
Context windowMaximum combined prompt and working context documented by the provider.1,048,576 tokensUp to 1M tokens
Maximum outputProvider-published response limit, where available.65,536 tokensNot separately published
Knowledge cutoffLatest reliable knowledge date explicitly published by the model provider. Search and connected tools can retrieve newer information but do not change the model's built-in cutoff.March 2026; some domains may lag to January 2025Pretraining through Sep 2025; post-training through May 2026
Input priceCurrent standard list price per million input tokens unless noted.$0.75 / 1M promoFree prototype or deployment cost
Output priceCurrent standard list price per million output tokens unless noted.$3.75 / 1M promoFree prototype or deployment cost
InputsMedia types accepted by the listed model endpoint.Text, image, video, audio, PDFText
Tools & agentsSelected native tools and agent-building capabilities, not an exhaustive list.Functions, search, code execution, file searchTool calling, agents, configurable reasoning budget

How to choose

Compare the job, not the hype.

Start with the job you need to complete, then validate cost, access, and policy details on your exact provider route.

Gemini 3.8 Flash

Google says paid Gemini API prompts and responses are not used to improve its products. Unpaid-service content generally may be used, with different treatment for EEA, UK, and Swiss users; check the current terms for your account and region.

NVIDIA Nemotron 3 Ultra

Downloaded weights can run in infrastructure the operator controls. NVIDIA's hosted prototype and partner endpoints are governed by their own trial, logging, retention, and deployment terms.

Frequently asked questions

Gemini 3.8 Flash vs NVIDIA Nemotron 3 Ultra FAQ

What is the main difference between Gemini 3.8 Flash and NVIDIA Nemotron 3 Ultra?

Gemini 3.8 Flash: Google's stable, high-efficiency multimodal model for agents, software work, and large mixed-media inputs at an introductory Flash-tier price. NVIDIA Nemotron 3 Ultra: NVIDIA's largest Nemotron 3 reasoning model for complex agents, coding, planning, tools, RAG, and million-token analysis.

Should I choose Gemini 3.8 Flash or NVIDIA Nemotron 3 Ultra?

Consider Gemini 3.8 Flash when your priority is High-volume multimodal agents. Consider NVIDIA Nemotron 3 Ultra when your priority is Complex long-running agents. Test both with your own data and provider route before committing.

Is this Gemini 3.8 Flash vs NVIDIA Nemotron 3 Ultra comparison based on Cody benchmarks?

No. This comparison aligns provider-published facts for the Text & reasoning category. It does not claim a universal winner or combine incompatible third-party benchmark scores.